{"id":14816,"date":"2018-04-19T20:49:01","date_gmt":"2018-04-19T13:49:01","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=14816"},"modified":"2024-01-29T17:08:34","modified_gmt":"2024-01-29T10:08:34","slug":"database-administrator-la-gi","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/database-administrator-la-gi\/","title":{"rendered":"Qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u Database Administrator (DBA) l\u00e0 g\u00ec? L\u01b0\u01a1ng ra sao?"},"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\/database-administrator-la-gi\/#Chao_anh_Hai_Anh_co_the_ke_ve_nen_tang_giao_duc_va_con_duong_nghe_nghiep_cua_minh\" >Ch\u00e0o anh H\u1ea3i! Anh c\u00f3 th\u1ec3 k\u1ec3 v\u1ec1 n\u1ec1n t\u1ea3ng gi\u00e1o d\u1ee5c v\u00e0 con \u0111\u01b0\u1eddng ngh\u1ec1 nghi\u1ec7p c\u1ee7a m\u00ecnh?<\/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\/database-administrator-la-gi\/#Anh_hoc_o_dau_de_lay_Chung_chi_Oracle\" >Anh h\u1ecdc \u1edf \u0111\u00e2u \u0111\u1ebf l\u1ea5y Ch\u1ee9ng ch\u1ec9 Oracle?<\/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\/database-administrator-la-gi\/#Cong_viec_cu_the_cua_anh_o_vi_tri_moi_Database_Team_Leader_la_gi\" >C\u00f4ng vi\u1ec7c c\u1ee5 th\u1ec3 c\u1ee7a anh \u1edf v\u1ecb tr\u00ed m\u1edbi, Database Team Leader, 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-4\" href=\"https:\/\/itviec.com\/blog\/database-administrator-la-gi\/#Anh_co_the_ke_ve_hanh_trinh_nghe_nghiep_tiep_theo\" >Anh c\u00f3 th\u1ec3 k\u1ec3 v\u1ec1 h\u00e0nh tr\u00ecnh ngh\u1ec1 nghi\u1ec7p ti\u1ebfp theo?<\/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\/database-administrator-la-gi\/#Quan_tri_co_so_du_lieu_Database_Administrator_la_lam_gi_vay_anh\" >Qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u Database Administrator l\u00e0 l\u00e0m g\u00ec v\u1eady anh?<\/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\/database-administrator-la-gi\/#Can_phai_trai_qua_nhung_vi_tri_nao_de_tro_thanh_DBA\" >C\u1ea7n ph\u1ea3i tr\u1ea3i qua nh\u1eefng v\u1ecb tr\u00ed n\u00e0o \u0111\u1ec3 tr\u1edf th\u00e0nh DBA?<\/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\/database-administrator-la-gi\/#Theo_anh_cac_ky_nang_va_to_chat_quan_trong_nhat_de_tro_thanh_DBA_la_gi\" >Theo anh, c\u00e1c k\u1ef9 n\u0103ng v\u00e0 t\u1ed1 ch\u1ea5t quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 tr\u1edf th\u00e0nh DBA 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\/database-administrator-la-gi\/#Anh_co_the_ke_ve_mot_ngay_lam_viec_cua_minh\" >Anh c\u00f3 th\u1ec3 k\u1ec3 v\u1ec1 m\u1ed9t ng\u00e0y l\u00e0m vi\u1ec7c c\u1ee7a m\u00ecnh?<\/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\/database-administrator-la-gi\/#Sai_lam_%E2%80%9Cnho_doi%E2%80%9D_anh_tung_mac_phai_trong_cong_viec_DBA_la_gi\" >Sai l\u1ea7m \u201cnh\u1edb \u0111\u1eddi\u201d anh t\u1eebng m\u1eafc ph\u1ea3i trong c\u00f4ng vi\u1ec7c DBA 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-10\" href=\"https:\/\/itviec.com\/blog\/database-administrator-la-gi\/#Anh_hoc_duoc_gi_tu_su_co_do\" >Anh h\u1ecdc \u0111\u01b0\u1ee3c g\u00ec t\u1eeb s\u1ef1 c\u1ed1 \u0111\u00f3?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/itviec.com\/blog\/database-administrator-la-gi\/#Anh_co_loi_khuyen_gi_muon_gui_toi_cac_ban_muon_tro_thanh_DBA\" >Anh c\u00f3 l\u1eddi khuy\u00ean g\u00ec mu\u1ed1n g\u1eedi t\u1edbi c\u00e1c b\u1ea1n mu\u1ed1n tr\u1edf th\u00e0nh DBA?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/itviec.com\/blog\/database-administrator-la-gi\/#Theo_quan_sat_cua_anh_nhu_cau_tuyen_DBA_ngoai_thi_truong_co_cao_khong_Luong_vi_tri_nay_co_tot_khong\" >Theo quan s\u00e1t c\u1ee7a anh, nhu c\u1ea7u tuy\u1ec3n DBA ngo\u00e0i th\u1ecb tr\u01b0\u1eddng c\u00f3 cao kh\u00f4ng? L\u01b0\u01a1ng v\u1ecb tr\u00ed n\u00e0y c\u00f3 t\u1ed1t kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/itviec.com\/blog\/database-administrator-la-gi\/#Nhung_resource_nao_anh_thay_co_ich_cho_nghe_DBA\" >Nh\u1eefng resource n\u00e0o anh th\u1ea5y c\u00f3 \u00edch cho ngh\u1ec1 DBA?<\/a><\/li><\/ul><\/nav><\/div>\n<p><strong><em>Database Administrator (DBA) l\u00e0 g\u00ec? DBA l\u00e0 ng\u01b0\u1eddi ch\u1ecbu tr\u00e1ch nhi\u1ec7m qu\u1ea3n tr\u1ecb v\u00e0 v\u1eadn h\u00e0nh c\u00e1c ho\u1ea1t \u0111\u1ed9ng li\u00ean quan \u0111\u1ebfn c\u01a1 s\u1edf d\u1eef li\u1ec7u nh\u01b0 l\u00ean k\u1ebf ho\u1ea1ch, c\u00e0i \u0111\u1eb7t, c\u1ea5u h\u00ecnh, t\u1ed1i \u01b0u, backup, security, v.v. nh\u1eb1m \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng lu\u00f4n s\u1eb5n s\u00e0ng cho ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp.<\/em><\/strong><\/p>\n<p>\u0110\u1ecdc b\u00e0i ph\u1ecfng v\u1ea5n c\u1ee7a ITviec v\u1edbi anh <strong>Mai Thanh H\u1ea3i<\/strong>, Database Administrator Team Leader c\u1ee7a <a href=\"https:\/\/itviec.com\/nha-tuyen-dung\/vietbank?utm_source=blogpost&amp;utm_medium=jobs&amp;utm_content=database-administrator-la-gi&amp;utm_campaign=con-duong-su-nghiep-it\" target=\"_blank\" rel=\"noopener noreferrer\">VietBank<\/a>, ng\u01b0\u1eddi c\u00f3 9 n\u0103m kinh nghi\u1ec7m l\u00e0m Qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u Database Administrator, \u0111\u1ec3 bi\u1ebft:<\/p>\n<ul>\n<li>Qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u Database Administrator (DBA) l\u00e0 g\u00ec? L\u01b0\u01a1ng ra sao?<\/li>\n<li>Sai l\u1ea7m l\u1edbn nh\u1ea5t trong c\u00f4ng vi\u1ec7c DBA c\u1ee7a anh H\u1ea3i v\u00e0 b\u00e0i h\u1ecdc r\u00fat ra<\/li>\n<li>L\u1eddi khuy\u00ean d\u00e0nh cho c\u00e1c b\u1ea1n tr\u1ebb mu\u1ed1n tr\u1edf th\u00e0nh DBA<\/li>\n<\/ul>\n<p><strong>Xem th\u00eam <a href=\"https:\/\/itviec.com\/viec-lam-it\/database-administrator?utm_source=blogpost&amp;utm_medium=first_post&amp;utm_campaign=linktosite\" target=\"_blank\" rel=\"noopener noreferrer\">vi\u1ec7c l\u00e0m Database Administrator<\/a> tr\u00ean ITviec<\/strong><\/p>\n<p><!--more--><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Chao_anh_Hai_Anh_co_the_ke_ve_nen_tang_giao_duc_va_con_duong_nghe_nghiep_cua_minh\"><\/span><strong>Ch\u00e0o anh H\u1ea3i! Anh c\u00f3 th\u1ec3 k\u1ec3 v\u1ec1 n\u1ec1n t\u1ea3ng gi\u00e1o d\u1ee5c v\u00e0 con \u0111\u01b0\u1eddng ngh\u1ec1 nghi\u1ec7p c\u1ee7a m\u00ecnh?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Anh t\u1ed1t nghi\u1ec7p Ng\u00e0nh X\u1eed l\u00fd Th\u00f4ng tin c\u1ee7a \u0110\u1ea1i h\u1ecdc Kinh t\u1ebf n\u0103m 2003. L\u00fac \u0111\u00f3, anh ch\u01b0a h\u00ecnh dung m\u00ecnh s\u1ebd l\u00e0m c\u00f4ng vi\u1ec7c g\u00ec, ch\u1ec9 bi\u1ebft l\u00e0 m\u00ecnh s\u1ebd l\u00e0m nh\u1eefng th\u1ee9 li\u00ean quan \u0111\u1ebfn ph\u1ea7n m\u1ec1m, tin h\u1ecdc.<\/p>\n<p>C\u00f4ng vi\u1ec7c \u0111\u1ea7u ti\u00ean c\u1ee7a anh sau khi ra tr\u01b0\u1eddng l\u00e0 l\u00e0m Nh\u00e2n vi\u00ean Tri\u1ec3n khai cho C\u00f4ng ty Ph\u1ea7n m\u1ec1m K\u1ebf to\u00e1n Effect. Nhi\u1ec7m v\u1ee5 c\u1ee7a anh l\u00e0 c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m cho kh\u00e1ch h\u00e0ng (c\u00e1c doanh nghi\u1ec7p) v\u00e0 h\u01b0\u1edbng d\u1eabn h\u1ecd s\u1eed d\u1ee5ng c\u00e1c ch\u1ee9c n\u0103ng c\u1ee7a ph\u1ea7n m\u1ec1m n\u00e0y.<\/p>\n<p>C\u00f4ng vi\u1ec7c n\u00e0y gi\u00fap anh c\u00f3 nhi\u1ec1u ki\u1ebfn th\u1ee9c v\u1ec1 nghi\u1ec7p v\u1ee5 k\u1ebf to\u00e1n v\u00e0 k\u1ef9 n\u0103ng giao ti\u1ebfp \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3. Tuy nhi\u00ean, sau 8 th\u00e1ng th\u00ec anh ngh\u1ec9, v\u00ec l\u00e0 d\u00e2n k\u1ef9 thu\u1eadt v\u00e0 m\u1edbi ra tr\u01b0\u1eddng n\u00ean anh c\u1ea7n b\u1ed5 sung ki\u1ebfn th\u1ee9c chuy\u00ean ng\u00e0nh nhi\u1ec1u h\u01a1n n\u1eefa.<\/p>\n<p>\u0110\u1ea7u n\u0103m 2004, anh chuy\u1ec3n qua DigiNet v\u1edbi v\u1ecb tr\u00ed Database Developer.<\/p>\n<p>\u0110\u1ebfn gi\u1eefa n\u0103m 2007, anh \u0111\u1ea7u qu\u00e2n cho VON \u2013 c\u00f4ng ty qu\u1ea3n l\u00fd trang kiemviec.com, m\u1ea1ng x\u00e3 h\u1ed9i yume.vn, v\u00e0 m\u1ed9t s\u1ed1 website kh\u00e1c.<\/p>\n<p>Anh b\u1eaft \u0111\u1ea7u t\u1ea1i VON v\u1edbi v\u1ecb tr\u00ed Database Developer. \u0110\u00e2y l\u00e0 c\u00f4ng vi\u1ec7c \u0111\u1ea7u ti\u00ean cho anh c\u01a1 h\u1ed9i ti\u1ebfp c\u1eadn Oracle, m\u1ed9t h\u1ec7 qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u n\u1ed5i ti\u1ebfng.<\/p>\n<p>Anh th\u00edch Oracle v\u00ec n\u00f3 cung c\u1ea5p nhi\u1ec1u gi\u1ea3i ph\u00e1p t\u1ed1t. V\u00ed d\u1ee5, ch\u1ee9c n\u0103ng Active Data Guard c\u1ee7a Oracle cho ph\u00e9p m\u00ecnh thi\u1ebft l\u1eadp server d\u1ef1 ph\u00f2ng \u0111\u1ed3ng b\u1ed9 theo th\u1eddi gian th\u1ef1c v\u00e0 cho ph\u00e9p m\u1edf database l\u00ean \u0111\u1ec3 truy xu\u1ea5t d\u1eef li\u1ec7u.<\/p>\n<p>Khi l\u00e0m Database Developer \u1edf VON, c\u00f4ng vi\u1ec7c ch\u00ednh c\u1ee7a anh l\u00e0 \u0111\u1ecdc t\u00e0i li\u1ec7u ph\u00e2n t\u00edch t\u1eeb b\u1ed9 ph\u1eadn Business Analyst r\u1ed3i t\u1ea1o table trong database \u0111\u1ec3 ch\u1ee9a d\u1eef li\u1ec7u ph\u1ee5c v\u1ee5 cho c\u00e1c ch\u1ee9c n\u0103ng m\u00e0 b\u1ed9 ph\u1eadn n\u00e0y m\u00f4 t\u1ea3.<\/p>\n<p>Anh c\u0169ng ch\u1ecbu tr\u00e1ch nhi\u1ec7m t\u1ea1o procedure\/function \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u.<\/p>\n<p>C\u00f4ng vi\u1ec7c Database Developer gi\u00fap anh bi\u1ebft c\u00e1ch design database cho m\u1ed9t \u1ee9ng d\u1ee5ng.<\/p>\n<p>Anh l\u00e0m c\u00f4ng vi\u1ec7c n\u00e0y \u0111\u01b0\u1ee3c 2 n\u0103m th\u00ec s\u1ebfp tr\u1ef1c ti\u1ebfp c\u1ee7a anh (Database Manager) r\u1eddi c\u00f4ng ty. V\u00ec v\u1eady, anh \u0111\u1ec1 xu\u1ea5t v\u1edbi s\u1ebfp \u1edf c\u1ea5p cao h\u01a1n (IT Manager) cho anh \u0111\u01b0\u1ee3c \u0111\u1ea3m nhi\u1ec7m c\u00f4ng vi\u1ec7c thay anh \u1ea5y.<\/p>\n<p>Th\u1ea5y anh l\u00e0m vi\u1ec7c t\u1ed1t v\u00e0 c\u00f3 Ch\u1ee9ng ch\u1ec9 Oracle Database 10g Administrator Certified Associate, IT Manager \u201cth\u0103ng ch\u1ee9c\u201d cho anh th\u00e0nh Database Team Leader (c\u01b0\u1eddi).<\/p>\n<blockquote><p>Xem th\u00eam <a href=\"https:\/\/itviec.com\/blog\/business-analyst\/?utm_source=blogpost&amp;utm_medium=referral&amp;utm_content=database-administrator-la-gi&amp;utm_campaign=con-duong-su-nghiep-it\" target=\"_blank\" rel=\"noopener noreferrer\">Business Analyst l\u00e0 g\u00ec?<\/a><\/p>\n<p>Xem th\u00eam <a href=\"https:\/\/itviec.com\/blog\/it-manager-cong-viec\/?utm_source=blogpost&amp;utm_medium=referral&amp;utm_content=database-administrator-la-gi&amp;utm_campaign=con-duong-su-nghiep-it\" target=\"_blank\" rel=\"noopener noreferrer\">3 l\u00fd do b\u1ea1n kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i tr\u1edf th\u00e0nh m\u1ed9t IT Manager<\/a><\/p><\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"Anh_hoc_o_dau_de_lay_Chung_chi_Oracle\"><\/span><strong>Anh h\u1ecdc \u1edf \u0111\u00e2u \u0111\u1ebf l\u1ea5y Ch\u1ee9ng ch\u1ec9 Oracle?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Anh m\u01b0\u1ee3n t\u00e0i li\u1ec7u Oracle 10g Admin Workshop 1 (t\u00e0i li\u1ec7u pdf, \u0111\u1ec3 chu\u1ea9n b\u1ecb cho k\u1ef3 thi l\u1ea5y ch\u1ee9ng ch\u1ec9) t\u1eeb s\u1ebfp tr\u1ef1c ti\u1ebfp c\u1ee7a anh. Anh \u1ea5y c\u0169ng l\u00e0 gi\u1ea3ng vi\u00ean t\u1ea1i Trung t\u00e2m Tin h\u1ecdc c\u1ee7a \u0110\u1ea1i h\u1ecdc Khoa h\u1ecdc T\u1ef1 nhi\u00ean TP.HCM n\u00ean c\u00f3 t\u00e0i li\u1ec7u n\u00e0y.<\/p>\n<p>B\u1ea1n c\u00f3 th\u1ec3 mua t\u00e0i li\u1ec7u n\u00e0y tr\u00ean trang web ch\u00ednh th\u1ee9c c\u1ee7a Oracle. Ho\u1eb7c n\u1ebfu b\u1ea1n luy\u1ec7n thi l\u1ea5y Ch\u1ee9ng ch\u1ec9 Oracle Database 10g Administrator Certified Associate t\u1ea1i c\u00e1c \u0111\u1ed1i t\u00e1c c\u1ee7a Oracle (nh\u01b0 Trung t\u00e2m Tin h\u1ecdc anh v\u1eeba nh\u1eafc t\u1edbi), b\u1ea1n s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c t\u00e0i li\u1ec7u n\u00e0y.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cong_viec_cu_the_cua_anh_o_vi_tri_moi_Database_Team_Leader_la_gi\"><\/span><strong>C\u00f4ng vi\u1ec7c c\u1ee5 th\u1ec3 c\u1ee7a anh \u1edf v\u1ecb tr\u00ed m\u1edbi, Database Team Leader, l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>V\u1edbi v\u1ecb tr\u00ed Database Team Leader \u1edf VON, tr\u00e1ch nhi\u1ec7m c\u1ee7a anh l\u00e0 \u0111\u1ecbnh h\u01b0\u1edbng c\u00f4ng vi\u1ec7c cho team, v\u00ed d\u1ee5 nh\u01b0 quy\u1ebft \u0111\u1ecbnh l\u00e0 y\u00eau c\u1ea7u n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c x\u00e2y tr\u00ean server n\u00e0o, v\u00e0 giao cho ng\u01b0\u1eddi n\u00e0o trong team l\u00e0m th\u00ec h\u1ee3p l\u00fd.<\/p>\n<p>Ngo\u00e0i ra, anh c\u0169ng h\u1ed7 tr\u1ee3 c\u00e1c b\u1ea1n trong team v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Anh_co_the_ke_ve_hanh_trinh_nghe_nghiep_tiep_theo\"><\/span><strong>Anh c\u00f3 th\u1ec3 k\u1ec3 v\u1ec1 h\u00e0nh tr\u00ecnh ngh\u1ec1 nghi\u1ec7p ti\u1ebfp theo?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Cu\u1ed1i 2011, anh gia nh\u1eadp <a href=\"https:\/\/itviec.com\/nha-tuyen-dung\/vng-corporation?utm_source=blogpost&amp;utm_medium=jobs&amp;utm_content=database-administrator-la-gi&amp;utm_campaign=con-duong-su-nghiep-it\" target=\"_blank\" rel=\"noopener noreferrer\">VNG<\/a> v\u00e0 l\u00e0m c\u00f4ng vi\u1ec7c Senior DBA. \u1ede VNG, anh \u0111\u01b0\u1ee3c h\u1ecdc th\u00eam v\u1ec1 network, firewall, security, v\u00e0 nhi\u1ec1u th\u1ee9 kh\u00e1c n\u1eefa.<\/p>\n<p>Nh\u1eefng ki\u1ebfn th\u1ee9c n\u00e0y gi\u00fap anh h\u1ee3p t\u00e1c v\u1edbi c\u00e1c team nh\u01b0 network v\u00e0 infrastructure t\u1ed1t h\u01a1n.<\/p>\n<p>\u0110\u1ebfn cu\u1ed1i 2014, anh chuy\u1ec3n sang <a href=\"https:\/\/itviec.com\/nha-tuyen-dung\/aaa-assurance-corporation?utm_source=blogpost&amp;utm_medium=jobs&amp;utm_content=database-administrator-la-gi&amp;utm_campaign=con-duong-su-nghiep-it\" target=\"_blank\" rel=\"noopener noreferrer\">B\u1ea3o hi\u1ec3m AAA<\/a> v\u00e0 ti\u1ebfp t\u1ee5c c\u00f4ng vi\u1ec7c Senior DBA.<\/p>\n<p>Th\u00e1ng 5\/2017, anh \u0111\u1ea7u qu\u00e2n cho VietBank, l\u00e0m v\u1ecb tr\u00ed DBA Team Leader cho \u0111\u1ebfn nay.<\/p>\n<p>Th\u1ef1c s\u1ef1 th\u00ec l\u00e0m vi\u1ec7c cho ng\u00e2n h\u00e0ng l\u00e0 m\u01a1 \u01b0\u1edbc c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c DBA, v\u00ec database c\u1ee7a ng\u00e2n h\u00e0ng l\u1edbn h\u01a1n database c\u1ee7a c\u00e1c c\u00f4ng ty r\u1ea5t nhi\u1ec1u.<\/p>\n<p>Khi l\u00e0m vi\u1ec7c cho ng\u00e2n h\u00e0ng, m\u00ecnh \u0111\u01b0\u1ee3c ti\u1ebfp c\u1eadn v\u1edbi l\u01b0\u1ee3ng user l\u1edbn, h\u1ec7 th\u1ed1ng l\u1edbn, n\u00ean kh\u1ed1i l\u01b0\u1ee3ng l\u1ec7nh c\u0169ng s\u1ebd nhi\u1ec1u. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap m\u00ecnh n\u00e2ng cao tay ngh\u1ec1 DBA v\u00ec m\u00ecnh bu\u1ed9c ph\u1ea3i vi\u1ebft l\u1ea1i c\u00e2u l\u1ec7nh, c\u1ea5u h\u00ecnh l\u1ea1i h\u1ec7 th\u1ed1ng, rebuild index, v\u00e0 l\u00e0m nhi\u1ec1u th\u1ee9 kh\u00e1c n\u1eefa \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng v\u1eadn h\u00e0nh t\u1ed1t.<\/p>\n<blockquote><p><a href=\"https:\/\/itviec.com\/viec-lam-it\/database-administrator\/ho-chi-minh-hcm?utm_source=blogpost&amp;utm_medium=center_post&amp;utm_campaign=linktosite\" target=\"_blank\" rel=\"noopener noreferrer\">Vi\u1ec7c l\u00e0m\u00a0Database Administrator t\u1ea1i TP. HCM<\/a><\/p>\n<p><a href=\"https:\/\/itviec.com\/viec-lam-it\/database-administrator\/ha-noi?utm_source=blogpost&amp;utm_medium=center_post&amp;utm_campaign=linktosite\" target=\"_blank\" rel=\"noopener noreferrer\">Vi\u1ec7c l\u00e0m\u00a0Database Administrator t\u1ea1i H\u00e0 N\u1ed9i<\/a><\/p><\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"Quan_tri_co_so_du_lieu_Database_Administrator_la_lam_gi_vay_anh\"><\/span><strong>Qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u Database Administrator l\u00e0 l\u00e0m g\u00ec v\u1eady anh?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u Database Administrator (DBA) l\u00e0 ng\u01b0\u1eddi ch\u1ecbu tr\u00e1ch nhi\u1ec7m qu\u1ea3n tr\u1ecb v\u00e0 v\u1eadn h\u00e0nh c\u00e1c ho\u1ea1t \u0111\u1ed9ng li\u00ean quan \u0111\u1ebfn c\u01a1 s\u1edf d\u1eef li\u1ec7u nh\u01b0 l\u00ean k\u1ebf ho\u1ea1ch, c\u00e0i \u0111\u1eb7t, c\u1ea5u h\u00ecnh, t\u1ed1i \u01b0u, backup, security, v.v. nh\u1eb1m \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng lu\u00f4n s\u1eb5n s\u00e0ng cho ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Can_phai_trai_qua_nhung_vi_tri_nao_de_tro_thanh_DBA\"><\/span><strong>C\u1ea7n ph\u1ea3i tr\u1ea3i qua nh\u1eefng v\u1ecb tr\u00ed n\u00e0o \u0111\u1ec3 tr\u1edf th\u00e0nh DBA?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Th\u01b0\u1eddng th\u00ec career path c\u1ee7a DBA s\u1ebd nh\u01b0 th\u1ebf n\u00e0y: <a href=\"https:\/\/itviec.com\/viec-lam-it\/database-developer?utm_source=blogpost&amp;utm_medium=center_post&amp;utm_campaign=linktosite\" target=\"_blank\" rel=\"noopener noreferrer\">Database Developer<\/a>-&gt; <a href=\"https:\/\/itviec.com\/viec-lam-it\/database-administrator?utm_source=blogpost&amp;utm_medium=center_post&amp;utm_campaign=linktosite\" target=\"_blank\" rel=\"noopener noreferrer\">Qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u Database Administrator<\/a>-&gt; Database Administrator Team Leader.<\/p>\n<p>Database Administrator Team Leader l\u00e0 v\u1ecb tr\u00ed cao nh\u1ea5t m\u00e0 DBA c\u00f3 th\u1ec3 th\u0103ng ti\u1ebfn.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Theo_anh_cac_ky_nang_va_to_chat_quan_trong_nhat_de_tro_thanh_DBA_la_gi\"><\/span><strong>Theo anh, c\u00e1c k\u1ef9 n\u0103ng v\u00e0 t\u1ed1 ch\u1ea5t quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 tr\u1edf th\u00e0nh DBA l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Th\u1eadt ra l\u00e0m DBA th\u00ec quan tr\u1ecdng nh\u1ea5t l\u00e0 <strong>kinh nghi\u1ec7m<\/strong>. V\u00ec khi g\u1eb7p s\u1ef1 c\u1ed1, DBA \u0111\u01b0\u1ee3c mong \u0111\u1ee3i l\u00e0 s\u1ebd x\u1eed l\u00fd t\u00ecnh hu\u1ed1ng c\u00e0ng nhanh c\u00e0ng t\u1ed1t. L\u00fac \u0111\u00f3 kh\u00f4ng c\u00f3 th\u1eddi gian \u0111\u1ec3 m\u00ecnh nghi\u00ean c\u1ee9u. N\u1ebfu m\u00ecnh kh\u00f4ng x\u1eed l\u00fd \u0111\u01b0\u1ee3c, m\u00ecnh ph\u1ea3i nh\u1edd h\u1ed7 tr\u1ee3 t\u1eeb ch\u00ednh h\u00e3ng cung c\u1ea5p ph\u1ea7n m\u1ec1m database.<\/p>\n<p><strong> 1.<\/strong> C\u00f2n k\u1ef9 n\u0103ng th\u00ec anh ngh\u0129 <strong>ngo\u00e0i ki\u1ebfn th\u1ee9c v\u1ec1 qu\u1ea3n tr\u1ecb database<\/strong> m\u00ecnh c\u00f2n ph\u1ea3i bi\u1ebft <strong>SQL<\/strong>, <strong>h\u1ec7 \u0111i\u1ec1u h\u00e0nh (Linux, AIX, &#8230;)<\/strong>. T\u1ed1t h\u01a1n n\u1eefa l\u00e0 bi\u1ebft v\u1ec1 <strong>hardware v\u00e0 network<\/strong>.<\/p>\n<p>V\u00ed d\u1ee5, n\u1ebfu m\u00ecnh bi\u1ebft SQL th\u00ec m\u00ecnh m\u1edbi c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 team Software Developer trong vi\u1ec7c ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng ho\u1eb7c tinh ch\u1ec9nh c\u00e2u l\u1ec7nh cho h\u1ec7 th\u1ed1ng ch\u1ea1y nhanh h\u01a1n.<\/p>\n<p><strong>2. T\u00ednh c\u1ea9n th\u1eadn<\/strong>. Tr\u01b0\u1edbc khi l\u00e0m b\u1ea5t k\u1ef3 thay \u0111\u1ed5i n\u00e0o c\u0169ng ph\u1ea3i c\u00f3 k\u1ecbch b\u1ea3n backup cho tr\u01b0\u1eddng h\u1ee3p fail.<\/p>\n<p>Ch\u1eb3ng h\u1ea1n nh\u01b0 tr\u01b0\u1edbc khi x\u00f3a d\u1eef li\u1ec7u, m\u00ecnh ph\u1ea3i l\u01b0u d\u1eef li\u1ec7u c\u0169 l\u1ea1i. N\u1ebfu ch\u1eb3ng may c\u00f3 sai s\u00f3t g\u00ec th\u00ec c\u00f2n d\u1eef li\u1ec7u c\u0169 \u0111\u1ec3 ph\u1ee5c h\u1ed3i.<\/p>\n<p><strong>3. Ch\u1ecbu kh\u00f3 \u0111\u1ecdc t\u00e0i li\u1ec7u v\u1ec1 database<\/strong> \u0111\u1ec3 bi\u1ebft th\u00eam nh\u1eefng <strong>c\u00f4ng ngh\u1ec7\/t\u00ednh n\u0103ng c\u1ee7a H\u1ec7 qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/strong> m\u00ecnh \u0111ang d\u00f9ng. Ki\u1ebfn th\u1ee9c n\u00e0y s\u1ebd gi\u00fap m\u00ecnh x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u ph\u00e1t sinh trong c\u00f4ng vi\u1ec7c t\u1ed1t h\u01a1n.<\/p>\n<p>V\u00ed d\u1ee5, n\u1ebfu c\u00f4ng ty b\u1ea1n s\u1eed d\u1ee5ng Oracle, b\u1ea1n n\u00ean \u0111\u1ecdc c\u00e1c b\u00e0i vi\u1ebft v\u00e0 t\u00e0i li\u1ec7u tr\u00ean 2 website ch\u00ednh th\u1ee9c c\u1ee7a h\u00e3ng n\u00e0y (<a href=\"http:\/\/oracle-base.com\" target=\"_blank\" rel=\"noopener noreferrer\">oracle-base.com<\/a> and <a href=\"https:\/\/docs.oracle.com\/database\/121\/index.html\" target=\"_blank\" rel=\"noopener noreferrer\">docs.oracle.com\/database\/121\/index.html<\/a>).<\/p>\n<p>V\u00e0 ch\u1eb3ng h\u1ea1n nh\u1edd \u0111\u1ecdc 2 trang n\u00e0y, b\u1ea1n bi\u1ebft \u0111\u01b0\u1ee3c Oracle c\u00f3 m\u1ed9t t\u00ednh n\u0103ng hay ho l\u00e0 Virtual Private Data. Khi bi\u1ebft t\u00ednh n\u0103ng n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111\u1ec3 ph\u00e2n quy\u1ec1n truy c\u1eadp d\u1ec5 h\u01a1n. Ch\u1eb3ng h\u1ea1n nh\u01b0 user1 \u0111\u01b0\u1ee3c \u0111\u1ecdc d\u1eef li\u1ec7u c\u1ee7a ph\u00f2ng ban A, user2 \u0111\u01b0\u1ee3c \u0111\u1ecdc d\u1eef li\u1ec7u c\u1ee7a ph\u00f2ng ban B.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Anh_co_the_ke_ve_mot_ngay_lam_viec_cua_minh\"><\/span><strong>Anh c\u00f3 th\u1ec3 k\u1ec3 v\u1ec1 m\u1ed9t ng\u00e0y l\u00e0m vi\u1ec7c c\u1ee7a m\u00ecnh?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Anh b\u1eaft \u0111\u1ea7u m\u1ed9t ng\u00e0y b\u1eb1ng vi\u1ec7c ki\u1ec3m tra h\u1ec7 th\u1ed1ng xem n\u00f3 c\u00f3 b\u1ecb l\u1ed7i hay b\u1ecb ch\u1eadm kh\u00f4ng.<\/p>\n<p>N\u1ebfu h\u1ec7 th\u1ed1ng b\u1ecb l\u1ed7i, anh s\u1ebd t\u00ecm b\u1ea3n v\u00e1 \u0111\u1ec3 s\u1eeda l\u1ed7i. N\u1ebfu h\u1ec7 th\u1ed1ng b\u1ecb ch\u1eadm, b\u1ecb gi\u1ea3m hi\u1ec7u n\u0103ng, anh s\u1ebd \u0111\u1ec1 xu\u1ea5t team Software Developer tinh ch\u1ec9nh c\u00e2u l\u1ec7nh.<\/p>\n<p>Sau \u0111\u00f3 anh s\u1ebd th\u1ef1c hi\u1ec7n nh\u1eefng y\u00eau c\u1ea7u t\u1eeb c\u00e1c ph\u00f2ng ban kh\u00e1c g\u1eedi l\u00ean. Ch\u1eb3ng h\u1ea1n nh\u01b0 set up database server m\u1edbi \u0111\u1ec3 ph\u1ee5c v\u1ee5 vi\u1ec7c ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng m\u1edbi. Ho\u1eb7c \u0111\u01b0a code m\u1edbi l\u00ean database \u0111\u1ec3 go live m\u1ed9t t\u00ednh n\u0103ng m\u1edbi hay s\u1eeda l\u1ed7i cho m\u1ed9t \u1ee9ng d\u1ee5ng.<\/p>\n<p>Ngo\u00e0i ra, anh l\u00e0m nh\u1eefng vi\u1ec7c \u0111\u1ecbnh k\u1ef3. Ch\u1eb3ng h\u1ea1n nh\u01b0 h\u00e0ng th\u00e1ng s\u1ebd xem b\u00e1o c\u00e1o l\u1ecbch s\u1eed truy c\u1eadp h\u1ec7 th\u1ed1ng v\u00e0 ki\u1ec3m th\u1eed c\u00e1c b\u1ea3n sao l\u01b0u d\u1ef1 ph\u00f2ng.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-14825 size-large\" src=\"\/\/itviec.com\/blog\/wp-content\/uploads\/2018\/04\/hai-dba-640x480.jpg\" alt=\"C\u00f4ng vi\u1ec7c c\u1ee7a m\u1ed9t nh\u00e2n vi\u00ean qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u\" width=\"640\" height=\"480\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2018\/04\/hai-dba.jpg 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2018\/04\/hai-dba-300x225.jpg 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2018\/04\/hai-dba-768x576.jpg 768w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2018\/04\/hai-dba-200x150.jpg 200w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p style=\"text-align: center;\"><em>Anh H\u1ea3i (\u0111\u1ee9ng th\u1ee9 2, t\u1eeb tr\u00e1i sang) ch\u1ee5p \u1ea3nh c\u00f9ng \u0111\u1ed3ng nghi\u1ec7p ph\u00f2ng IT t\u1ea1i VietBank\u00a0<\/em><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Sai_lam_%E2%80%9Cnho_doi%E2%80%9D_anh_tung_mac_phai_trong_cong_viec_DBA_la_gi\"><\/span><strong>Sai l\u1ea7m \u201cnh\u1edb \u0111\u1eddi\u201d anh t\u1eebng m\u1eafc ph\u1ea3i trong c\u00f4ng vi\u1ec7c DBA l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sai l\u1ea7m l\u1edbn nh\u1ea5t trong ngh\u1ec1 Qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u Database Administrator c\u1ee7a anh x\u1ea3y ra \u1edf c\u00f4ng ty c\u0169, khi anh m\u1edbi l\u00e0m DBA \u0111\u01b0\u1ee3c 3 th\u00e1ng.<\/p>\n<p>L\u00fac \u0111\u00f3 anh r\u1ea5t h\u00e1o h\u1ee9c v\u00ec \u0111\u01b0\u1ee3c b\u01b0\u1edbc v\u00e0o \u201cth\u1ebf gi\u1edbi\u201d DBA, \u0111\u01b0\u1ee3c \u0111\u00e0o s\u00e2u nghi\u00ean c\u1ee9u v\u1ec1 qu\u1ea3n tr\u1ecb database, v\u1ec1 server, v.v.<\/p>\n<p>M\u1ed9t bu\u1ed5i s\u00e1ng s\u1edbm n\u1ecd, l\u00fac 5 gi\u1edd, anh \u0111ang ng\u1ee7 th\u00ec nh\u1eadn \u0111\u01b0\u1ee3c cu\u1ed9c g\u1ecdi t\u1eeb data center b\u00e1o l\u00e0 h\u1ec7 th\u1ed1ng l\u1ea1nh ngay ch\u1ed7 c\u00f4ng ty anh thu\u00ea \u0111\u1eb7t server b\u1ecb h\u01b0, n\u00ean c\u00f3 th\u1ec3 server c\u0169ng b\u1ecb h\u01b0 lu\u00f4n.<\/p>\n<p>Anh l\u1eadt \u0111\u1eadt x\u00e1ch xe ch\u1ea1y v\u00e0o data center, \u0111\u0129a (local disk) c\u00f2n nh\u01b0ng \u0111\u00e8n \u0111\u1ecf l\u00e9t r\u1ed3i. Anh b\u1ea5m n\u00fat ngu\u1ed3n \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng l\u1ea1i server m\u00e0 kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u g\u00ec.<\/p>\n<p>Anh ngh\u0129: \u201cTh\u00f4i ch\u1ebft r\u1ed3i, server h\u01b0 ph\u1ea7n c\u1ee9ng lu\u00f4n r\u1ed3i.\u201d<\/p>\n<p>Anh v\u1eeba g\u1ecdi \u0111i\u1ec7n cho s\u1ebfp anh (Technical Architect) m\u00e0 v\u1eeba run.<\/p>\n<p>S\u1ebfp anh th\u00ec r\u1ea5t b\u00ecnh t\u0129nh. Sau m\u1ed9t h\u1ed3i h\u1ecfi han n\u1eafm \u0111\u01b0\u1ee3c t\u00ecnh h\u00ecnh, \u1ea3nh n\u00f3i: \u201cGi\u1edd em ph\u1ea3i g\u1ecdi \u0111i\u1ec7n cho chuy\u00ean vi\u00ean qu\u1ea3n l\u00fd h\u1ea1 t\u1ea7ng (c\u1ee7a c\u00f4ng ty), nh\u1edd b\u1ea1n \u0111\u00f3 t\u00ecm server kh\u00e1c d\u00f9ng t\u1ea1m, l\u1ea5y d\u1eef li\u1ec7u m\u00ecnh \u0111\u00e3 l\u01b0u d\u1ef1 ph\u00f2ng \u0111\u00eam qua b\u1ecf v\u00f4 \u0111\u1ec3 d\u1ef1ng server l\u00ean l\u1ea1i.\u201d<\/p>\n<p>Anh l\u1eadp t\u1ee9c g\u1ecdi ng\u01b0\u1eddi qu\u1ea3n l\u00fd h\u1ea1 t\u1ea7ng. B\u1ea1n \u0111\u00f3 b\u1ea3o anh c\u00f3 th\u1ec3 l\u1ea5y server d\u00f9ng \u0111\u1ec3 ki\u1ec3m th\u1eed (\u0111\u00e2y l\u00e0 server d\u00f9ng \u0111\u1ec3 ki\u1ec3m tra c\u00e1c ch\u1ee9c n\u0103ng tr\u01b0\u1edbc khi release cho ng\u01b0\u1eddi d\u00f9ng) d\u00f9ng t\u1ea1m.<\/p>\n<p>Anh lao v\u00e0o d\u1ef1ng l\u1ea1i server \u0111\u1ec3 ph\u1ee5c h\u1ed3i h\u1ec7 th\u1ed1ng. Anh kh\u00f4ng ngh\u0129 t\u1edbi chuy\u1ec7n \u0103n s\u00e1ng hay \u0103n tr\u01b0a g\u00ec h\u1ebft. Sau \u0111\u00f3 h\u00ecnh nh\u01b0 c\u00f3 ai mua c\u00e1i g\u00ec \u0111\u1ec3 l\u00ean b\u00e0n anh r\u1ed3i anh \u0103n th\u00f4i ch\u1ee9 anh c\u0169ng kh\u00f4ng nh\u1edb l\u00e0 anh \u0111\u00e3 \u0103n g\u00ec.<\/p>\n<p>Ph\u1ea3i m\u1ea5t g\u1ea7n 8 ti\u1ebfng anh m\u1edbi x\u1eed l\u00fd xong. Th\u1ef1c s\u1ef1 th\u00ec v\u1edbi m\u1ed9t h\u1ec7 th\u1ed1ng nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng m\u00e0 m\u1ea5t nhi\u1ec1u th\u1eddi gian nh\u01b0 v\u1eady l\u00e0 kh\u00f4ng th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n<p>Xong vi\u1ec7c \u0111\u00f3, anh em IT h\u1ecdp v\u1edbi s\u1ebfp t\u1ed5ng. S\u1ebfp c\u1ee7a anh c\u0169ng \u0111\u1ee1 cho anh r\u1ea5t nhi\u1ec1u.<\/p>\n<p>\u1ea2nh gi\u1ea3i th\u00edch v\u1edbi s\u1ebfp t\u1ed5ng l\u00e0 h\u1ec7 th\u1ed1ng l\u1ea1nh c\u1ee7a data center b\u1ecb h\u01b0 n\u00ean m\u1edbi x\u1ea3y ra s\u1ef1 c\u1ed1 l\u1edbn nh\u01b0 v\u1eady, v\u00ec server kh\u00f3 ch\u1ebft l\u1eafm. Th\u01b0\u1eddng n\u1ebfu h\u01b0 m\u1ed9t \u0111\u0129a s\u1ebd c\u00f2n \u0111\u0129a kia, \u0111\u1eb1ng n\u00e0y h\u1ec7 th\u1ed1ng l\u1ea1nh b\u1ecb h\u01b0 n\u00ean nhi\u1ec7t \u0111\u1ed9 t\u0103ng cao l\u00e0m h\u1ecfng c\u1ea3 server.<\/p>\n<p>Sau \u0111\u00f3, b\u00ean data center \u0111\u1ec1n b\u00f9 cho c\u00f4ng ty anh b\u1eb1ng ti\u1ec1n nh\u01b0 trong h\u1ee3p \u0111\u1ed3ng.<\/p>\n<p>Nh\u01b0ng v\u1ea5n \u0111\u1ec1 c\u1ee7a anh l\u00e0 anh \u0111\u00e3 m\u1ea5t qu\u00e1 nhi\u1ec1u th\u1eddi gian \u0111\u1ec3 kh\u1eafc ph\u1ee5c h\u1ec7 th\u1ed1ng. L\u00fd do l\u00e0 anh \u0111\u00e3 kh\u00f4ng x\u00e2y d\u1ef1ng backup server. \u0110\u00e2y l\u00e0 m\u1ed9t sai l\u1ea7m r\u1ea5t l\u1edbn!<\/p>\n<p>L\u1ea7n \u0111\u00f3, anh m\u1edbi nh\u1eadn nhi\u1ec7m v\u1ee5 \u0111\u01b0\u1ee3c 3 th\u00e1ng n\u00ean s\u1ebfp ch\u1ea5p nh\u1eadn l\u1ed7i. Ng\u01b0\u1eddi l\u00e0m DBA tr\u01b0\u1edbc anh \u0111\u00e3 kh\u00f4ng x\u00e2y d\u1ef1ng backup server. Nh\u01b0ng anh l\u1ebd ra n\u00ean nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c chuy\u1ec7n \u0111\u00f3 ngay khi nh\u1eadn vi\u1ec7c v\u00e0 d\u1ef1ng backup server ngay l\u1eadp t\u1ee9c. V\u00ec chuy\u1ec7n ng\u01b0\u1eddi DBA tr\u01b0\u1edbc \u0111\u00e3 l\u00e0m hay ch\u01b0a l\u00e0m kh\u00f4ng quan tr\u1ecdng, \u0111\u00f3 l\u00e0 tr\u00e1ch nhi\u1ec7m c\u1ee7a anh.<\/p>\n<p>Anh c\u0169ng hi\u1ec3u n\u1ebfu anh l\u00e0 m\u1ed9t DBA l\u00e2u n\u0103m v\u00e0o th\u1eddi \u0111i\u1ec3m \u0111\u00f3, ch\u1eafc anh \u0111\u00e3 b\u1ecb \u0111u\u1ed5i vi\u1ec7c.<\/p>\n<p>Sau s\u1ef1 c\u1ed1 \u0111\u00f3, anh d\u1ef1ng m\u1ed9t backup server ngay l\u1eadp t\u1ee9c. Anh \u0111\u1eb7t n\u00f3 \u1edf v\u1ecb tr\u00ed kh\u00e1c v\u1edbi server ch\u00ednh.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Anh_hoc_duoc_gi_tu_su_co_do\"><\/span><strong>Anh h\u1ecdc \u0111\u01b0\u1ee3c g\u00ec t\u1eeb s\u1ef1 c\u1ed1 \u0111\u00f3?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Anh r\u00fat ra b\u00e0i h\u1ecdc l\u00e0 ng\u01b0\u1eddi l\u00e0m DBA ph\u1ea3i lu\u00f4n ngh\u0129 l\u00e0 trong tr\u01b0\u1eddng h\u1ee3p h\u1ec7 th\u1ed1ng hi\u1ec7n t\u1ea1i \u1edf data center ch\u1ebft h\u1ebft th\u00ec m\u00ecnh s\u1ebd l\u00e0m g\u00ec \u0111\u1ec3 kh\u00f4i ph\u1ee5c h\u1ec7 th\u1ed1ng nhanh nh\u1ea5t c\u00f3 th\u1ec3. Ph\u1ea3i tr\u1ea3 l\u1eddi \u0111\u01b0\u1ee3c c\u00e2u n\u00e0y th\u00ec m\u1edbi an t\u00e2m \u0111\u01b0\u1ee3c. B\u1ea1n kh\u00f4ng th\u1ec3 \u0111\u1ed5 l\u1ed7i t\u1ea1i v\u00ec DBA tr\u01b0\u1edbc kh\u00f4ng l\u00e0m c\u00e1i n\u00e0y hay c\u00e1i kia. Khi b\u1ea1n l\u00e0m DBA, b\u1ea1n ph\u1ea3i ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 h\u1ec7 th\u1ed1ng.<\/p>\n<p>Hi\u1ec7n t\u1ea1i h\u1ea7u h\u1ebft c\u00e1c h\u1ec7 qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u1ec1u c\u00f3 gi\u1ea3i ph\u00e1p \u0111\u1ec3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi n\u00e0y. V\u1edbi Oracle, h\u00e3ng c\u00f3 gi\u1ea3i ph\u00e1p r\u1ea5t t\u1ed1t cho v\u1ea5n \u0111\u1ec1 \u0111\u1ea3m b\u1ea3o t\u00ednh s\u1eb5n s\u00e0ng cao cho h\u1ec7 th\u1ed1ng nh\u01b0 Cluster v\u00e0 Standby.<\/p>\n<p>Cluster cho ph\u00e9p c\u1ea5u h\u00ecnh nhi\u1ec1u server c\u00f9ng ch\u1ea1y \u0111\u1ed3ng th\u1eddi. N\u00ean khi m\u1ed9t server kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng th\u00ec h\u1ec7 th\u1ed1ng v\u1eabn ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u00e1c server c\u00f2n l\u1ea1i.<\/p>\n<p>V\u1edbi Standby, ch\u00fang ta c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng th\u00eam m\u1ed9t h\u1ec7 th\u1ed1ng backup \u1edf m\u1ed9t n\u01a1i kh\u00e1c c\u00e1ch xa (th\u01b0\u1eddng l\u00e0 \u1edf t\u1ec9nh\/th\u00e0nh ph\u1ed1 kh\u00e1c) data center (trung t\u00e2m d\u1eef li\u1ec7u ch\u00ednh). Standby r\u1ea5t th\u00edch h\u1ee3p \u0111\u1ec3 ph\u00f2ng ng\u1eeba c\u00e1c r\u1ee7i ro d\u1ea1ng th\u1ea3m h\u1ecda nh\u01b0 h\u1ecfa ho\u1ea1n, \u0111\u1ed9ng \u0111\u1ea5t, hay b\u00e3o l\u0169, v.v.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Anh_co_loi_khuyen_gi_muon_gui_toi_cac_ban_muon_tro_thanh_DBA\"><\/span><strong>Anh c\u00f3 l\u1eddi khuy\u00ean g\u00ec mu\u1ed1n g\u1eedi t\u1edbi c\u00e1c b\u1ea1n mu\u1ed1n tr\u1edf th\u00e0nh DBA?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u Database Administrator l\u00e0 m\u1ed9t ngh\u1ec1 kh\u00e1 h\u1eb9p, \u00e1p l\u1ef1c cao, d\u1ec5 nh\u00e0m ch\u00e1n. V\u00ec v\u1eady, c\u00e1c b\u1ea1n n\u00ean ngh\u0129 th\u1eadt k\u1ef9 l\u00e0 m\u00ecnh c\u00f3 th\u1ef1c s\u1ef1 y\u00eau th\u00edch qu\u1ea3n tr\u1ecb database kh\u00f4ng tr\u01b0\u1edbc khi b\u01b0\u1edbc v\u00e0o ngh\u1ec1 n\u00e0y.<\/p>\n<p>V\u1edbi ngh\u1ec1 Database Administrator, m\u00ecnh c\u00f3 th\u1ec3 b\u1ecb \u0111u\u1ed5i vi\u1ec7c trong tr\u01b0\u1eddng h\u1ee3p g\u1eb7p s\u1ef1 c\u1ed1 n\u1eb7ng.<\/p>\n<p>\u0110\u1ed1i v\u1edbi nh\u1eefng b\u1ea1n ch\u1ecdn ngh\u1ec1 Database Administrator, anh khuy\u00ean c\u00e1c b\u1ea1n lu\u00f4n sao l\u01b0u backup \u0111\u1ecbnh k\u1ef3, copy b\u1ea3n sao l\u01b0u ra m\u00e1y kh\u00e1c, v\u00e0 ki\u1ec3m th\u1eed vi\u1ec7c ph\u1ee5c h\u1ed3i t\u1eeb b\u1ea3n sao l\u01b0u \u0111\u1ecbnh k\u1ef3. Vi\u1ec7c n\u00e0y gi\u00fap c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c h\u1ec7 th\u1ed1ng trong tr\u01b0\u1eddng h\u1ee3p h\u1ec7 th\u1ed1ng g\u1eb7p s\u1ef1 c\u1ed1.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Theo_quan_sat_cua_anh_nhu_cau_tuyen_DBA_ngoai_thi_truong_co_cao_khong_Luong_vi_tri_nay_co_tot_khong\"><\/span><strong>Theo quan s\u00e1t c\u1ee7a anh, nhu c\u1ea7u tuy\u1ec3n DBA ngo\u00e0i th\u1ecb tr\u01b0\u1eddng c\u00f3 cao kh\u00f4ng? L\u01b0\u01a1ng v\u1ecb tr\u00ed n\u00e0y c\u00f3 t\u1ed1t kh\u00f4ng?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Nhu c\u1ea7u tuy\u1ec3n DBA kh\u00f4ng cao. Ch\u1ec9 nh\u1eefng c\u00f4ng ty c\u00f3 h\u1ec7 th\u1ed1ng c\u01a1 s\u1edf d\u1eef li\u1ec7u t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00f4ng ty t\u00e0i ch\u00ednh, c\u00f4ng ty ch\u1ee9ng kho\u00e1n, hay ng\u00e2n h\u00e0ng, m\u1edbi tuy\u1ec3n v\u1ecb tr\u00ed n\u00e0y.<\/p>\n<p>\u1ede nh\u1eefng c\u00f4ng ty nh\u1ecf h\u01a1n, th\u01b0\u1eddng th\u00ec System Admin s\u1ebd ki\u00eam nhi\u1ec7m lu\u00f4n c\u00f4ng vi\u1ec7c database.<\/p>\n<p>M\u1eb7t b\u1eb1ng chung v\u1ec1 <a href=\"https:\/\/itviec.com\/blog\/bao-cao-luong-it\/?utm_source=blog&amp;utm_medium=internal-link&amp;utm_campaign=salary-report-2022&amp;utm_content=dec2022\">l\u01b0\u01a1ng ng\u00e0nh c\u00f4ng ngh\u1ec7 th\u00f4ng tin<\/a> th\u00ec nh\u1eefng b\u1ea1n m\u1edbi ra tr\u01b0\u1eddng, ch\u01b0a c\u00f3 kinh nghi\u1ec7m th\u01b0\u1eddng \u0111\u01b0\u1ee3c tr\u1ea3 kho\u1ea3ng t\u1eeb 7 \u0111\u1ebfn 15 tri\u1ec7u \u0111\u1ed3ng cho v\u1ecb tr\u00ed DBA.<\/p>\n<p>L\u01b0\u01a1ng c\u1ee7a nh\u1eefng DBA c\u00f3 nhi\u1ec1u kinh nghi\u1ec7m th\u01b0\u1eddng dao \u0111\u1ed9ng \u1edf m\u1ee9c tr\u00ean 15 tri\u1ec7u \u0111\u1ebfn 25 tri\u1ec7u.<\/p>\n<p>C\u00e1c <a href=\"https:\/\/itviec.com\/viec-lam-it\/database-administrator?utm_source=blogpost&amp;utm_medium=center_post&amp;utm_campaign=linktosite\" target=\"_blank\" rel=\"noopener noreferrer\">DBA gi\u1ecfi<\/a> c\u00f3 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c m\u1ee9c l\u01b0\u01a1ng tr\u00ean 25 tri\u1ec7u.<\/p>\n<blockquote><p>Xem th\u00eam: <a href=\"https:\/\/smartpro.vn\/xem-tin-tuc\/ky-vong-tuong-lai-danh-cho-cac-nha-quan-tri-co-so-du-lieu-hien-dai-19807.html\" target=\"_blank\" rel=\"noopener noreferrer\">K\u1ef3 v\u1ecdng t\u01b0\u01a1ng lai \u0111\u1ed1i v\u1edbi m\u1ed9t DBA gi\u1ecfi<\/a><\/p><\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"Nhung_resource_nao_anh_thay_co_ich_cho_nghe_DBA\"><\/span><strong>Nh\u1eefng resource n\u00e0o anh th\u1ea5y c\u00f3 \u00edch cho ngh\u1ec1 DBA?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>1.\u00a0<a href=\"https:\/\/oracle-base.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">oracle-base.com<\/a>: Website n\u00e0y c\u00f3 nhi\u1ec1u b\u00e0i vi\u1ebft c\u01a1 b\u1ea3n v\u1ec1 H\u1ec7 qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u Oracle, bao g\u1ed3m vi\u1ec7c c\u00e0i \u0111\u1eb7t, r\u1ea5t b\u1ed5 \u00edch cho nh\u1eefng b\u1ea1n m\u1edbi b\u1eaft \u0111\u1ea7u l\u00e0m DBA.<\/p>\n<p>2.\u00a0<a href=\"https:\/\/docs.oracle.com\/database\/121\/index.html\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/docs.oracle.com\/database\/121\/index.html<\/a>: \u0110\u00e2y l\u00e0 trang t\u00e0i li\u1ec7u ch\u00ednh th\u1ee9c c\u1ee7a Oracle, n\u01a1i b\u1ea1n c\u00f3 th\u1ec3 nghi\u00ean c\u1ee9u, tham kh\u1ea3o m\u1ecdi th\u1ee9 v\u1ec1 Oracle database, t\u1eeb c\u00e0i \u0111\u1eb7t v\u00e0 qu\u1ea3n tr\u1ecb \u0111\u1ebfn c\u00e1c ch\u1ee9c n\u0103ng m\u1edf r\u1ed9ng.<\/p>\n<p>B\u1ea1n c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c t\u00e0i li\u1ec7u n\u00e0y sau khi \u0111\u00e3 n\u1eafm ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 Oracle qua trang oracle-base.com.<\/p>\n<p>3.\u00a0<a href=\"https:\/\/www.amazon.com\/Linux-Recipes-Oracle-DBAs-Problem-solution\/dp\/1430215755\" target=\"_blank\" rel=\"noopener noreferrer\">Linux Recipes for Oracle DBAs<\/a> c\u1ee7a Darl Kuhn, Charles Kim, v\u00e0 Bernard Lopuz: M\u1ed9t cu\u1ed1n s\u00e1ch hay v\u00e0 r\u1ea5t d\u1ec5 hi\u1ec3u v\u1ec1 c\u00e1c l\u1ec7nh Linux v\u00e0 nh\u1eefng task d\u00e0nh cho DBA nh\u01b0 backup, restore, v.v.<\/p>\n<p><em>C\u1ea3m \u01a1n anh H\u1ea3i \u0111\u00e3 chia s\u1ebb nh\u1eefng tr\u1ea3i nghi\u1ec7m v\u1ec1 ngh\u1ec1 Qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u Database Administrator c\u1ee7a m\u00ecnh. Ch\u00fac anh th\u00e0nh c\u00f4ng h\u01a1n n\u1eefa trong s\u1ef1 nghi\u1ec7p!<\/em><\/p>\n<p><em>C\u1ea3m \u01a1n ITviec!<\/em><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5668\" src=\"\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2-200x200.png\" alt=\"Robby2\" width=\"150\" height=\"150\" srcset=\"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, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2.png 300w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/p>\n<p><strong>N\u1ebfu b\u1ea1n ngh\u0129 nh\u1eefng chia s\u1ebb n\u00e0y c\u00f3 th\u1ec3 gi\u00fap \u00edch cho b\u1ea1n b\u00e8 ho\u1eb7c \u0111\u1ed3ng nghi\u1ec7p, \u0111\u1eebng qu\u00ean nh\u1ea5n n\u00fat Share b\u00ean d\u01b0\u1edbi nh\u00e9!<\/strong><\/p>\n<p style=\"text-align: center;\"><strong>V\u00e0 \u0111\u1eebng qu\u00ean tham kh\u1ea3o\u00a0<a href=\"https:\/\/itviec.com\/viec-lam-it\/database-administrator?utm_source=blogpost&amp;utm_medium=end_post&amp;utm_campaign=linktosite\" target=\"_blank\" rel=\"noopener noreferrer\">vi\u1ec7c l\u00e0m Database Administrator<\/a>\u00a0t\u1ea1i ITviec!<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Database Administrator (DBA) l\u00e0 g\u00ec? DBA l\u00e0 ng\u01b0\u1eddi ch\u1ecbu tr\u00e1ch nhi\u1ec7m qu\u1ea3n tr\u1ecb v\u00e0 v\u1eadn h\u00e0nh c\u00e1c ho\u1ea1t \u0111\u1ed9ng li\u00ean quan \u0111\u1ebfn c\u01a1 s\u1edf d\u1eef li\u1ec7u nh\u01b0 l\u00ean k\u1ebf ho\u1ea1ch, c\u00e0i \u0111\u1eb7t, c\u1ea5u h\u00ecnh, t\u1ed1i \u01b0u, backup, security, v.v. nh\u1eb1m \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng lu\u00f4n s\u1eb5n s\u00e0ng cho ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp. \u0110\u1ecdc b\u00e0i ph\u1ecfng [&hellip;]<\/p>\n","protected":false},"author":72,"featured_media":14834,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[7226,94],"tags":[10149],"class_list":["post-14816","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-database","category-su-nghiep-it","tag-database-administrator"],"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>Database Administrator DBA l\u00e0 g\u00ec? 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