{"id":78521,"date":"2024-09-18T14:46:44","date_gmt":"2024-09-18T07:46:44","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=78521"},"modified":"2024-09-18T14:46:44","modified_gmt":"2024-09-18T07:46:44","slug":"sql-server-la-gi","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/sql-server-la-gi\/","title":{"rendered":"SQL Server: T\u00ecm hi\u1ec3u t\u1ed5ng quan SQL Server cho ng\u01b0\u1eddi m\u1edbi"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 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\/sql-server-la-gi\/#Microsoft_SQL_Server_la_gi\" >Microsoft SQL Server 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\/sql-server-la-gi\/#Cac_phien_ban_cua_Microsoft_SQL_Server\" >C\u00e1c phi\u00ean b\u1ea3n c\u1ee7a Microsoft SQL Server<\/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\/sql-server-la-gi\/#Kien_truc_cua_SQL_Server\" >Ki\u1ebfn tr\u00fac c\u1ee7a SQL Server<\/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\/sql-server-la-gi\/#Cac_tinh_nang_cua_SQL_Server\" >C\u00e1c t\u00ednh n\u0103ng c\u1ee7a SQL Server<\/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\/sql-server-la-gi\/#SQL_Server_dung_de_lam_gi\" >SQL Server d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/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\/sql-server-la-gi\/#Cac_dich_vu_ma_SQL_Server_cung_cap\" >C\u00e1c d\u1ecbch v\u1ee5 m\u00e0 SQL Server cung c\u1ea5p<\/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\/sql-server-la-gi\/#Cau_hoi_thuong_gap_ve_SQL_Server\" >C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 SQL Server<\/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\/sql-server-la-gi\/#Tong_ket\" >T\u1ed5ng k\u1ebft<\/a><\/li><\/ul><\/nav><\/div>\n<p><em><strong>Microsoft SQL Server l\u00e0 m\u1ed9t h\u1ec7 qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Microsoft, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u doanh nghi\u1ec7p t\u1eeb nh\u1ecf \u0111\u1ebfn l\u1edbn. V\u1edbi kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef, truy xu\u1ea5t, v\u00e0 qu\u1ea3n l\u00fd d\u1eef li\u1ec7u m\u1ea1nh m\u1ebd, SQL Server h\u1ed7 tr\u1ee3 nhi\u1ec1u t\u00ednh n\u0103ng ti\u00ean ti\u1ebfn nh\u01b0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u, b\u00e1o c\u00e1o v\u00e0 t\u00edch h\u1ee3p tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o.<\/strong><\/em><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ecdc b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1:\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">SQL Server l\u00e0 g\u00ec?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ebfn tr\u00fac c\u1ee7a SQL Server<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c t\u00ednh n\u0103ng v\u00e0 d\u1ecbch v\u1ee5 c\u1ee7a SQL Server<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Microsoft_SQL_Server_la_gi\"><\/span><b>Microsoft SQL Server l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Microsoft SQL Server l\u00e0 m\u1ed9t h\u1ec7 qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7 (RDBMS) \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 l\u01b0u tr\u1eef v\u00e0 truy xu\u1ea5t d\u1eef li\u1ec7u theo y\u00eau c\u1ea7u t\u1eeb c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c. Thay v\u00ec ph\u1ea3i vi\u1ebft m\u00e3 t\u1eeb \u0111\u1ea7u \u0111\u1ec3 qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m th\u01b0\u1eddng s\u1eed d\u1ee5ng SQL Server \u0111\u1ec3 t\u1eadn d\u1ee5ng c\u00e1c ch\u1ee9c n\u0103ng s\u1eb5n c\u00f3, gi\u00fap qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng nhanh ch\u00f3ng, ti\u1ebft ki\u1ec7m chi ph\u00ed, \u0111\u1ed3ng th\u1eddi t\u0103ng t\u00ednh \u1ed5n \u0111\u1ecbnh, b\u1ea3o m\u1eadt v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><strong>SQL Server c\u00f3 c\u1ea3 phi\u00ean b\u1ea3n m\u00e3 ngu\u1ed3n m\u1edf v\u00e0 m\u00e3 ngu\u1ed3n \u0111\u00f3ng<\/strong>, gi\u00fap t\u0103ng c\u01b0\u1eddng t\u00ednh linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng t\u00f9y ch\u1ec9nh trong vi\u1ec7c tri\u1ec3n khai c\u01a1 s\u1edf d\u1eef li\u1ec7u. Tuy nhi\u00ean, phi\u00ean b\u1ea3n ch\u00ednh c\u1ee7a SQL Server ch\u1ee7 y\u1ebfu l\u00e0 m\u00e3 ngu\u1ed3n \u0111\u00f3ng, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 m\u00e3 ngu\u1ed3n \u0111\u00f3ng n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c c\u00f4ng khai v\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u1ea7n ph\u1ea3i tu\u00e2n theo c\u00e1c \u0111i\u1ec1u kho\u1ea3n v\u00e0 \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng c\u1ee7a Microsoft.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">T\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c RDBMS kh\u00e1c, \u200b\u200btrong SQL Server, d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef d\u01b0\u1edbi d\u1ea1ng c\u00e1c b\u1ea3ng (tables) v\u1edbi c\u00e1c h\u00e0ng (rows) v\u00e0 c\u1ed9t (columns). SQL Server \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef hi\u1ec7u qu\u1ea3 v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm ki\u1ebfm, truy xu\u1ea5t nhanh ch\u00f3ng.Ngo\u00e0i ra n\u00f3 c\u00f2n qu\u1ea3n l\u00fd t\u1ed1t vi\u1ec7c truy c\u1eadp \u0111\u1ed3ng th\u1eddi t\u1eeb nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 tr\u00e1nh xung \u0111\u1ed9t d\u1eef li\u1ec7u.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac_phien_ban_cua_Microsoft_SQL_Server\"><\/span><b>C\u00e1c phi\u00ean b\u1ea3n c\u1ee7a Microsoft SQL Server<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Microsoft cung c\u1ea5p nhi\u1ec1u phi\u00ean b\u1ea3n kh\u00e1c nhau, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c nhu c\u1ea7u s\u1eed d\u1ee5ng kh\u00e1c nhau:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td colspan=\"2\"><b>T\u00ean g\u00f3i<\/b><\/td>\n<td><b>Chi ph\u00ed<\/b><\/td>\n<td><b>Ph\u00f9 h\u1ee3p v\u1edbi<\/b><\/td>\n<td><b>T\u00ednh n\u0103ng cung c\u1ea5p<\/b><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><strong>Enterprise<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">$15,123 (2 core pack)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Doanh nghi\u1ec7p l\u1edbn, y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t cao v\u00e0 t\u00ednh s\u1eb5n s\u00e0ng cao<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t m\u1ea1nh m\u1ebd, \u1ea3o h\u00f3a kh\u00f4ng gi\u1edbi h\u1ea1n, h\u1ed7 tr\u1ee3 c\u00e1c t\u00ednh n\u0103ng tr\u00ed tu\u1ec7 doanh nghi\u1ec7p, Always On Availability Groups v\u00e0 b\u1ea3o m\u1eadt n\u00e2ng cao.<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\"><span style=\"font-weight: 400;\"><strong>Standard<\/strong>\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Per &#8211; core<\/span><\/td>\n<td><span style=\"font-weight: 400;\">$3,945 (2 core pack)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Doanh nghi\u1ec7p v\u1eeba v\u00e0 nh\u1ecf v\u1edbi y\u00eau c\u1ea7u kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u1edbi chi ph\u00ed th\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Qu\u1ea3n l\u00fd d\u1eef li\u1ec7u c\u01a1 b\u1ea3n, h\u1ed7 tr\u1ee3 BI, ph\u00f9 h\u1ee3p cho tri\u1ec3n khai on-premises v\u00e0 tr\u00ean \u0111\u00e1m m\u00e2y, Always On Failover Cluster Instances.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">server<\/span><\/td>\n<td><span style=\"font-weight: 400;\">$989<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c doanh nghi\u1ec7p c\u00f3 s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c thi\u1ebft b\u1ecb truy c\u1eadp v\u00e0o SQL Server h\u1ea1n ch\u1ebf v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">G\u00f3i n\u00e0y c\u00f3 c\u00e1c t\u00ednh n\u0103ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 Standard &#8211; per core, nh\u01b0ng \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p d\u1ef1a tr\u00ean s\u1ed1 l\u01b0\u1ee3ng m\u00e1y ch\u1ee7 thay v\u00ec s\u1ed1 l\u01b0\u1ee3ng core x\u1eed l\u00fd.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">CAL<\/span><\/td>\n<td><span style=\"font-weight: 400;\">$230<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c doanh nghi\u1ec7p c\u1ea7n c\u1ea5p quy\u1ec1n truy c\u1eadp cho m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng c\u1ee5 th\u1ec3 ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c thi\u1ebft b\u1ecb.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">CAL (Client Access License) c\u00f3 t\u00ednh n\u0103ng t\u01b0\u01a1ng t\u1ef1 Standard &#8211; server, c\u1ea5p ph\u00e9p d\u1ef1a tr\u00ean s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c thi\u1ebft b\u1ecb.<\/span><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><strong>Web<\/strong><\/td>\n<td>&#8211;<\/td>\n<td><span style=\"font-weight: 400;\">Nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 web, t\u1ed5 ch\u1ee9c v\u00e0 tri\u1ec3n khai \u1ee9ng d\u1ee5ng web<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 qu\u1ea3n l\u00fd ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 web t\u1eeb quy m\u00f4 nh\u1ecf \u0111\u1ebfn l\u1edbn.<\/span><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><strong>Developer<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">Mi\u1ec5n ph\u00ed<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u00e0 ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m (software developer), x\u00e2y d\u1ef1ng v\u00e0 th\u1eed nghi\u1ec7m \u1ee9ng d\u1ee5ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bao g\u1ed3m to\u00e0n b\u1ed9 t\u00ednh n\u0103ng c\u1ee7a Enterprise nh\u01b0ng \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p s\u1eed d\u1ee5ng cho m\u1ee5c \u0111\u00edch ph\u00e1t tri\u1ec3n v\u00e0 ki\u1ec3m th\u1eed,kh\u00f4ng ph\u1ea3i cho m\u00e1y ch\u1ee7 s\u1ea3n xu\u1ea5t (product environment).<\/span><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><strong>Express<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">Mi\u1ec5n ph\u00ed<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Doanh nghi\u1ec7p nh\u1ecf, ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng c\u00e1 nh\u00e2n, \u1ee9ng d\u1ee5ng desktop<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Phi\u00ean b\u1ea3n c\u01a1 b\u1ea3n nh\u1ea5t, ph\u00f9 h\u1ee3p \u0111\u1ec3 h\u1ecdc t\u1eadp v\u00e0 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng nh\u1ecf, c\u00f3 th\u1ec3 n\u00e2ng c\u1ea5p l\u00ean c\u00e1c g\u00f3i cao h\u01a1n.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Kien_truc_cua_SQL_Server\"><\/span><b>Ki\u1ebfn tr\u00fac c\u1ee7a SQL Server<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">SQL Server bao g\u1ed3m hai th\u00e0nh ph\u1ea7n ch\u00ednh:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Database Engine<\/b><span style=\"font-weight: 400;\"> l\u00e0 th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a SQL Server, bao g\u1ed3m:<\/span><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Relational Engine<\/b><span style=\"font-weight: 400;\">: C\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ed9 x\u1eed l\u00fd truy v\u1ea5n, \u0111\u1ea3m nhi\u1ec7m vi\u1ec7c x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng ph\u00e1p t\u1ed1i \u01b0u \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c truy v\u1ea5n. Relational Engine ch\u1ecbu tr\u00e1ch nhi\u1ec7m ch\u00ednh cho vi\u1ec7c x\u1eed l\u00fd truy v\u1ea5n, qu\u1ea3n l\u00fd b\u1ed9 nh\u1edb, qu\u1ea3n l\u00fd lu\u1ed3ng v\u00e0 nhi\u1ec7m v\u1ee5, qu\u1ea3n l\u00fd b\u1ed9 \u0111\u1ec7m v\u00e0 x\u1eed l\u00fd truy v\u1ea5n ph\u00e2n t\u00e1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Storage Engine<\/b><span style=\"font-weight: 400;\">: B\u1ed9 ph\u1eadn n\u00e0y ch\u1ecbu tr\u00e1ch nhi\u1ec7m l\u01b0u tr\u1eef v\u00e0 truy xu\u1ea5t d\u1eef li\u1ec7u t\u1eeb c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef nh\u01b0 \u0111\u0129a c\u1ee9ng ho\u1eb7c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef m\u1ea1ng (SAN). N\u00f3 qu\u1ea3n l\u00fd c\u00e1c t\u1ec7p c\u01a1 s\u1edf d\u1eef li\u1ec7u, trang, ch\u1ec9 m\u1ee5c v\u00e0 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u01a1 s\u1edf d\u1eef li\u1ec7u kh\u00e1c nh\u01b0 stored procedures, views v\u00e0 triggers.<\/span><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>SQL Server Operating System<\/b><span style=\"font-weight: 400;\"> (<\/span><b>SQLOS<\/b><span style=\"font-weight: 400;\">): n\u1eb1m b\u00ean d\u01b0\u1edbi Relational Engine v\u00e0 Storage Engine, cung c\u1ea5p c\u00e1c d\u1ecbch v\u1ee5 h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u1ea7n thi\u1ebft nh\u01b0 qu\u1ea3n l\u00fd b\u1ed9 nh\u1edb, qu\u1ea3n l\u00fd I\/O, x\u1eed l\u00fd ngo\u1ea1i l\u1ec7 v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 \u0111\u1ed3ng b\u1ed9 h\u00f3a. \u0110\u00e2y l\u00e0 n\u1ec1n t\u1ea3ng h\u1ed7 tr\u1ee3 \u0111\u1ec3 SQL Server ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00e1ch c\u1ea5u tr\u00fac n\u00e0y gi\u00fap SQL Server kh\u00f4ng ch\u1ec9 l\u01b0u tr\u1eef v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3, m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ea3o m\u1eadt cao cho c\u00e1c \u1ee9ng d\u1ee5ng c\u01a1 s\u1edf d\u1eef li\u1ec7u doanh nghi\u1ec7p.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac_tinh_nang_cua_SQL_Server\"><\/span><b>C\u00e1c t\u00ednh n\u0103ng c\u1ee7a SQL Server<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">SQL Server n\u1ed5i b\u1eadt v\u1edbi nhi\u1ec1u t\u00ednh n\u0103ng m\u1ea1nh m\u1ebd h\u1ed7 tr\u1ee3 qu\u1ea3n l\u00fd v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u, \u0111\u1ed3ng th\u1eddi cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 v\u1ec1 tr\u00ed tu\u1ec7 doanh nghi\u1ec7p (Business Intelligence) \u0111\u1ec3 gi\u00fap hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 doanh nghi\u1ec7p v\u00e0 kh\u00e1ch h\u00e0ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a SQL Server:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u00edch h\u1ee3p d\u1eef li\u1ec7u v\u00e0 tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o:<\/b><span style=\"font-weight: 400;\"> SQL Server cho ph\u00e9p t\u00edch h\u1ee3p d\u1ec5 d\u00e0ng d\u1eef li\u1ec7u v\u00e0o c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 t\u1eadn d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI) tr\u00ean m\u1ecdi quy m\u00f4 d\u1eef li\u1ec7u, c\u1ea3 trong m\u00f4i tr\u01b0\u1eddng on-premises* v\u00e0 \u0111\u00e1m m\u00e2y th\u00f4ng qua t\u00edch h\u1ee3p v\u1edbi Azure AI.<\/span><\/li>\n<\/ul>\n<blockquote><p><b>* On-premises<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c c\u00e0i \u0111\u1eb7t v\u00e0 v\u1eadn h\u00e0nh ph\u1ea7n m\u1ec1m ho\u1eb7c h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7 ngay t\u1ea1i c\u01a1 s\u1edf v\u1eadt ch\u1ea5t c\u1ee7a t\u1ed5 ch\u1ee9c, thay v\u00ec tr\u00ean n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0 qu\u1ea3n l\u00fd tr\u1ef1c ti\u1ebfp t\u1ea1i \u0111\u1ecba \u0111i\u1ec3m c\u1ee7a t\u1ed5 ch\u1ee9c, cho ph\u00e9p ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd h\u01a1n v\u1ec1 b\u1ea3o m\u1eadt v\u00e0 c\u1ea5u h\u00ecnh, nh\u01b0ng c\u0169ng y\u00eau c\u1ea7u \u0111\u1ea7u t\u01b0 v\u1ed1n l\u1edbn cho c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 chi ph\u00ed b\u1ea3o tr\u00ec.<\/span><\/p><\/blockquote>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u00ednh s\u1eb5n s\u00e0ng cao v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed1t:<\/b><span style=\"font-weight: 400;\"> SQL Server h\u1ed7 tr\u1ee3 t\u00ednh n\u0103ng Always On Availability Groups, cung c\u1ea5p kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i d\u1ef1 ph\u00f2ng nhanh ch\u00f3ng v\u00e0 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u trong m\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp \u0111\u1ed3ng th\u1eddi. V\u1edbi kh\u1ea3 n\u0103ng x\u1eed l\u00fd trong b\u1ed9 nh\u1edb (in-memory), SQL Server cung c\u1ea5p s\u1ef1 linh ho\u1ea1t cao v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng, c\u00f9ng v\u1edbi t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u1edbi h\u1ec7 sinh th\u00e1i m\u00e1y ch\u1ee7 c\u1ee7a Microsoft.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/learn.microsoft.com\/en-us\/sql\/relational-databases\/in-memory-oltp\/overview-and-usage-scenarios?view=sql-server-ver16\" target=\"_blank\" rel=\"noopener\"><b>In-Memory Processing<\/b><\/a><b>:<\/b><span style=\"font-weight: 400;\"> SQL Server cung c\u1ea5p t\u00ednh n\u0103ng In-Memory OLTP (Online Transaction Processing) gi\u00fap t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t x\u1eed l\u00fd giao d\u1ecbch b\u1eb1ng c\u00e1ch t\u1ed1i \u01b0u h\u00f3a truy c\u1eadp d\u1eef li\u1ec7u v\u00e0 gi\u1ea3m thi\u1ec3u tranh ch\u1ea5p kh\u00f3a (lock) v\u00e0 ch\u1ed1t (latch) trong c\u00e1c giao d\u1ecbch \u0111\u1ed3ng th\u1eddi. V\u1edbi In-Memory OLTP, d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong b\u1ed9 nh\u1edb, t\u0103ng t\u1ed1c \u0111\u1ed9 truy xu\u1ea5t v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u. \u0110\u1eb7c bi\u1ec7t, c\u00e1c b\u1ea3ng t\u1ed1i \u01b0u h\u00f3a b\u1ed9 nh\u1edb c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p v\u1edbi c\u00e1c b\u1ea3ng truy\u1ec1n th\u1ed1ng trong c\u00f9ng m\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u, gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i nhi\u1ec1u trong \u1ee9ng d\u1ee5ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>H\u1ed7 tr\u1ee3 \u0111a d\u1ea1ng ng\u00f4n ng\u1eef v\u00e0 n\u1ec1n t\u1ea3ng<\/b><span style=\"font-weight: 400;\">: SQL Server h\u1ed7 tr\u1ee3 nhi\u1ec1u ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh v\u00e0 c\u00f3 th\u1ec3 tri\u1ec3n khai tr\u00ean nhi\u1ec1u n\u1ec1n t\u1ea3ng kh\u00e1c nhau t\u1eeb Windows, Linux \u0111\u1ebfn Kubernetes, Docker.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u1ea3o m\u1eadt t\u1ed1t<\/b><span style=\"font-weight: 400;\">: SQL Server n\u1ed5i ti\u1ebfng v\u1edbi h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u, gi\u00e1m s\u00e1t v\u00e0 ph\u00e2n lo\u1ea1i d\u1eef li\u1ec7u, \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng l\u00e0 m\u1ed9t trong nh\u1eefng n\u1ec1n t\u1ea3ng b\u1ea3o m\u1eadt h\u00e0ng \u0111\u1ea7u theo c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u1ee7a Vi\u1ec7n Ti\u00eau Chu\u1ea9n v\u00e0 C\u00f4ng Ngh\u1ec7 Qu\u1ed1c Gia (NIST) trong su\u1ed1t 9 n\u0103m. Ngo\u00e0i ra, SQL Server cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng ph\u00e2n quy\u1ec1n ng\u01b0\u1eddi d\u00f9ng m\u1ea1nh m\u1ebd v\u00e0 linh ho\u1ea1t, cho ph\u00e9p qu\u1ea3n tr\u1ecb vi\u00ean qu\u1ea3n l\u00fd truy c\u1eadp chi ti\u1ebft \u0111\u1ebfn t\u1eebng \u0111\u1ed1i t\u01b0\u1ee3ng trong c\u01a1 s\u1edf d\u1eef li\u1ec7u, \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u1ec1 d\u1eef li\u1ec7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng linh ho\u1ea1t<\/b><span style=\"font-weight: 400;\">: SQL Server cho ph\u00e9p ph\u00e2n v\u00f9ng b\u1ea3ng (table partitioning) \u0111\u1ec3 qu\u1ea3n l\u00fd d\u1eef li\u1ec7u l\u1edbn m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 h\u01a1n v\u00e0 t\u00ednh n\u0103ng qu\u1ea3n l\u00fd phi\u00ean b\u1ea3n (versioning) gi\u00fap theo d\u00f5i v\u00e0 ki\u1ec3m so\u00e1t c\u00e1c thay \u0111\u1ed5i trong c\u01a1 s\u1edf d\u1eef li\u1ec7u, \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 h\u1ed7 tr\u1ee3 kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u khi c\u1ea7n thi\u1ebft. Ngo\u00e0i ra, vi\u1ec7c t\u00edch h\u1ee3p d\u1ec5 d\u00e0ng h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u1edbi c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng v\u00e0 d\u1ecbch v\u1ee5 Azure c\u0169ng t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch v\u00e0 hi\u1ec7u su\u1ea5t tr\u00ean d\u1eef li\u1ec7u.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Nh\u1eefng t\u00ednh n\u0103ng n\u00e0y l\u00e0m cho SQL Server tr\u1edf th\u00e0nh m\u1ed9t l\u1ef1a ch\u1ecdn h\u1ea5p d\u1eabn gi\u00fap c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean v\u00e0 c\u00e1c t\u1ed5 ch\u1ee9c qu\u1ea3n l\u00fd d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"SQL_Server_dung_de_lam_gi\"><\/span><b>SQL Server d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>L\u01b0u tr\u1eef v\u00e0 truy xu\u1ea5t d\u1eef li\u1ec7u:<\/b><span style=\"font-weight: 400;\"> SQL Server \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef v\u00e0 truy xu\u1ea5t c\u00e1c lo\u1ea1i d\u1eef li\u1ec7u nh\u01b0 h\u1ed3 s\u01a1 kh\u00e1ch h\u00e0ng, giao d\u1ecbch b\u00e1n h\u00e0ng, d\u1eef li\u1ec7u khoa h\u1ecdc hay l\u1ecbch s\u1eed t\u00edn d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ea7n m\u1ec1m ph\u1ee5c v\u1ee5 nhu c\u1ea7u kinh doanh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Qu\u1ea3n l\u00fd d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn:<\/b><span style=\"font-weight: 400;\"> SQL Server th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c c\u00f4ng ty v\u1eeba v\u00e0 l\u1edbn, n\u01a1i c\u1ea7n kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng \u0111\u1ec3 qu\u1ea3n l\u00fd h\u00e0ng tri\u1ec7u ho\u1eb7c h\u00e0ng tr\u0103m tri\u1ec7u b\u1ea3n ghi d\u1eef li\u1ec7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>S\u1eed d\u1ee5ng t\u1ea1i ch\u1ed7 v\u00e0 tr\u00ean \u0111\u00e1m m\u00e2y:<\/b><span style=\"font-weight: 400;\"> SQL Server c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tri\u1ec3n khai t\u1ea1i trung t\u00e2m d\u1eef li\u1ec7u c\u1ee7a c\u00f4ng ty (on-premises) ho\u1eb7c tr\u00ean \u0111\u00e1m m\u00e2y v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m nh\u01b0 Azure SQL Database, Azure SQL Managed Instance v\u00e0 SQL Server tr\u00ean Azure VMs.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>H\u1ed7 tr\u1ee3 IoT v\u00e0 tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o:<\/b><span style=\"font-weight: 400;\"> Microsoft cung c\u1ea5p Azure SQL Edge, m\u1ed9t phi\u00ean b\u1ea3n nh\u1ecf g\u1ecdn c\u1ee7a SQL Server \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c thi\u1ebft b\u1ecb IoT v\u00e0 m\u00f4i tr\u01b0\u1eddng m\u1ea1ng bi\u00ean (edge computing), v\u1edbi t\u00edch h\u1ee3p s\u1eb5n c\u00e1c kh\u1ea3 n\u0103ng tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u1ee8ng d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng b\u1ea3o m\u1eadt cao:<\/b><span style=\"font-weight: 400;\"> SQL Server \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c l\u0129nh v\u1ef1c \u0111\u00f2i h\u1ecfi t\u00ednh b\u1ea3o m\u1eadt cao nh\u01b0 t\u00e0i ch\u00ednh, y t\u1ebf v\u00e0 ch\u00ednh ph\u1ee7, nh\u1edd v\u00e0o c\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd nh\u01b0 m\u00e3 h\u00f3a d\u1eef li\u1ec7u, qu\u1ea3n l\u00fd quy\u1ec1n truy c\u1eadp chi ti\u1ebft v\u00e0 kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t, theo d\u00f5i ho\u1ea1t \u0111\u1ed9ng truy c\u1eadp d\u1eef li\u1ec7u.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cac_dich_vu_ma_SQL_Server_cung_cap\"><\/span><b>C\u00e1c d\u1ecbch v\u1ee5 m\u00e0 SQL Server cung c\u1ea5p<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">SQL Server cung c\u1ea5p m\u1ed9t lo\u1ea1t c\u00e1c d\u1ecbch v\u1ee5 quan tr\u1ecdng h\u1ed7 tr\u1ee3 qu\u1ea3n l\u00fd v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u, bao g\u1ed3m:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Database Engine:<\/b><span style=\"font-weight: 400;\"> X\u1eed l\u00fd c\u00e1c quy tr\u00ecnh c\u01a1 b\u1ea3n nh\u01b0 l\u01b0u tr\u1eef, x\u1eed l\u00fd v\u00e0 b\u1ea3o m\u1eadt d\u1eef li\u1ec7u. Database Engine ki\u1ec3m so\u00e1t quy\u1ec1n truy c\u1eadp v\u00e0o c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 x\u1eed l\u00fd c\u00e1c giao d\u1ecbch.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Reporting Services (SSRS):<\/b><span style=\"font-weight: 400;\"> Cung c\u1ea5p kh\u1ea3 n\u0103ng t\u1ea1o ra c\u00e1c b\u00e1o c\u00e1o h\u1eefu \u00edch t\u1eeb nhi\u1ec1u ngu\u1ed3n d\u1eef li\u1ec7u kh\u00e1c nhau, \u0111\u1ecbnh d\u1ea1ng v\u00e0 xu\u1ea5t b\u1ea3n ch\u00fang, gi\u00fap qu\u1ea3n l\u00fd (Manager) \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean th\u00f4ng tin t\u1eeb c\u00e1c b\u00e1o c\u00e1o n\u00e0y.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Analysis Services (SSAS):<\/b><span style=\"font-weight: 400;\"> Cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch d\u1eef li\u1ec7u cho tr\u00ed tu\u1ec7 doanh nghi\u1ec7p, bao g\u1ed3m x\u1eed l\u00fd ph\u00e2n t\u00edch tr\u1ef1c tuy\u1ebfn (OLAP), m\u00f4 h\u00ecnh h\u00f3a theo d\u1ea1ng b\u1ea3ng, v\u00e0 khai th\u00e1c d\u1eef li\u1ec7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Integration Services (SSIS):<\/b><span style=\"font-weight: 400;\"> H\u1ed7 tr\u1ee3 vi\u1ec7c di chuy\u1ec3n d\u1eef li\u1ec7u v\u1edbi c\u00e1c g\u00f3i ETL (Extract, Transform, Load) \u0111\u1ec3 tr\u00edch xu\u1ea5t, bi\u1ebfn \u0111\u1ed5i v\u00e0 n\u1ea1p c\u00e1c b\u1ea3n ghi c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Data Quality Services (DQS):<\/b><span style=\"font-weight: 400;\"> \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 l\u00e0m s\u1ea1ch d\u1eef li\u1ec7u, b\u1eaft \u0111\u1ea7u t\u1eeb vi\u1ec7c x\u00e2y d\u1ef1ng c\u01a1 s\u1edf ki\u1ebfn th\u1ee9c \u0111\u1ec3 s\u1eeda ch\u1eefa v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c d\u1eef li\u1ec7u tr\u00f9ng l\u1eb7p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Machine Learning Services:<\/b><span style=\"font-weight: 400;\"> H\u1ed7 tr\u1ee3 t\u00edch h\u1ee3p h\u1ecdc m\u00e1y v\u00e0o c\u00e1c quy tr\u00ecnh doanh nghi\u1ec7p, cho ph\u00e9p c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean s\u1eed d\u1ee5ng ng\u00f4n ng\u1eef R v\u00e0 Python \u0111\u1ec3 x\u00e2y d\u1ef1ng, hu\u1ea5n luy\u1ec7n l\u1ea1i v\u00e0 \u0111\u00e1nh gi\u00e1 c\u00e1c m\u00f4 h\u00ecnh tr\u1ef1c ti\u1ebfp tr\u00ean SQL Server.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cau_hoi_thuong_gap_ve_SQL_Server\"><\/span><b>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 SQL Server<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>C\u00e1ch ph\u00e2n bi\u1ec7t gi\u1eefa SQL v\u00e0 SQL Server l\u00e0 g\u00ec?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\"><strong>SQL<\/strong> (Structured Query Language) l\u00e0 ng\u00f4n ng\u1eef ti\u00eau chu\u1ea9n d\u00f9ng \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c h\u1ec7 qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">SQL Server l\u00e0 t\u00ean c\u1ee7a h\u1ec7 qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u do Microsoft ph\u00e1t tri\u1ec3n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tuy m\u1ed9t s\u1ed1 ng\u01b0\u1eddi th\u01b0\u1eddng g\u1ecdi t\u1eaft SQL Server l\u00e0 SQL nh\u01b0ng <strong>\u0111\u00e2y l\u00e0 hai kh\u00e1i ni\u1ec7m kh\u00e1c nhau<\/strong>.<\/span><\/p>\n<blockquote><p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/sql-database-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>SQL Database \u2013 Ng\u00f4n ng\u1eef truy v\u1ea5n m\u1ea1nh m\u1ebd cho c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/strong><\/a><\/em><\/p><\/blockquote>\n<h3><b>SQL Server c\u00f3 ph\u1ea3i l\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u kh\u00f4ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Server l\u00e0 m\u1ed9t h\u1ec7 qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7 (RDBMS), kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u01a1n thu\u1ea7n. N\u00f3 c\u00f2n qu\u1ea3n l\u00fd vi\u1ec7c l\u01b0u tr\u1eef, truy xu\u1ea5t d\u1eef li\u1ec7u theo y\u00eau c\u1ea7u c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c, \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 to\u00e0n v\u1eb9n d\u1eef li\u1ec7u th\u00f4ng qua c\u00e1c nguy\u00ean t\u1eafc ACID.<\/span><\/p>\n<blockquote><p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/mysql-vs-sql-server\/\" target=\"_blank\" rel=\"noopener\"><strong>MySQL vs SQL Server: N\u00ean ch\u1ecdn RDBMS n\u00e0o?<\/strong><\/a><\/em><\/p><\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"Tong_ket\"><\/span><b>T\u1ed5ng k\u1ebft<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">SQL Server kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 qu\u1ea3n l\u00fd d\u1eef li\u1ec7u m\u00e0 c\u00f2n l\u00e0 n\u1ec1n t\u1ea3ng h\u1ed7 tr\u1ee3 ph\u00e2n t\u00edch v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c \u1ee9ng d\u1ee5ng kinh doanh hi\u1ec7u qu\u1ea3. V\u1edbi nhi\u1ec1u phi\u00ean b\u1ea3n ph\u00f9 h\u1ee3p cho c\u00e1c nhu c\u1ea7u kh\u00e1c nhau, t\u1eeb doanh nghi\u1ec7p nh\u1ecf \u0111\u1ebfn t\u1eadp \u0111o\u00e0n l\u1edbn, SQL Server cung c\u1ea5p gi\u1ea3i ph\u00e1p to\u00e0n di\u1ec7n \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c qu\u1ea3n l\u00fd v\u00e0 khai th\u00e1c d\u1eef li\u1ec7u.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">ITviec hy v\u1ecdng qua b\u00e0i vi\u1ebft n\u00e0y, b\u1ea1n \u0111\u00e3 c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 SQL Server v\u00e0 c\u00e1ch n\u00f3 c\u00f3 th\u1ec3 mang l\u1ea1i gi\u00e1 tr\u1ecb cho h\u1ec7 th\u1ed1ng d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft SQL Server l\u00e0 m\u1ed9t h\u1ec7 qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Microsoft, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u doanh nghi\u1ec7p t\u1eeb nh\u1ecf \u0111\u1ebfn l\u1edbn. V\u1edbi kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef, truy xu\u1ea5t, v\u00e0 qu\u1ea3n l\u00fd d\u1eef li\u1ec7u m\u1ea1nh m\u1ebd, SQL Server h\u1ed7 tr\u1ee3 nhi\u1ec1u t\u00ednh n\u0103ng ti\u00ean ti\u1ebfn nh\u01b0 ph\u00e2n [&hellip;]<\/p>\n","protected":false},"author":209,"featured_media":78902,"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-78521","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 v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>SQL Server: T\u00ecm hi\u1ec3u t\u1ed5ng quan SQL Server cho ng\u01b0\u1eddi m\u1edbi - ITviec Blog<\/title>\n<meta name=\"description\" content=\"\u0110\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Microsoft, SQL Server h\u1ed7 tr\u1ee3 nhi\u1ec1u t\u00ednh n\u0103ng ti\u00ean ti\u1ebfn nh\u01b0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u, b\u00e1o c\u00e1o v\u00e0 t\u00edch h\u1ee3p tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o.\" \/>\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\/sql-server-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SQL Server: T\u00ecm hi\u1ec3u t\u1ed5ng quan SQL Server cho ng\u01b0\u1eddi m\u1edbi\" \/>\n<meta property=\"og:description\" content=\"Microsoft SQL Server l\u00e0 m\u1ed9t h\u1ec7 qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Microsoft, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u doanh nghi\u1ec7p t\u1eeb nh\u1ecf \u0111\u1ebfn l\u1edbn. 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