{"id":64103,"date":"2024-03-18T08:47:40","date_gmt":"2024-03-18T01:47:40","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=64103"},"modified":"2025-08-01T14:27:29","modified_gmt":"2025-08-01T07:27:29","slug":"nosql-la-gi","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/nosql-la-gi\/","title":{"rendered":"NoSQL l\u00e0 g\u00ec? V\u00ec sao g\u1ecdi NoSQL l\u00e0 b\u01b0\u1edbc ti\u1ebfn m\u1edbi trong qu\u1ea3n l\u00fd d\u1eef li\u1ec7u?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung b\u00e0i vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/itviec.com\/blog\/nosql-la-gi\/#NoSQL_la_gi\" >NoSQL l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/itviec.com\/blog\/nosql-la-gi\/#NoSQL_hoat_dong_nhu_the_nao\" >NoSQL ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/itviec.com\/blog\/nosql-la-gi\/#So_sanh_co_ban_giua_NoSQL_va_SQL\" >So s\u00e1nh c\u01a1 b\u1ea3n gi\u1eefa NoSQL v\u00e0 SQL<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/itviec.com\/blog\/nosql-la-gi\/#Cac_loai_co_so_du_lieu_NoSQL\" >C\u00e1c lo\u1ea1i c\u01a1 s\u1edf d\u1eef li\u1ec7u NoSQL<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/itviec.com\/blog\/nosql-la-gi\/#Top_cong_cu_co_so_du_lieu_NoSQL_pho_bien_2024\" >Top c\u00f4ng c\u1ee5 c\u01a1 s\u1edf d\u1eef li\u1ec7u NoSQL ph\u1ed5 bi\u1ebfn 2024<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/itviec.com\/blog\/nosql-la-gi\/#Mot_so_cach_truy_van_trong_NoSQL\" >M\u1ed9t s\u1ed1 c\u00e1ch truy v\u1ea5n trong NoSQL<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/itviec.com\/blog\/nosql-la-gi\/#Uu_diem_va_han_che_cua_NoSQL_la_gi\" >\u01afu \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a NoSQL l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/itviec.com\/blog\/nosql-la-gi\/#Cac_cau_hoi_ve_NoSQL_la_gi_thuong_gap\" >C\u00e1c c\u00e2u h\u1ecfi v\u1ec1 NoSQL l\u00e0 g\u00ec th\u01b0\u1eddng g\u1eb7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/itviec.com\/blog\/nosql-la-gi\/#Tong_ket_NoSQL_la_gi\" >T\u1ed5ng k\u1ebft NoSQL l\u00e0 g\u00ec?<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><em><strong>NoSQL l\u00e0 g\u00ec? Trong b\u00e0i vi\u1ebft n\u00e0y b\u1ea1n s\u1ebd hi\u1ec3u \u0111\u01b0\u1ee3c v\u1ec1 b\u1ea3n ch\u1ea5t c\u1ee7a NoSQL, t\u01b0\u01a1ng quan gi\u1eefa NoSQL v\u00e0 SQL, c\u00e1c \u1ee9ng d\u1ee5ng c\u0169ng nh\u01b0 m\u1eb7t h\u1ea1n ch\u1ebf c\u1ee7a NoSQL v\u1edbi c\u00e1c use case trong th\u1ef1c t\u1ebf.&nbsp;<\/strong><\/em><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ecdc b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">NoSQL l\u00e0 g\u00ec?<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">S\u1ef1 kh\u00e1c nhau gi\u1eefa NoSQL v\u00e0 SQL<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">C\u00e1c c\u00f4ng c\u1ee5 c\u01a1 s\u1edf d\u1eef li\u1ec7u NoSQL ph\u1ed5 bi\u1ebfn<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a NoSQL<\/span><\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Tham kh\u1ea3o <a href=\"https:\/\/itviec.com\/viec-lam-it\/nosql?utm_medium=anchor_text_high&amp;utm_source=blog&amp;utm_campaign=viec_lam_noqsl&amp;utm_content=nosql_la_gi\"><strong>vi\u1ec7c l\u00e0m NoSQL<\/strong><\/a> to\u00e0n qu\u1ed1c<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-nosql-la-gi\"><span class=\"ez-toc-section\" id=\"NoSQL_la_gi\"><\/span><b>NoSQL l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">NoSQL \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 \u201cnot only SQL\u201d hay \u201cnon-SQL\u201d. T\u00ean g\u1ecdi NoSQL ban \u0111\u1ea7u d\u00f9ng \u0111\u1ec3 ch\u1ec9 vi\u1ec7c SQL kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m giao di\u1ec7n <a href=\"https:\/\/itviec.com\/blog\/api-la-gi\/\" target=\"_blank\" rel=\"noopener\">API<\/a> \u0111\u1ec3 truy c\u1eadp d\u1eef li\u1ec7u. Tuy nhi\u00ean, s\u1ef1 ph\u1ed5 bi\u1ebfn v\u00e0 t\u00ednh h\u1eefu \u00edch c\u1ee7a SQL \u0111\u00e3 khi\u1ebfn nhi\u1ec1u c\u01a1 s\u1edf d\u1eef li\u1ec7u NoSQL b\u1ed5 sung th\u00eam c\u00e1c t\u00ednh n\u0103ng h\u1ed7 tr\u1ee3 SQL. Cho \u0111\u1ebfn ng\u00e0y nay, c\u00e1ch hi\u1ec3u NoSQL l\u00e0 \u201cNot only SQL\u201d tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn h\u01a1n c\u1ea3.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a NoSQL bao g\u1ed3m m\u00f4 h\u00ecnh d\u1eef li\u1ec7u linh ho\u1ea1t, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng chi\u1ec1u ngang \u0111\u1ec3 x\u1eed l\u00fd l\u01b0\u1ee3ng d\u1eef li\u1ec7u ng\u00e0y c\u00e0ng t\u0103ng v\u00e0 t\u00ednh ch\u1ea5t ph\u00e2n t\u00e1n &#8211; d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c sao ch\u00e9p v\u00e0 l\u01b0u tr\u1eef tr\u00ean nhi\u1ec1u server, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tr\u1ef1c quan v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a d\u1eef li\u1ec7u khi c\u00f3 s\u1ef1 c\u1ed1 x\u1ea3y ra.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong th\u1eddi \u0111\u1ea1i ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd c\u1ee7a cloud, big data, c\u00e1c \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng v\u00e0 web, NoSQL th\u1ec3 hi\u1ec7n vai tr\u00f2 kh\u00f4ng th\u1ec3 thi\u1ebfu v\u1edbi kh\u1ea3 n\u0103ng qu\u1ea3n l\u00fd kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn \u1edf t\u1ed1c \u0111\u1ed9 cao v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng nhanh ch\u00f3ng, tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn trong h\u1ea7u h\u1ebft c\u00e1c ng\u00e0nh hi\u1ec7n nay v\u1edbi t\u00ednh hi\u1ec7u qu\u1ea3 v\u00e0 d\u1ec5 d\u00e0ng s\u1eed d\u1ee5ng c\u1ee7a n\u00f3.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-nosql-ho\u1ea1t-d\u1ed9ng-nh\u01b0-th\u1ebf-nao\"><span class=\"ez-toc-section\" id=\"NoSQL_hoat_dong_nhu_the_nao\"><\/span><strong>NoSQL ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">NoSQL l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd d\u1eef li\u1ec7u cho ph\u00e9p l\u01b0u tr\u1eef v\u00e0 truy v\u1ea5n d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch linh ho\u1ea1t, v\u01b0\u1ee3t ra ngo\u00e0i khu\u00f4n kh\u1ed5 c\u1ea5u tr\u00fac truy\u1ec1n th\u1ed1ng c\u1ee7a c\u00e1c c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7 (Relational Database Management System &#8211; RDBMS).<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh c\u1ee7a NoSQL so v\u1edbi RDBMS l\u00e0 c\u00e1ch th\u1ee9c l\u01b0u tr\u1eef d\u1eef li\u1ec7u.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">NoSQL kh\u00f4ng y\u00eau c\u1ea7u schema v\u00e0 s\u1eed d\u1ee5ng c\u00e1c m\u00f4 h\u00ecnh d\u1eef li\u1ec7u linh ho\u1ea1t (v\u00ed d\u1ee5 nh\u01b0 t\u00e0i li\u1ec7u JSON), cho ph\u00e9p qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3 c\u00e1c b\u1ed9 d\u1eef li\u1ec7u l\u1edbn v\u00e0 phi c\u1ea5u tr\u00fac.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-so-sanh-c\u01a1-b\u1ea3n-gi\u1eefa-nosql-va-sql\"><span class=\"ez-toc-section\" id=\"So_sanh_co_ban_giua_NoSQL_va_SQL\"><\/span><b>So s\u00e1nh c\u01a1 b\u1ea3n gi\u1eefa NoSQL v\u00e0 SQL<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\n<p style=\"text-align: left;\"><strong>\u0110\u1eb7c \u0111i\u1ec3m<\/strong><\/p>\n<\/td><td><strong>SQL<\/strong><\/td><td><strong>NoSQL<\/strong><\/td><\/tr><tr><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">Ng\u00f4n ng\u1eef truy v\u1ea5n<\/span><\/p>\n<\/td><td><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng SQL (Structured Query Language)<\/span><\/td><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">Kh\u00f4ng s\u1eed d\u1ee5ng SQL; s\u1eed d\u1ee5ng ng\u00f4n ng\u1eef truy v\u1ea5n linh ho\u1ea1t t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i c\u01a1 s\u1edf d\u1eef li\u1ec7u (VD: <a href=\"https:\/\/itviec.com\/blog\/mongodb-la-gi\/\" target=\"_blank\" rel=\"noopener\">MongoDB<\/a> s\u1eed d\u1ee5ng ng\u00f4n ng\u1eef truy v\u1ea5n c\u00f3 c\u00fa ph\u00e1p t\u01b0\u01a1ng t\u1ef1 v\u1edbi <a href=\"https:\/\/itviec.com\/blog\/javascript-la-gi\/\" target=\"_blank\" rel=\"noopener\">JavaScript<\/a>)<\/span><\/p>\n<\/td><\/tr><tr><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">C\u1ea5u tr\u00fac d\u1eef li\u1ec7u<\/span><\/p>\n<\/td><td><span style=\"font-weight: 400;\">D\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac, d\u1ef1a tr\u00ean m\u00f4 h\u00ecnh b\u1ea3ng v\u00e0 quan h\u1ec7<\/span><\/td><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 \u1edf d\u1ea1ng c\u1ea5u tr\u00fac, b\u00e1n c\u1ea5u tr\u00fac, phi c\u1ea5u tr\u00fac, \u0111a h\u00ecnh\u2026<\/span><\/p>\n<\/td><\/tr><tr><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">Quy M\u00f4 (Scaling)<\/span><\/p>\n<\/td><td><span style=\"font-weight: 400;\">Chi\u1ec1u D\u1ecdc (Vertical Scaling): T\u0103ng c\u01b0\u1eddng t\u00e0i nguy\u00ean tr\u00ean m\u1ed9t m\u00e1y ch\u1ee7 duy nh\u1ea5t<\/span><\/td><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">Chi\u1ec1u Ngang (Horizontal Scaling): M\u1edf r\u1ed9ng b\u1eb1ng c\u00e1ch th\u00eam nhi\u1ec1u m\u00e1y ch\u1ee7, chia nh\u1ecf c\u00f4ng vi\u1ec7c v\u00e0 d\u1eef li\u1ec7u gi\u1eefa ch\u00fang<\/span><\/p>\n<\/td><\/tr><tr><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">Kh\u1ea3 N\u0103ng M\u1edf R\u1ed9ng (Scalability)<\/span><\/p>\n<\/td><td><span style=\"font-weight: 400;\">Vertical Scaling gi\u1edbi h\u1ea1n b\u1edfi kh\u1ea3 n\u0103ng t\u0103ng c\u01b0\u1eddng t\u00e0i nguy\u00ean tr\u00ean m\u1ed9t m\u00e1y ch\u1ee7.<\/span><\/td><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">Horizontal Scaling linh ho\u1ea1t h\u01a1n v\u00ec c\u00f3 th\u1ec3 th\u00eam m\u00e1y ch\u1ee7 \u0111\u1ec3 chia s\u1ebb c\u00f4ng vi\u1ec7c v\u00e0 d\u1eef li\u1ec7u, \u0111\u00e1p \u1ee9ng nhanh ch\u00f3ng v\u1edbi s\u1ef1 gia t\u0103ng<\/span><\/p>\n<\/td><\/tr><tr><td><span style=\"font-weight: 400;\">\u1ee8ng D\u1ee5ng Ph\u1ed5 Bi\u1ebfn<\/span><\/td><td><span style=\"font-weight: 400;\">Th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 d\u1eef li\u1ec7u c\u00f3 quan h\u1ec7, v\u00ed d\u1ee5: h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u truy\u1ec1n th\u1ed1ng.<\/span><\/td><td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">L\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 y\u00eau c\u1ea7u linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cao, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c \u1ee9ng d\u1ee5ng web c\u00f3 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng l\u1edbn ho\u1eb7c d\u1eef li\u1ec7u kh\u00f4ng c\u00f3 c\u1ea5u tr\u00fac.<\/span><\/p>\n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/sql-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>Truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec? T\u1ea5t t\u1ea7n t\u1eadt v\u1ec1 ng\u00f4n ng\u1eef SQL<\/strong><\/a><\/em><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cac-lo\u1ea1i-c\u01a1-s\u1edf-d\u1eef-li\u1ec7u-nosql\"><span class=\"ez-toc-section\" id=\"Cac_loai_co_so_du_lieu_NoSQL\"><\/span><b>C\u00e1c lo\u1ea1i c\u01a1 s\u1edf d\u1eef li\u1ec7u NoSQL<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">NoSQL kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u01a1n l\u1ebb m\u00e0 l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c lo\u1ea1i c\u01a1 s\u1edf d\u1eef li\u1ec7u kh\u00e1c nhau, m\u1ed7i lo\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ed5 ch\u1ee9c d\u1eef li\u1ec7u theo c\u00e1c c\u00e1ch \u0111\u1eb7c bi\u1ec7t. S\u1ef1 \u0111a d\u1ea1ng n\u00e0y gi\u00fap NoSQL linh ho\u1ea1t v\u00e0 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nhi\u1ec1u m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i c\u01a1 s\u1edf d\u1eef li\u1ec7u NoSQL ph\u1ed5 bi\u1ebfn:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Document Database: <\/b><span style=\"font-weight: 400;\">L\u01b0u tr\u1eef d\u1eef li\u1ec7u d\u01b0\u1edbi d\u1ea1ng t\u00e0i li\u1ec7u, th\u01b0\u1eddng s\u1eed d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng JSON ho\u1eb7c BSON. \u0110\u00e2y l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn linh ho\u1ea1t cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac thay \u0111\u1ed5i nh\u01b0 blog, b\u00e0i vi\u1ebft, v\u00e0 th\u00f4ng tin c\u00e1 nh\u00e2n. M\u1ed9t v\u00e0i c\u01a1 s\u1edf d\u1eef li\u1ec7u Document l\u00e0 Amazon Simple DB, Couch DB, MongoDB&#8230;<\/span><\/li>\n\n\n\n<li><b>Key-Value Database: <\/b><span style=\"font-weight: 400;\">D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c th\u00e0nh c\u00e1c c\u1eb7p kh\u00f3a-gi\u00e1 tr\u1ecb, v\u1edbi m\u1ed7i gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi m\u1ed9t kh\u00f3a. Th\u00edch h\u1ee3p cho vi\u1ec7c l\u01b0u tr\u1eef v\u00e0 truy xu\u1ea5t d\u1eef li\u1ec7u \u0111\u01a1n gi\u1ea3n nh\u01b0 cache, phi\u00ean l\u00e0m vi\u1ec7c, v\u00e0 qu\u1ea3n l\u00fd phi\u00ean \u0111\u0103ng nh\u1eadp\u2026 M\u1ed9t v\u00e0i v\u00ed d\u1ee5 v\u1ec1 c\u01a1 s\u1edf d\u1eef li\u1ec7u Key-value l\u00e0 Redis, Dynamo, Riak\u2026<\/span><\/li>\n\n\n\n<li><b>Wide-Column Database: <\/b><span style=\"font-weight: 400;\">D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c th\u00e0nh c\u00e1c c\u1ed9t thay v\u00ec c\u00e1c h\u00e0ng, t\u1ea1o ra c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng ngang t\u1ed1t. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi x\u1eed l\u00fd l\u1edbn nh\u01b0 h\u1ec7 th\u1ed1ng ph\u00e2n t\u00edch v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u d\u00f2ng th\u1eddi gian. M\u1ed9t v\u00e0i c\u01a1 s\u1edf d\u1eef li\u1ec7u Wide-Column l\u00e0 HBase, Cassandra, Hypertable&#8230;<\/span><\/li>\n\n\n\n<li><b>Graph Database: <\/b><span style=\"font-weight: 400;\">D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n d\u01b0\u1edbi d\u1ea1ng \u0111\u1ed3 th\u1ecb v\u1edbi c\u00e1c \u0111\u1ec9nh v\u00e0 c\u1ea1nh. Ph\u00f9 h\u1ee3p cho vi\u1ec7c x\u1eed l\u00fd d\u1eef li\u1ec7u li\u00ean k\u1ebft nh\u01b0 m\u1ea1ng x\u00e3 h\u1ed9i, qu\u1ea3n l\u00fd quan h\u1ec7, v\u00e0 ph\u00e2n t\u00edch m\u1ed1i quan h\u1ec7\u2026 M\u1ed9t v\u00e0i v\u00ed d\u1ee5 v\u1ec1 c\u01a1 s\u1edf d\u1eef li\u1ec7u Graph l\u00e0 Neo4j, OrientDB, FlockDB&#8230;<\/span><\/li>\n\n\n\n<li><b>In-memory Database<\/b><span style=\"font-weight: 400;\">: L\u00e0 lo\u1ea1i c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u01b0u tr\u1eef to\u00e0n b\u1ed9 d\u1eef li\u1ec7u trong b\u1ed9 nh\u1edb thay v\u00ec tr\u00ean \u1ed5 \u0111\u0129a, gi\u00fap cho vi\u1ec7c truy c\u1eadp d\u1eef li\u1ec7u nhanh h\u01a1n, ti\u1ec7n h\u01a1n so v\u1edbi vi\u1ec7c truy xu\u1ea5t d\u1eef li\u1ec7u t\u1eeb \u1ed5 \u0111\u0129a th\u00f4ng th\u01b0\u1eddng. Tuy nhi\u00ean, h\u1ea1n ch\u1ebf l\u00e0 nguy c\u01a1 m\u1ea5t d\u1eef li\u1ec7u cao trong tr\u01b0\u1eddng h\u1ee3p g\u1eb7p s\u1ef1 c\u1ed1 m\u00e1y ch\u1ee7 v\u00ec d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u1edf n\u01a1i kh\u00e1c. M\u1ed9t v\u00ed d\u1ee5 v\u1ec1 c\u01a1 s\u1edf d\u1eef li\u1ec7u In-memory l\u00e0 IBM solidDB, Hazelcast,&#8230;<\/span><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-top-cong-c\u1ee5-c\u01a1-s\u1edf-d\u1eef-li\u1ec7u-nosql-ph\u1ed5-bi\u1ebfn-2024\"><span class=\"ez-toc-section\" id=\"Top_cong_cu_co_so_du_lieu_NoSQL_pho_bien_2024\"><\/span><b>Top c\u00f4ng c\u1ee5 c\u01a1 s\u1edf d\u1eef li\u1ec7u NoSQL ph\u1ed5 bi\u1ebfn 2024<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-mongodb\"><a href=\"https:\/\/www.mongodb.com\" target=\"_blank\" rel=\"noopener\"><b>MongoDB<\/b><\/a><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2356\" height=\"1178\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-mongodb-vippro.png\" alt=\"nosql l\u00e0 g\u00ec - mongodb\" class=\"wp-image-64610\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-mongodb-vippro.png 2356w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-mongodb-vippro-300x150.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-mongodb-vippro-1600x800.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-mongodb-vippro-200x100.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-mongodb-vippro-100x50.png 100w\" sizes=\"auto, (max-width: 2356px) 100vw, 2356px\" \/><\/figure>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>MongoDB<\/strong><\/span><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u NoSQL h\u01b0\u1edbng t\u00e0i li\u1ec7u ph\u1ed5 bi\u1ebfn.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">MongoDB l\u01b0u tr\u1eef d\u1eef li\u1ec7u d\u01b0\u1edbi d\u1ea1ng c\u00e1c t\u00e0i li\u1ec7u JSON, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng l\u01b0u tr\u1eef c\u01a1 s\u1edf d\u1eef li\u1ec7u tr\u00ean nhi\u1ec1u b\u1ed9 x\u1eed l\u00fd kh\u00e1c nhau v\u00e0 duy tr\u00ec hi\u1ec7u su\u1ea5t t\u1ed1c \u0111\u1ed9 cao. MongoDB cung c\u1ea5p nhi\u1ec1u t\u00ednh n\u0103ng nh\u01b0 indexing, t\u1ed5ng h\u1ee3p th\u1eddi gian th\u1ef1c v\u00e0 b\u1ea3o m\u1eadt t\u01b0\u1eddng l\u1eeda, SSL, v\u00e0 m\u00e3 h\u00f3a \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho d\u1eef li\u1ec7u.<\/span><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Xem th\u00eam: <strong><a href=\"https:\/\/itviec.com\/blog\/mongodb-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">MongoDB l\u00e0 g\u00ec? \u0110\u1ecbnh ngh\u0129a v\u00e0 Hi\u1ec3u r\u00f5 A-Z v\u1ec1 MongoDB<\/a><\/strong><\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-azure-cosmos-db\"><a href=\"https:\/\/azure.microsoft.com\/en-us\/products\/cosmos-db\/#overview\" target=\"_blank\" rel=\"noopener\"><b>Azure Cosmos DB<\/b><\/a><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2556\" height=\"802\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-azure-cosmos-db-vippro.png\" alt=\"nosql l\u00e0 g\u00ec - azure cosmos db\" class=\"wp-image-64609\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-azure-cosmos-db-vippro.png 2556w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-azure-cosmos-db-vippro-300x94.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-azure-cosmos-db-vippro-1600x502.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-azure-cosmos-db-vippro-200x63.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-azure-cosmos-db-vippro-100x31.png 100w\" sizes=\"auto, (max-width: 2556px) 100vw, 2556px\" \/><\/figure>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>Azure Cosmos DB<\/strong><\/span><span style=\"font-weight: 400;\"> l\u00e0 d\u1ecbch v\u1ee5 c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u00e1m m\u00e2y \u0111a m\u00f4 h\u00ecnh c\u1ee7a Microsoft.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u1edbi kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng linh ho\u1ea1t v\u00e0 h\u1ed7 tr\u1ee3 nhi\u1ec1u m\u00f4 h\u00ecnh d\u1eef li\u1ec7u nh\u01b0 Document, Graph v\u00e0 Key-value. Azure Cosmos DB l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi s\u1ef1 linh ho\u1ea1t v\u00e0 hi\u1ec7u su\u1ea5t cao.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-couchbase-server\"><a href=\"https:\/\/www.couchbase.com\" target=\"_blank\" rel=\"noopener\"><b>Couchbase Server<\/b><\/a><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2544\" height=\"1046\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-couchbase-server-vippro.png\" alt=\"nosql l\u00e0 g\u00ec - couchbase server\" class=\"wp-image-64608\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-couchbase-server-vippro.png 2544w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-couchbase-server-vippro-300x123.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-couchbase-server-vippro-1600x658.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-couchbase-server-vippro-200x82.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-couchbase-server-vippro-100x41.png 100w\" sizes=\"auto, (max-width: 2544px) 100vw, 2544px\" \/><\/figure>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>Couchbase Server<\/strong><\/span><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u NoSQL linh ho\u1ea1t, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed1i t\u01b0\u1ee3ng \u1ee9ng d\u1ee5ng.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, n\u00f3 n\u1ed5i b\u1eadt v\u1edbi kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3 trong v\u00e0 gi\u1eefa c\u00e1c m\u00e1y ch\u1ee7 v\u00e0 c\u1ee5m m\u00e1y ch\u1ee7 kh\u00e1c nhau. \u0110i\u1ec1u n\u00e0y k\u1ebft h\u1ee3p v\u1edbi vi\u1ec7c h\u1ed7 tr\u1ee3 th\u01b0 vi\u1ec7n kh\u00e1ch \u0111a ng\u00f4n ng\u1eef gi\u00fap Couchbase Server tr\u1edf th\u00e0nh m\u1ed9t gi\u1ea3i ph\u00e1p linh ho\u1ea1t v\u00e0 d\u1ec5 t\u00edch h\u1ee3p cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-apache-cassandra\"><a href=\"https:\/\/cassandra.apache.org\/_\/index.html\" target=\"_blank\" rel=\"noopener\"><b>Apache Cassandra<\/b><\/a><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2292\" height=\"982\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-apache-cassandra-vippro.png\" alt=\"nosql l\u00e0 g\u00ec - apache cassandra\" class=\"wp-image-64607\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-apache-cassandra-vippro.png 2292w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-apache-cassandra-vippro-300x129.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-apache-cassandra-vippro-1600x686.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-apache-cassandra-vippro-200x86.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-apache-cassandra-vippro-100x43.png 100w\" sizes=\"auto, (max-width: 2292px) 100vw, 2292px\" \/><\/figure>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>Apache Cassandra<\/strong><\/span><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u NoSQL m\u00e3 ngu\u1ed3n m\u1edf n\u1ed5i ti\u1ebfng v\u1edbi kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cao m\u00e0 kh\u00f4ng gi\u1ea3m hi\u1ec7u su\u1ea5t.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho nhu c\u1ea7u b\u1ea3o m\u1eadt v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng mu\u1ed1n g\u1eb7p r\u1ee7i ro m\u1ea5t d\u1eef li\u1ec7u khi ngu\u1ed3n kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng. V\u1edbi c\u00e1c t\u00ednh n\u0103ng nh\u01b0 \u0111\u1ed9 tin c\u1eady cao, kh\u1ea3 n\u0103ng thay th\u1ebf nhanh ch\u00f3ng c\u00e1c node v\u00e0 sao ch\u00e9p d\u1eef li\u1ec7u tr\u00ean nhi\u1ec1u node, Apache Cassandra \u0111\u1ea3m b\u1ea3o qu\u1ea3n l\u00fd d\u1eef li\u1ec7u ph\u00e2n t\u00e1n m\u1ea1nh m\u1ebd v\u00e0 ng\u0103n l\u1ed7i.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-neo4j\"><a href=\"https:\/\/neo4j.com\" target=\"_blank\" rel=\"noopener\"><b>Neo4j<\/b><\/a><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2542\" height=\"1374\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-neo4j-vippro.png\" alt=\"nosql l\u00e0 g\u00ec - neo4j\" class=\"wp-image-64606\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-neo4j-vippro.png 2542w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-neo4j-vippro-300x162.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-neo4j-vippro-1600x865.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-neo4j-vippro-200x108.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-neo4j-vippro-100x54.png 100w\" sizes=\"auto, (max-width: 2542px) 100vw, 2542px\" \/><\/figure>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>Neo4j<\/strong><\/span><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u NoSQL h\u01b0\u1edbng \u0111\u1ed3 th\u1ecb v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u d\u01b0\u1edbi d\u1ea1ng graph ho\u1eb7c model.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u1edbi t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd nhanh v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng \u1ea5n t\u01b0\u1ee3ng, Neo4j l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c t\u00ecnh hu\u1ed1ng x\u1eed l\u00fd d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p. \u0110\u1ed3ng th\u1eddi, Neo4j h\u1ed7 tr\u1ee3 linh ho\u1ea1t tr\u00ean nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng \u0111\u00e1m m\u00e2y v\u00e0 nhi\u1ec1u ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh nh\u01b0 Java, JavaScript, PHP, Python, Ruby, Scala,&#8230;<\/span><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/ruby-on-rails-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>Ruby on Rails l\u00e0 g\u00ec? 17 t\u00e0i li\u1ec7u h\u1ecdc Ruby on Rails m\u1edbi nh\u1ea5t<\/strong><\/a><\/em><\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-ravendb\"><a href=\"https:\/\/ravendb.net\" target=\"_blank\" rel=\"noopener\"><b>RavenDB<\/b><\/a><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2542\" height=\"1278\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-ravendb-vippro.png\" alt=\"nosql l\u00e0 g\u00ec - ravendb\" class=\"wp-image-64605\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-ravendb-vippro.png 2542w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-ravendb-vippro-300x151.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-ravendb-vippro-1600x804.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-ravendb-vippro-200x101.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/nosql-la-gi-ravendb-vippro-100x50.png 100w\" sizes=\"auto, (max-width: 2542px) 100vw, 2542px\" \/><\/figure>\n\n\n\n<p><span style=\"font-weight: 400;\"><strong>RavenDB<\/strong><\/span><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u NoSQL h\u01b0\u1edbng t\u00e0i li\u1ec7u cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng thay \u0111\u1ed5i c\u1ea5u tr\u00fac d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ecbnh ngh\u0129a tr\u01b0\u1edbc c\u00e1c schema.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u1edbi t\u00ednh n\u0103ng \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u giao d\u1ecbch tr\u00ean c\u1ee5m (cluster), RavenDB li\u00ean t\u1ee5c t\u1ea1o ra c\u00e1c node m\u1edbi v\u00e0 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cao.<\/span><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Xem th\u00eam\u00a0<strong><a href=\"https:\/\/itviec.com\/viec-lam-it\/data?utm_medium=anchor_text_mid&amp;utm_source=blog&amp;utm_campaign=viec_lam_data&amp;utm_content=nosql_la_gi\" target=\"_blank\" rel=\"noreferrer noopener\">vi\u1ec7c l\u00e0m Data<\/a><\/strong>\u00a0to\u00e0n qu\u1ed1c<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-m\u1ed9t-s\u1ed1-cach-truy-v\u1ea5n-trong-nosql\"><span class=\"ez-toc-section\" id=\"Mot_so_cach_truy_van_trong_NoSQL\"><\/span><b>M\u1ed9t s\u1ed1 c\u00e1ch truy v\u1ea5n trong NoSQL<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Gi\u1ea3 s\u1eed ch\u00fang ta s\u1eed d\u1ee5ng MongoDB v\u00e0 c\u00f3 m\u1ed9t t\u1eadp d\u1eef li\u1ec7u v\u1ec1 h\u1ecdc sinh trong l\u1edbp 10A1:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">{ <\/span>\n\n<span style=\"font-weight: 400;\">\"class\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"10A1\"<\/span><span style=\"font-weight: 400;\">,&nbsp;<\/span>\n\n<span style=\"font-weight: 400;\">\"students\"<\/span><span style=\"font-weight: 400;\">: &#91;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;{<\/span><span style=\"font-weight: 400;\">\"name\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"Nguyen Van A\"<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">\"gender\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"male\"<\/span><span style=\"font-weight: 400;\">},<\/span>\n<span style=\"font-weight: 400;\">&nbsp;{<\/span><span style=\"font-weight: 400;\">\"name\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"Tran Thi B\"<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">\"gender\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"female\"<\/span><span style=\"font-weight: 400;\">},<\/span>\n<span style=\"font-weight: 400;\">&nbsp;{<\/span><span style=\"font-weight: 400;\">\"name\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"Le Van C\"<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">\"gender\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"male\"<\/span><span style=\"font-weight: 400;\">}, <\/span>\n<span style=\"font-weight: 400;\">\/\/ ... c\u00e1c h\u1ecdc sinh kh\u00e1c<\/span>\n\n<span style=\"font-weight: 400;\">]&nbsp;<\/span>\n\n<span style=\"font-weight: 400;\">}<\/span><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-query-1-l\u1ea5y-ra-h\u1ecdc-sinh-ten-tran-thi-b\"><b>Query 1: L\u1ea5y ra h\u1ecdc sinh t\u00ean Tran Thi B<\/b><\/h3>\n\n\n\n<p><b>Input:<\/b><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">db.classes.<\/span><span style=\"font-weight: 400;\">find<\/span><span style=\"font-weight: 400;\">({ <\/span><span style=\"font-weight: 400;\">\"class\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"10A1\"<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">\"students.name\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"Tran Thi B\"<\/span><span style=\"font-weight: 400;\"> }).<\/span><span style=\"font-weight: 400;\">pretty<\/span><span style=\"font-weight: 400;\">()<\/span><\/code><\/pre>\n\n\n\n<p><b>Output s\u1ebd l\u00e0:<\/b><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">{<\/span>\n\n<span style=\"font-weight: 400;\">&nbsp;<\/span><span style=\"font-weight: 400;\">\"class\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"10A1\"<\/span><span style=\"font-weight: 400;\">,<\/span>\n<span style=\"font-weight: 400;\">&nbsp;<\/span><span style=\"font-weight: 400;\">\"maleStudents\"<\/span><span style=\"font-weight: 400;\">: &#91;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;{<\/span><span style=\"font-weight: 400;\">\"name\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"Tran Thi B\"<\/span><span style=\"font-weight: 400;\">,<\/span> <span style=\"font-weight: 400;\">\"gender\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"female\"<\/span><span style=\"font-weight: 400;\">}&nbsp;<\/span>\n\n<span style=\"font-weight: 400;\">]&nbsp;<\/span>\n\n<span style=\"font-weight: 400;\">}<\/span><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-query-2-l\u1ea5y-ra-t\u1ea5t-c\u1ea3-h\u1ecdc-sinh-nam-trong-l\u1edbp-10a1\"><b>Query 2: L\u1ea5y ra t\u1ea5t c\u1ea3 h\u1ecdc sinh nam trong l\u1edbp 10A1<\/b><\/h3>\n\n\n\n<p><b>Input:&nbsp;<\/b><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">db.classes.<\/span><span style=\"font-weight: 400;\">find<\/span><span style=\"font-weight: 400;\">({<\/span><span style=\"font-weight: 400;\">\"class\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"10A1\"<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">\"students.gender\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"male\"<\/span><span style=\"font-weight: 400;\">}).<\/span><span style=\"font-weight: 400;\">pretty<\/span><span style=\"font-weight: 400;\">()<\/span><\/code><\/pre>\n\n\n\n<p><b>Output s\u1ebd l\u00e0:<\/b><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">{<\/span>\n\n<span style=\"font-weight: 400;\">&nbsp;<\/span><span style=\"font-weight: 400;\">\"class\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"10A1\"<\/span><span style=\"font-weight: 400;\">,<\/span>\n<span style=\"font-weight: 400;\">&nbsp;<\/span><span style=\"font-weight: 400;\">\"maleStudents\"<\/span><span style=\"font-weight: 400;\">: &#91;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;{<\/span><span style=\"font-weight: 400;\">\"name\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"Nguyen Van A\"<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">\"gender\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"male\"<\/span><span style=\"font-weight: 400;\">},<\/span>\n<span style=\"font-weight: 400;\">&nbsp;{<\/span><span style=\"font-weight: 400;\">\"name\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"Le Van C\"<\/span><span style=\"font-weight: 400;\">,<\/span> <span style=\"font-weight: 400;\">\"gender\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"male\"<\/span><span style=\"font-weight: 400;\">}&nbsp;<\/span>\n\n<span style=\"font-weight: 400;\">]&nbsp;<\/span>\n\n<span style=\"font-weight: 400;\">}<\/span><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-query-3-tinh-t\u1ed5ng-s\u1ed1-h\u1ecdc-sinh-nam\"><b>Query 3: T\u00ednh t\u1ed5ng s\u1ed1 h\u1ecdc sinh nam<\/b><\/h3>\n\n\n\n<p><b>Input:<\/b><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">db.classes.<\/span><span style=\"font-weight: 400;\">aggregate<\/span><span style=\"font-weight: 400;\">(&#91;<\/span>\n\n<span style=\"font-weight: 400;\">&nbsp;{ <\/span><span style=\"font-weight: 400;\">$match<\/span><span style=\"font-weight: 400;\">: { <\/span><span style=\"font-weight: 400;\">\"class\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"10A1\"<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">\"students.gender\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"male\"<\/span><span style=\"font-weight: 400;\"> } },<\/span>\n<span style=\"font-weight: 400;\">&nbsp;{ <\/span><span style=\"font-weight: 400;\">$group<\/span><span style=\"font-weight: 400;\">: { <\/span><span style=\"font-weight: 400;\">_id<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">null<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">totalMaleStudents<\/span><span style=\"font-weight: 400;\">: { <\/span><span style=\"font-weight: 400;\">$sum<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">1<\/span><span style=\"font-weight: 400;\"> } } },<\/span>\n<span style=\"font-weight: 400;\">&nbsp;{ <\/span><span style=\"font-weight: 400;\">$project<\/span><span style=\"font-weight: 400;\">: { <\/span><span style=\"font-weight: 400;\">_id<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">0<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">totalMaleStudents<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">1<\/span><span style=\"font-weight: 400;\"> } }&nbsp;<\/span>\n\n<span style=\"font-weight: 400;\">])<\/span>\n<\/code><\/pre>\n\n\n\n<p><b>Output s\u1ebd l\u00e0:<\/b><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">{ <\/span><span style=\"font-weight: 400;\">\"totalMaleStudents\"<\/span><span style=\"font-weight: 400;\"> : 2 }<\/span><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cach-them-1-document-trong-nosql\"><b>C\u00e1ch th\u00eam 1 document trong NoSQL<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong MongoDB, \u0111\u1ec3 th\u00eam m\u1ed9t t\u00e0i li\u1ec7u m\u1edbi (document) v\u00e0o m\u1ed9t collection, b\u1ea1n s\u1eed d\u1ee5ng l\u1ec7nh <\/span><i><span style=\"font-weight: 400;\">Insert<\/span><\/i><span style=\"font-weight: 400;\">. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch th\u00eam l\u1edbp 10A2 v\u00e0o collection <\/span><i><span style=\"font-weight: 400;\">classes<\/span><\/i><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">db.classes.<\/span><span style=\"font-weight: 400;\">insert<\/span><span style=\"font-weight: 400;\">({<\/span>\n\n<span style=\"font-weight: 400;\">&nbsp;<\/span><span style=\"font-weight: 400;\">\"class\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"10A2\"<\/span><span style=\"font-weight: 400;\">,<\/span>\n\n<span style=\"font-weight: 400;\">&nbsp;<\/span><span style=\"font-weight: 400;\">\"students\"<\/span><span style=\"font-weight: 400;\">: &#91;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;{<\/span><span style=\"font-weight: 400;\">\"name\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"Nguyen Van D\"<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">\"gender\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"male\"<\/span><span style=\"font-weight: 400;\">},<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;{<\/span><span style=\"font-weight: 400;\">\"name\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"Tran Thi E\"<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">\"gender\"<\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400;\">\"female\"<\/span><span style=\"font-weight: 400;\">},<\/span>\n<span style=\"font-weight: 400;\"> \/\/ ... c\u00e1c h\u1ecdc sinh kh\u00e1c ]&nbsp;<\/span>\n\n<span style=\"font-weight: 400;\">})<\/span><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cach-l\u1ea5y-t\u1ea5t-c\u1ea3-document-c\u1ee7a-collection-trong-nosql\"><b>C\u00e1ch l\u1ea5y t\u1ea5t c\u1ea3 document c\u1ee7a collection trong NoSQL<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong MongoDB, \u0111\u1ec3 l\u1ea5y t\u1ea5t c\u1ea3 c\u00e1c t\u00e0i li\u1ec7u t\u1eeb m\u1ed9t collection, b\u1ea1n s\u1eed d\u1ee5ng l\u1ec7nh <\/span><i><span style=\"font-weight: 400;\">find()<\/span><\/i><span style=\"font-weight: 400;\">. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch l\u1ea5y t\u1ea5t c\u1ea3 c\u00e1c l\u1edbp t\u1eeb collection <\/span><i><span style=\"font-weight: 400;\">classes<\/span><\/i><span style=\"font-weight: 400;\">:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">db.classes.<\/span><span style=\"font-weight: 400;\">find<\/span><span style=\"font-weight: 400;\">()<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">L\u1ec7nh tr\u00ean s\u1ebd tr\u1ea3 v\u1ec1 t\u1ea5t c\u1ea3 c\u00e1c t\u00e0i li\u1ec7u trong collection<\/span> <i><span style=\"font-weight: 400;\">classes<\/span><\/i><span style=\"font-weight: 400;\">.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">N\u1ebfu ch\u00fang ta \u0111\u00e3 th\u00eam l\u1edbp 10A2 v\u00e0o collection, output c\u00f3 th\u1ec3 s\u1ebd gi\u1ed1ng nh\u01b0 sau:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>{\n\n&nbsp;\"class\": \"10A1\", \"students\": &#91;\n&nbsp;{\"name\": \"Nguyen Van A\", \"gender\": \"male\"},\n&nbsp;{\"name\": \"Le Thi B\", \"gender\": \"female\"},\n&nbsp;\/\/ ... c\u00e1c h\u1ecdc sinh kh\u00e1c ]\n\n}&nbsp;\n\n{<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u01b0u-di\u1ec3m-va-h\u1ea1n-ch\u1ebf-c\u1ee7a-nosql-la-gi\"><span class=\"ez-toc-section\" id=\"Uu_diem_va_han_che_cua_NoSQL_la_gi\"><\/span><b>\u01afu \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a NoSQL l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-\u01b0u-di\u1ec3m-nosql-la-gi\"><b>\u01afu \u0111i\u1ec3m NoSQL l\u00e0 g\u00ec?<\/b><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng linh ho\u1ea1t (Scalability): <\/b><span style=\"font-weight: 400;\">C\u01a1 s\u1edf d\u1eef li\u1ec7u NoSQL cung c\u1ea5p kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng linh ho\u1ea1t, \u0111\u00e1p \u1ee9ng nhanh ch\u00f3ng s\u1ef1 thay \u0111\u1ed5i trong quy m\u00f4 v\u00e0 nhu c\u1ea7u c\u1ee7a doanh nghi\u1ec7p.<\/span><\/li>\n\n\n\n<li><b>\u0110a d\u1ea1ng c\u00e1c lo\u1ea1i d\u1eef li\u1ec7u: <\/b><span style=\"font-weight: 400;\">Cho ph\u00e9p l\u01b0u tr\u1eef v\u00e0 truy xu\u1ea5t d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng b\u1ecb r\u00e0ng bu\u1ed9c b\u1edfi c\u00e1c y\u00eau c\u1ea7u v\u1ec1 schema tr\u01b0\u1edbc \u0111\u1ecbnh, gi\u00fap \u1ee9ng d\u1ee5ng nhanh ch\u00f3ng th\u00edch \u1ee9ng v\u1edbi s\u1ef1 thay \u0111\u1ed5i c\u1ee7a th\u00f4ng tin.<\/span><\/li>\n\n\n\n<li><b>Kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u l\u1edbn: <\/b><span style=\"font-weight: 400;\">NoSQL h\u1ed7 tr\u1ee3 x\u1eed l\u00fd v\u00e0 l\u01b0u tr\u1eef c\u00e1c t\u1eadp d\u1eef li\u1ec7u l\u1edbn, l\u00e0m cho ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho big data, <a href=\"https:\/\/itviec.com\/blog\/iot-la-gi\/\" target=\"_blank\" rel=\"noopener\">IoT<\/a>,&#8230;.<\/span><\/li>\n\n\n\n<li><b>\u0110\u01a1n gi\u1ea3n v\u00e0 \u00edt m\u00e3 l\u1ec7nh: <\/b><span style=\"font-weight: 400;\">D\u1ec5 tri\u1ec3n khai v\u00e0 s\u1eed d\u1ee5ng, gi\u1ea3m \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a vi\u1ec7c vi\u1ebft m\u00e3 l\u1ec7nh v\u00e0 qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/span><\/li>\n\n\n\n<li><b>\u00cdt b\u1ea3o tr\u00ec c\u01a1 s\u1edf d\u1eef li\u1ec7u: <\/b><span style=\"font-weight: 400;\">Kh\u00f4ng \u0111\u00f2i h\u1ecfi nhi\u1ec1u c\u00f4ng \u0111o\u1ea1n b\u1ea3o tr\u00ec li\u00ean t\u1ee5c nh\u01b0 c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7 truy\u1ec1n th\u1ed1ng, gi\u1ea3m \u00e1p l\u1ef1c t\u00e0i ch\u00ednh v\u00e0 ti\u1ebft ki\u1ec7m ngu\u1ed3n nh\u00e2n l\u1ef1c.<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-h\u1ea1n-ch\u1ebf-nosql-la-gi\"><b>H\u1ea1n ch\u1ebf NoSQL l\u00e0 g\u00ec?<\/b><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Truy v\u1ea5n \u00edt linh ho\u1ea1t h\u01a1n:<\/b><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u01a1 s\u1edf d\u1eef li\u1ec7u NoSQL linh ho\u1ea1t h\u01a1n khi l\u01b0u tr\u1eef nhi\u1ec1u c\u1ea5u tr\u00fac d\u1eef li\u1ec7u, nh\u01b0ng thi\u1ebfu kh\u1ea3 n\u0103ng truy v\u1ea5n ph\u1ee9c t\u1ea1p nh\u01b0 SQL mang l\u1ea1i. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u lo\u1ea1i truy v\u1ea5n ti\u00eau chu\u1ea9n v\u1edbi NoSQL.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: C\u01a1 s\u1edf d\u1eef li\u1ec7u NoSQL th\u01b0\u1eddng kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ea3m b\u1ea3o t\u00ednh duy nh\u1ea5t cho c\u00e1c kh\u00f3a trong c\u00e1c t\u00e0i li\u1ec7u, \u0111i\u1ec1u n\u00e0y l\u00e0 m\u1ed9t h\u1ea1n ch\u1ebf so v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng quan h\u1ec7 truy\u1ec1n th\u1ed1ng.<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Thi\u1ebfu t\u00e0i li\u1ec7u:<\/b><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">SQL t\u1ed3n t\u1ea1i l\u00e2u n\u00ean ph\u1ed5 bi\u1ebfn, v\u00e0 v\u00ec SQL x\u1eed l\u00fd c\u00e1c d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac n\u00ean c\u00e1ch ti\u1ebfp c\u1eadn d\u1ec5 h\u01a1n v\u1edbi c\u00e1c truy v\u1ea5n c\u00f3 quy t\u1eafc, c\u0169ng nh\u01b0 c\u00f3 nhi\u1ec1u t\u00e0i li\u1ec7u v\u00e0 nhi\u1ec1u c\u1ed9ng \u0111\u1ed3ng h\u1ed7 tr\u1ee3 m\u1ea1nh m\u1ebd.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00f2n NoSQL th\u00ec kh\u00f4ng \u0111\u01b0\u1ee3c nh\u01b0 v\u1eady, v\u1edbi m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p th\u00ec vi\u1ec7c t\u00ecm ki\u1ebfm gi\u1ea3i ph\u00e1p cho c\u00e1c v\u1ea5n \u0111\u1ec1 trong m\u00f4i tr\u01b0\u1eddng NoSQL c\u00f3 th\u1ec3 kh\u00f3 kh\u0103n h\u01a1n.<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Kh\u00f4ng th\u1ec3 t\u1ef1 m\u1edf r\u1ed9ng:<\/b><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">M\u1eb7c d\u00f9 c\u00f3 nhi\u1ec1u c\u00e1ch \u0111\u1ec3 m\u1edf r\u1ed9ng \u1ee9ng d\u1ee5ng b\u1eb1ng c\u00e1c h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u NoSQL nh\u01b0 BigTable ho\u1eb7c MongoDB replica sets, nh\u01b0ng l\u01b0\u1ee3ng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp b\u1ecb gi\u1edbi h\u1ea1n.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00e1c gi\u1ea3i ph\u00e1p thay th\u1ebf nh\u01b0 c\u00e2n b\u1eb1ng t\u1ea3i (load balancer) c\u00f3 th\u1ec3 l\u00e0m t\u0103ng c\u1ea3 chi ph\u00ed ph\u1ea7n c\u1ee9ng v\u00e0 g\u00e1nh n\u1eb7ng trong v\u1eadn h\u00e0nh.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cac-cau-h\u1ecfi-v\u1ec1-nosql-la-gi-th\u01b0\u1eddng-g\u1eb7p\"><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_ve_NoSQL_la_gi_thuong_gap\"><\/span><b>C\u00e1c c\u00e2u h\u1ecfi v\u1ec1 NoSQL l\u00e0 g\u00ec th\u01b0\u1eddng g\u1eb7p<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-\u01b0u-di\u1ec3m-quan-tr\u1ecdng-c\u1ee7a-nosql-la-gi\"><b>\u01afu \u0111i\u1ec3m quan tr\u1ecdng c\u1ee7a NoSQL l\u00e0 g\u00ec?<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">M\u1ed9t trong nh\u1eefng l\u1ee3i \u00edch quan tr\u1ecdng c\u1ee7a NoSQL l\u00e0 kh\u1ea3 n\u0103ng tri\u1ec3n khai nhanh ch\u00f3ng m\u00e0 kh\u00f4ng \u0111\u00f2i h\u1ecfi thi\u1ebft k\u1ebf c\u01a1 s\u1edf d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p v\u1edbi b\u1ea3ng bi\u1ec3u, kh\u00f3a ch\u00ednh, kh\u00f3a ph\u1ee5.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00e1c c\u1ea5u tr\u00fac linh ho\u1ea1t c\u1ee7a NoSQL bao g\u1ed3m document, graph, column, key-value gi\u00fap x\u1eed l\u00fd nhi\u1ec1u lo\u1ea1i d\u1eef li\u1ec7u.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ed3ng th\u1eddi, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng theo chi\u1ec1u ngang (Horizontal Scaling) c\u1ee7a NoSQL gi\u00fap d\u1ec5 d\u00e0ng x\u1eed l\u00fd c\u00e1c b\u1ed9 d\u1eef li\u1ec7u l\u1edbn, d\u1ec5 m\u1edf r\u1ed9ng khi l\u01b0\u1ee3ng truy c\u1eadp hay d\u1eef li\u1ec7u t\u0103ng l\u00ean nhanh ch\u00f3ng..<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-nen-h\u1ecdc-sql-hay-nosql\"><b>N\u00ean h\u1ecdc SQL hay NoSQL?<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">T\u00f9y thu\u1ed9c v\u00e0o m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng, SQL v\u00e0 NoSQL mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch kh\u00e1c nhau.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">SQL ph\u00f9 h\u1ee3p v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7 trong khi NoSQL d\u00e0nh cho c\u01a1 s\u1edf d\u1eef li\u1ec7u phi quan h\u1ec7 v\u00e0 c\u1ea3 hai \u0111\u1ec1u l\u00e0 k\u1ef9 n\u0103ng quan tr\u1ecdng \u0111\u1ed1i v\u1edbi l\u1eadp tr\u00ecnh vi\u00ean.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ec v\u1eady vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa SQL v\u00e0 NoSQL n\u00ean \u0111\u01b0\u1ee3c c\u00e2n nh\u1eafc tr\u00ean nhi\u1ec1u y\u1ebfu t\u1ed1 nh\u01b0 m\u1ee5c \u0111\u00edch c\u1ee7a d\u1ef1 \u00e1n, d\u1ea1ng d\u1eef li\u1ec7u ph\u1ea3i x\u1eed l\u00fd v\u00e0 \u0111\u1ecbnh h\u01b0\u1edbng c\u00e1 nh\u00e2n&#8230; Tuy nhi\u00ean vi\u1ec7c n\u1eafm \u0111\u01b0\u1ee3c ki\u1ebfn th\u1ee9c c\u1ee7a c\u1ea3 SQL v\u00e0 NoSQL s\u1ebd gi\u00fap b\u1ea1n x\u1eed l\u00fd \u0111\u01b0\u1ee3c \u0111a d\u1ea1ng d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-co-c\u1ea7n-thi\u1ebft-h\u1ecdc-nosql-d\u1ec3-tr\u1edf-thanh-nha-khoa-h\u1ecdc-d\u1eef-li\u1ec7u-khong\"><b>C\u00f3 c\u1ea7n thi\u1ebft h\u1ecdc NoSQL \u0111\u1ec3 tr\u1edf th\u00e0nh nh\u00e0 khoa h\u1ecdc d\u1eef li\u1ec7u kh\u00f4ng?<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Tuy vi\u1ec7c h\u1ecdc NoSQL kh\u00f4ng b\u1eaft bu\u1ed9c, nh\u01b0ng c\u00f3 th\u1ec3 mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi l\u00e0m vi\u1ec7c trong l\u0129nh v\u1ef1c khoa h\u1ecdc d\u1eef li\u1ec7u v\u00ec h\u1ecd th\u01b0\u1eddng xuy\u00ean ti\u1ebfp x\u00fac v\u1edbi c\u00e1c v\u1ea5n \u0111\u1ec1 k\u1ef9 thu\u1eadt.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5, n\u1ebfu b\u1ea1n quan t\u00e2m \u0111\u1ebfn l\u0129nh v\u1ef1c Tr\u00ed tu\u1ec7 Nh\u00e2n t\u1ea1o trong ng\u00e0nh kinh doanh, ki\u1ebfn th\u1ee9c v\u1ec1 NoSQL s\u1ebd \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch v\u00ec n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u kh\u00f4ng c\u00f3 c\u1ea5u tr\u00fac m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-t\u1ed5ng-k\u1ebft-nosql-la-gi\"><span class=\"ez-toc-section\" id=\"Tong_ket_NoSQL_la_gi\"><\/span><b>T\u1ed5ng k\u1ebft NoSQL l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u1edbi s\u1ef1 linh ho\u1ea1t cao, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng t\u1ed1t, v\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd b\u1ed9 d\u1eef li\u1ec7u l\u1edbn, NoSQL tr\u1edf th\u00e0nh m\u1ed9t l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn trong vi\u1ec7c qu\u1ea3n l\u00fd d\u1eef li\u1ec7u phi c\u1ea5u tr\u00fac v\u00e0 mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch \u0111\u1eb7c bi\u1ec7t cho nhi\u1ec1u \u1ee9ng d\u1ee5ng.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Tuy nhi\u00ean, c\u0169ng c\u1ea7n l\u01b0u \u00fd r\u1eb1ng NoSQL kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p \u0111a d\u1ee5ng cho m\u1ecdi t\u00ecnh hu\u1ed1ng. C\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf nh\u01b0 thi\u1ebfu t\u00ednh ch\u1ee7 \u0111\u1ed9ng trong vi\u1ec7c truy v\u1ea5n v\u00e0 c\u1ed9ng \u0111\u1ed3ng h\u1ed7 tr\u1ee3 ch\u01b0a m\u1ea1nh m\u1ebd nh\u01b0 SQL. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7t ra th\u00e1ch th\u1ee9c khi quy\u1ebft \u0111\u1ecbnh ch\u1ecdn l\u1ef1a gi\u1eefa SQL v\u00e0 NoSQL, v\u00e0 quy\u1ebft \u0111\u1ecbnh n\u00ean d\u1ef1a tr\u00ean y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a d\u1ef1 \u00e1n v\u00e0 lo\u1ea1i d\u1eef li\u1ec7u s\u1ebd \u0111\u01b0\u1ee3c x\u1eed l\u00fd.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Qua b\u00e0i vi\u1ebft tr\u00ean, ITviec \u0111\u00e3 gi\u00fap cho b\u1ea1n hi\u1ec3u NoSQL l\u00e0 g\u00ec, s\u1ef1 kh\u00e1c nhau gi\u1eefa SQL v\u00e0 NoSQL c\u0169ng nh\u01b0 l\u1ee3i \u00edch v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a NoSQL.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2.png\" alt=\"robby-2\" class=\"wp-image-5668\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2-200x200.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2-60x60.png 60w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><\/figure>\n<\/div>\n\n\n\n<p class=\"has-text-align-center has-text-align-center\" id=\"block-bdf220a1-3635-4794-9101-81d879939b92\"><strong>B\u1ea1n th\u1ea5y b\u00e0i vi\u1ebft hay v\u00e0 h\u1eefu \u00edch? \u0110\u1eebng ng\u1ea1i Share v\u1edbi b\u1ea1n b\u00e8 v\u00e0 \u0111\u1ed3ng nghi\u1ec7p nh\u00e9.<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center has-text-align-center\" id=\"block-a1315aab-406f-48df-97fc-6b9584e6e134\"><strong>V\u00e0 nhanh tay tham kh\u1ea3o\u00a0<a href=\"https:\/\/itviec.com\/viec-lam-it?utm_medium=anchor_text_low&amp;utm_source=blog&amp;utm_campaign=viec_lam_it&amp;utm_content=nosql_la_gi\" target=\"_blank\" rel=\"noreferrer noopener\">vi\u1ec7c l\u00e0m IT<\/a>\u00a0\u201cch\u1ea5t\u201d tr\u00ean ITviec<\/strong>!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NoSQL l\u00e0 g\u00ec? Trong b\u00e0i vi\u1ebft n\u00e0y b\u1ea1n s\u1ebd hi\u1ec3u \u0111\u01b0\u1ee3c v\u1ec1 b\u1ea3n ch\u1ea5t c\u1ee7a NoSQL, t\u01b0\u01a1ng quan gi\u1eefa NoSQL v\u00e0 SQL, c\u00e1c \u1ee9ng d\u1ee5ng c\u0169ng nh\u01b0 m\u1eb7t h\u1ea1n ch\u1ebf c\u1ee7a NoSQL v\u1edbi c\u00e1c use case trong th\u1ef1c t\u1ebf.&nbsp; \u0110\u1ecdc b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n: Tham kh\u1ea3o vi\u1ec7c l\u00e0m NoSQL to\u00e0n qu\u1ed1c NoSQL [&hellip;]<\/p>\n","protected":false},"author":209,"featured_media":64525,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[109],"tags":[],"class_list":["post-64103","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-mon-it"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>NoSQL l\u00e0 g\u00ec? V\u00ec sao g\u1ecdi NoSQL l\u00e0 b\u01b0\u1edbc ti\u1ebfn trong qu\u1ea3n l\u00fd data? - ITviec Blog<\/title>\n<meta name=\"description\" content=\"NoSQL l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u \u01b0u \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a NoSQL. So s\u00e1nh, \u1ee9ng d\u1ee5ng v\u00e0 c\u00e2n nh\u1eafc khi l\u1ef1a ch\u1ecdn gi\u1eefa NoSQL v\u00e0 SQL.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/itviec.com\/blog\/nosql-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NoSQL l\u00e0 g\u00ec? V\u00ec sao g\u1ecdi NoSQL l\u00e0 b\u01b0\u1edbc ti\u1ebfn m\u1edbi trong qu\u1ea3n l\u00fd d\u1eef li\u1ec7u?\" \/>\n<meta property=\"og:description\" content=\"NoSQL l\u00e0 g\u00ec? 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V\u00ec sao g\u1ecdi NoSQL l\u00e0 b\u01b0\u1edbc ti\u1ebfn trong qu\u1ea3n l\u00fd data? - ITviec Blog","description":"NoSQL l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u \u01b0u \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a NoSQL. So s\u00e1nh, \u1ee9ng d\u1ee5ng v\u00e0 c\u00e2n nh\u1eafc khi l\u1ef1a ch\u1ecdn gi\u1eefa NoSQL v\u00e0 SQL.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/itviec.com\/blog\/nosql-la-gi\/","og_locale":"vi_VN","og_type":"article","og_title":"NoSQL l\u00e0 g\u00ec? V\u00ec sao g\u1ecdi NoSQL l\u00e0 b\u01b0\u1edbc ti\u1ebfn m\u1edbi trong qu\u1ea3n l\u00fd d\u1eef li\u1ec7u?","og_description":"NoSQL l\u00e0 g\u00ec? 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