{"id":1603,"date":"2022-02-23T06:30:01","date_gmt":"2022-02-23T06:30:01","guid":{"rendered":"https:\/\/topviecit.vn\/blog\/?p=1603"},"modified":"2022-02-23T06:30:02","modified_gmt":"2022-02-23T06:30:02","slug":"co-so-du-lieu-la-gi","status":"publish","type":"post","link":"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/","title":{"rendered":"C\u01a1 S\u1edf D\u1eef Li\u1ec7u L\u00e0 G\u00ec? T\u00ecm Hi\u1ec3u V\u1ec1 C\u00e1c M\u00f4 H\u00ecnh C\u01a1 S\u1edf D\u1eef Li\u1ec7u"},"content":{"rendered":"\n<p>C\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef t\u01b0\u01a1ng \u0111\u1ed1i quen thu\u1ed9c v\u1edbi c\u00e1c b\u1ea1n \u0111ang h\u1ecdc v\u00e0 l\u00e0m vi\u1ec7c trong l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 th\u00f4ng tin. Tuy v\u1eady, kh\u00f4ng ph\u1ea3i ai c\u0169ng c\u00f3 hi\u1ec3u \u0111\u01b0\u1ee3c kh\u00e1i ni\u1ec7m c\u1ee7a<strong> c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec<\/strong>? N\u1ebfu b\u1ea1n c\u0169ng \u0111ang quan t\u00e2m \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 n\u00e0y, h\u00e3y c\u00f9ng <strong><a href=\"https:\/\/topviecit.vn\/\">topviecit.vn<\/a><\/strong> tham kh\u1ea3o ngay b\u00e0i vi\u1ebft \u201cC\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c m\u00f4 h\u00ecnh c\u01a1 s\u1edf d\u1eef li\u1ec7u\u201d sau \u0111\u00e2y.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 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 \" >Table of Contents<\/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:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#Co_so_du_lieu_la_gi_va_cac_thuat_ngu_lien_quan\" title=\"C\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec v\u00e0 c\u00e1c thu\u1eadt ng\u1eef li\u00ean quan\">C\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec v\u00e0 c\u00e1c thu\u1eadt ng\u1eef li\u00ean quan<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#Co_so_du_lieu_la_gi\" title=\"C\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec?\">C\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#Cac_thuat_ngu_lien_quan\" title=\"C\u00e1c thu\u1eadt ng\u1eef li\u00ean quan\">C\u00e1c thu\u1eadt ng\u1eef li\u00ean quan<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#Cac_loai_mo_hinh_co_so_du_lieu_la_gi\" title=\"C\u00e1c lo\u1ea1i m\u00f4 h\u00ecnh c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec?\">C\u00e1c lo\u1ea1i m\u00f4 h\u00ecnh c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#Network_model_%E2%80%93_mo_hinh_du_lieu_mang\" title=\"Network model \u2013 m\u00f4 h\u00ecnh d\u1eef li\u1ec7u m\u1ea1ng\">Network model \u2013 m\u00f4 h\u00ecnh d\u1eef li\u1ec7u m\u1ea1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#Hierarchical_model_%E2%80%93_mo_hinh_du_lieu_phan_cap\" title=\"Hierarchical model \u2013 m\u00f4 h\u00ecnh d\u1eef li\u1ec7u ph\u00e2n c\u1ea5p\">Hierarchical model \u2013 m\u00f4 h\u00ecnh d\u1eef li\u1ec7u ph\u00e2n c\u1ea5p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#Relational_model_%E2%80%93_mo_hinh_du_lieu_quan_he\" title=\"Relational model \u2013 m\u00f4 h\u00ecnh d\u1eef li\u1ec7u quan h\u1ec7\">Relational model \u2013 m\u00f4 h\u00ecnh d\u1eef li\u1ec7u quan h\u1ec7<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#Object_Oriented_model_%E2%80%93_mo_hinh_CSDL_huong_doi_tuong\" title=\"Object Oriented model \u2013 m\u00f4 h\u00ecnh CSDL h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng\">Object Oriented model \u2013 m\u00f4 h\u00ecnh CSDL h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Co_so_du_lieu_la_gi_va_cac_thuat_ngu_lien_quan\"><\/span><strong>C\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec v\u00e0 c\u00e1c thu\u1eadt ng\u1eef li\u00ean quan<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Co_so_du_lieu_la_gi\"><\/span><strong>C\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>D\u1eef li\u1ec7u l\u00e0 t\u1ea5t c\u1ea3 nh\u1eefng th\u00f4ng tin d\u01b0\u1edbi d\u1ea1ng \u1ea3nh, ch\u1eef vi\u1ebft, s\u1ed1, \u00e2m thanh, video ho\u1eb7c b\u1ea5t k\u1ef3 d\u1ea1ng t\u01b0\u01a1ng t\u1ef1 n\u00e0o. V\u1eady, c\u01a1 s\u1edf d\u1eef li\u1ec7u (Database) \u2013 CSDL ch\u00ednh l\u00e0 t\u1eadp h\u1ee3p nh\u1eefng d\u1eef li\u1ec7u c\u00f3 t\u1ed5 ch\u1ee9c, c\u00e1c d\u1eef li\u1ec7u n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef, truy c\u1eadp t\u1eeb h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh. Khi CSDL ph\u1ee9c t\u1ea1p h\u01a1n, ch\u00fang \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1eb1ng c\u00e1c thi\u1ebft k\u1ebf, m\u00f4 h\u00ecnh h\u00f3a h\u00ecnh th\u1ee9c.<\/p>\n\n\n\n<p>Khi t\u00ecm hi\u1ec3u v\u1ec1 kh\u00e1i ni\u1ec7m c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 th\u1ea5y m\u1ed9t s\u1ed1 t\u00e0i li\u1ec7u \u0111\u1ecbnh ngh\u0129a r\u1eb1ng, CSDL l\u00e0 t\u1eadp h\u1ee3p c\u00e1c th\u00f4ng tin c\u00f3 t\u00ednh c\u1ea5u tr\u00fac. Tuy v\u1eady, kh\u00e1i ni\u1ec7m n\u00e0y c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng ngh\u1ec7 th\u00f4ng tin, \u0111\u01b0\u1ee3c hi\u1ec3u d\u01b0\u1edbi d\u1ea1ng t\u1eadp h\u1ee3p c\u00e1c d\u1eef li\u1ec7u li\u00ean k\u1ebft v\u00e0 l\u01b0u tr\u1eef tr\u00ean c\u00e1c thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<p>Do \u0111\u00f3, hi\u1ec3u \u0111\u01a1n gi\u1ea3n h\u01a1n, c\u01a1 s\u1edf d\u1eef li\u1ec7u ch\u00ednh l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng c\u00f3 ch\u1ee9a nhi\u1ec1u th\u00f4ng tin v\u00e0 c\u00e1c d\u1eef li\u1ec7u. Nh\u1eefng th\u00f4ng tin, d\u1eef li\u1ec7u n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef theo m\u1ed9t c\u1ea5u tr\u00fac nh\u1ea5t \u0111\u1ecbnh n\u00e0o \u0111\u00f3 \u0111\u1ec3 gi\u00fap ng\u01b0\u1eddi dung khai th\u00e1c \u0111\u01b0\u1ee3c \u0111\u00fang v\u1edbi nhu c\u1ea7u.<\/p>\n\n\n\n<p>>>>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/tensorflow-la-gi\/\">TensorFlow L\u00e0 G\u00ec? Ki\u1ebfn Th\u1ee9c Cho Ng\u01b0\u1eddi M\u1edbi B\u1eaft \u0110\u1ea7u<\/a><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-16.png\" alt=\"T\u00ecm hi\u1ec3u v\u1ec1 c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec?\" class=\"wp-image-1605\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-16.png 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-16-640x400.png 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-16-768x480.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><em>T\u00ecm hi\u1ec3u v\u1ec1 c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec?<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_thuat_ngu_lien_quan\"><\/span><strong>C\u00e1c thu\u1eadt ng\u1eef li\u00ean quan<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Trong qu\u00e1 tr\u00ecnh t\u00ecm hi\u1ec3u v\u1ec1 kh\u00e1i ni\u1ec7m c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 b\u1eaft g\u1eb7p m\u1ed9t s\u1ed1 thu\u1eadt ng\u1eef li\u00ean quan kh\u00e1c. V\u00ed d\u1ee5 nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Th\u00f4ng tin: L\u00e0 nh\u1eefng s\u1ef1 ph\u1ea3n \u00e1nh c\u1ee7a m\u1ed9t s\u1ef1 vi\u1ec7c, s\u1ef1 v\u1eadt, hi\u1ec7n t\u01b0\u1ee3ng n\u00e0o \u0111\u00f3 trong th\u1ebf gi\u1edbi kh\u00e1ch quan. N\u00f3 bao g\u1ed3m c\u1ea3 nh\u1eefng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi.<\/li><li>H\u1ec7 qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u: C\u00e1c ch\u01b0\u01a1ng tr\u00ecnh ph\u1ea7n m\u1ec1m th\u1ef1c hi\u1ec7n l\u01b0u tr\u1eef CSDL. H\u1ec7 qu\u1ea3n tr\u1ecb CSDL khi l\u01b0u tr\u1eef c\u00e1c d\u1eef li\u1ec7u c\u1ea7n \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c t\u00ednh c\u1ea5u tr\u00fac c\u1ee7a CSDL, ngo\u00e0i ra c\u1ea7n h\u1ed7 tr\u1ee3 cho vi\u1ec7c \u0111\u1ecdc, ch\u1ec9nh s\u1eeda, x\u00f3a, th\u00eam \u0111\u01b0\u1ee3c d\u1ec5 d\u00e0ng h\u01a1n.<\/li><li>C\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7: L\u00e0 nh\u1eefng CSDL s\u1ed1 d\u1ef1a tr\u00ean m\u00f4 h\u00ecnh quan h\u1ec7 c\u1ee7a d\u1eef li\u1ec7u.<\/li><li>C\u1ea5u tr\u00fac d\u1eef li\u1ec7u: L\u00e0 c\u00e1ch d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef, t\u1ed5 ch\u1ee9c c\u00f3 th\u1ee9 t\u1ef1. Nh\u1edd v\u00e0o c\u1ea5u tr\u00fac d\u1eef li\u1ec7u, h\u1ec7 qu\u1ea3n tr\u1ecb CSDL s\u1ebd \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd t\u1ed1t h\u01a1n.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_loai_mo_hinh_co_so_du_lieu_la_gi\"><\/span><strong>C\u00e1c lo\u1ea1i m\u00f4 h\u00ecnh c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Hi\u1ec7n, c\u00f3 kh\u00e1 nhi\u1ec1u m\u00f4 h\u00ecnh c\u01a1 s\u1edf d\u1eef li\u1ec7u, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o ngay m\u1ed9t s\u1ed1 m\u00f4 h\u00ecnh nh\u01b0 sau:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Network_model_%E2%80%93_mo_hinh_du_lieu_mang\"><\/span><strong>Network model \u2013 m\u00f4 h\u00ecnh d\u1eef li\u1ec7u m\u1ea1ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0110\u00e2y l\u00e0 m\u00f4 h\u00ecnh c\u01a1 s\u1edf d\u1eef li\u1ec7u m\u00e0 t\u1ea1i \u0111\u00e2y, c\u00e1c th\u1ef1c th\u1ec3 s\u1ebd \u1edf t\u1ea1i c\u00e1c \u0111\u1ec9nh, gi\u1eefa 2 \u0111\u1ec9nh v\u1edbi nhau s\u1ebd c\u00f3 c\u00e1c cung quan h\u1ec7, 1 ki\u1ec3u b\u1ea3n ghi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi c\u00e1c ki\u1ec3u b\u1ea3n ghi kh\u00e1c. M\u00f4 h\u00ecnh n\u00e0y c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u00f4 h\u00ecnh m\u1ea1ng c\u00f3 c\u1ea5u tr\u00fac d\u1eef li\u1ec7u m\u1ed9t \u0111\u1ed3 th\u1ecb h\u01b0\u1edbng.<\/p>\n\n\n\n<p>Trong Network model, 1 th\u1ef1c th\u1ec3 con c\u00f3 th\u1ec3 s\u1ebd \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi nhi\u1ec1u th\u1ef1c th\u1ec3 cha, c\u00f3 nhi\u1ec1u lo\u1ea1i \u0111\u01b0\u1eddng d\u1eabn truy c\u1eadp kh\u00e1c nhau. Nh\u1eefng \u0111\u01b0\u1eddng d\u1eabn n\u00e0y s\u1ebd truy c\u1eadp \u0111\u1ebfn 1 d\u1eef li\u1ec7u theo c\u1ea5u tr\u00fac m\u00f4 c\u1ee7a Network model \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh s\u1eb5n.<\/p>\n\n\n\n<p>M\u00f4 h\u00ecnh d\u1eef li\u1ec7u m\u1ea1ng cho ng\u01b0\u1eddi d\u00f9ng hi\u1ec3n th\u1ecb \u0111\u01b0\u1ee3c \u0111a d\u1ea1ng ng\u1eef ngh\u0129a theo b\u1ea3n ghi. Ngo\u00e0i ra, m\u00f4 h\u00ecnh CSDL n\u00e0y c\u00f2n gi\u00fap m\u00f3c n\u1ed1i, truy v\u1ea5n nhanh ch\u00f3ng c\u00e1c d\u1eef li\u1ec7u.<\/p>\n\n\n\n<p>>>>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/component-trong-reactjs-la-gi-cau-tao-va-cach-tao-ra-no\/\">Component Trong ReactJS L\u00e0 G\u00ec? C\u1ea5u T\u1ea1o V\u00e0 C\u00e1ch T\u1ea1o Ra N\u00f3<\/a><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-17.png\" alt=\"Network model \u2013 m\u00f4 h\u00ecnh d\u1eef li\u1ec7u m\u1ea1ng\" class=\"wp-image-1606\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-17.png 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-17-640x400.png 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-17-768x480.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><em>Network model \u2013 m\u00f4 h\u00ecnh d\u1eef li\u1ec7u m\u1ea1ng<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hierarchical_model_%E2%80%93_mo_hinh_du_lieu_phan_cap\"><\/span><strong>Hierarchical model \u2013 m\u00f4 h\u00ecnh d\u1eef li\u1ec7u ph\u00e2n c\u1ea5p<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Hierarchical model l\u00e0 m\u00f4 h\u00ecnh CSDL c\u00f3 l\u1ecbch s\u1eed ra \u0111\u1eddi kh\u00e1 l\u00e2u, m\u00f4 h\u00ecnh n\u00e0y b\u1eaft \u0111\u1ea7u xu\u1ea5t hi\u1ec7n t\u1eeb nh\u1eefng n\u0103m 60. M\u00f4 h\u00ecnh d\u1eef li\u1ec7u ph\u00e2n c\u1ea5p s\u1ebd bao g\u1ed3m nhi\u1ec1u n\u00fat, m\u1ed7i n\u00fat l\u00e0 m\u1ed9t th\u1ef1c th\u1ec3 nh\u1ea5t \u0111\u1ecbnh. Gi\u1eefa 2 n\u00fat s\u1ebd \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi nhau b\u1eb1ng nh\u1eefng m\u1ed1i quan h\u1ec7.<\/p>\n\n\n\n<p>M\u00f4 h\u00ecnh n\u00e0y kh\u00e1 d\u1ec5 x\u00e2y d\u1ef1ng, thao t\u00e1c v\u00e0 s\u1eed d\u1ee5ng. Hierarchical model s\u1ebd ph\u00f9 h\u1ee3p v\u1edbi ki\u1ec3u t\u1ed5 ch\u1ee9c ph\u00e2n c\u1ea5p, v\u00ed d\u1ee5 nh\u01b0 ph\u00e2n c\u1ea5p v\u1ecb tr\u00ed trong doanh nghi\u1ec7p. Nh\u01b0ng nh\u01b0\u1ee3c \u0111i\u1ec3m l\u1ea1i d\u1ec5 x\u1ea3y ra t\u00ecnh tr\u1ea1ng l\u1eb7p l\u1ea1i d\u1eef li\u1ec7u, kh\u00f4ng nh\u1ea5t qu\u00e1n.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-18.png\" alt=\"Hierarchical model \u2013 m\u00f4 h\u00ecnh d\u1eef li\u1ec7u ph\u00e2n c\u1ea5p\" class=\"wp-image-1607\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-18.png 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-18-640x400.png 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-18-768x480.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><em>Hierarchical model \u2013 m\u00f4 h\u00ecnh d\u1eef li\u1ec7u ph\u00e2n c\u1ea5p<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Relational_model_%E2%80%93_mo_hinh_du_lieu_quan_he\"><\/span><strong>Relational model \u2013 m\u00f4 h\u00ecnh d\u1eef li\u1ec7u quan h\u1ec7<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>L\u00e0 m\u00f4 h\u00ecnh CSDL d\u1ef1a tr\u00ean l\u00fd thuy\u1ebft t\u1eadp h\u1ee3p, \u0111\u1ea1i s\u1ed1 quan h\u1ec7. Nh\u1edd \u00e1p d\u1ee5ng 2 ki\u1ebfn th\u1ee9c n\u00e0y, Relational model c\u00f3 t\u00ednh ch\u1eb7t ch\u1ebd cao, m\u00f4 t\u1ea3 \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u r\u00f5 r\u00e0ng h\u01a1n. \u0110\u00e2y c\u0169ng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 m\u00f4 h\u00ecnh c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng kh\u00e1 ph\u1ed5 bi\u1ebfn hi\u1ec7n nay.<\/p>\n\n\n\n<p>Relational model \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c b\u1eb1ng c\u00e1c ph\u00e9p to\u00e1n thao t\u00e1c tr\u00ean c\u00e1c d\u1eef li\u1ec7u. Nh\u1eefng thu\u1eadt to\u00e1n n\u00e0y s\u1ebd d\u1ef1a v\u00e0o l\u00fd thuy\u1ebft t\u1eadp h\u1ee3p. S\u1eed d\u1ee5ng c\u00e1c ph\u00e9p nh\u01b0 h\u1ee3p, giao, t\u00edch, chia, trueaf, ch\u1ecdn, chi\u1ebfu,\u2026 \u0111\u1ec3 t\u1ea1o ra m\u00f4 h\u00ecnh d\u1eef li\u1ec7u.<\/p>\n\n\n\n<p>\u01afu \u0111i\u1ec3m khi nh\u1eafc \u0111\u1ebfn m\u00f4 h\u00ecnh CSDL quan l\u1ec7 l\u00e0 kh\u1ea3 n\u0103ng c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a \u0111\u01b0\u1ee3c r\u1ea5t \u0111a d\u1ea1ng. Tuy v\u1eady, m\u00f4 h\u00ecnh n\u00e0y v\u01b0a ch\u01b0a linh ho\u1ea1t v\u00e0 kh\u00e1 h\u1ea1n ch\u1ebf khi bi\u1ec3u di\u1ec5n c\u00e1c th\u00f4ng tin, d\u1eef li\u1ec7u c\u00f3 ng\u1eef ngh\u0129a ph\u1ee9c t\u1ea1p.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-19.png\" alt=\"Relational model \u2013 m\u00f4 h\u00ecnh d\u1eef li\u1ec7u quan h\u1ec7\" class=\"wp-image-1608\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-19.png 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-19-640x400.png 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-19-768x480.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><em>Relational model \u2013 m\u00f4 h\u00ecnh d\u1eef li\u1ec7u quan h\u1ec7<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Object_Oriented_model_%E2%80%93_mo_hinh_CSDL_huong_doi_tuong\"><\/span><strong>Object Oriented model \u2013 m\u00f4 h\u00ecnh CSDL h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0110\u00e2y c\u0169ng l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh c\u00f3 tu\u1ed5i \u0111\u1eddi t\u01b0\u01a1ng \u0111\u1ed1i l\u00e2u trong 4 lo\u1ea1i m\u00f4 h\u00ecnh CSDL \u0111\u01b0\u1ee3c nh\u1eafc \u0111\u1ebfn h\u00f4m nay. Object Oriented model xu\u1ea5t hi\u1ec7n v\u00e0o nh\u1eefng n\u0103m 90. V\u1edbi m\u00f4 h\u00ecnh n\u00e0y, c\u00e1c thu\u1ed9c t\u00ednh d\u1eef li\u1ec7u, ph\u01b0\u01a1ng th\u1ee9c thao t\u00e1c \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i v\u1edbi c\u00e1c c\u1ea5u tr\u00fac nh\u1ea5t \u0111\u1ecbnh.<\/p>\n\n\n\n<p>\u01afu \u0111i\u1ec3m c\u1ee7a m\u00f4 h\u00ecnh n\u00e0y l\u00e0 cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng \u0111\u1ecbnh ngh\u0129a \u0111\u01b0\u1ee3c ki\u1ec3u d\u1eef li\u1ec7u, \u0111\u1ed1i t\u01b0\u1ee3ng ph\u1ee9c t\u1ea1p. Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a m\u00f4 h\u00ecnh l\u00e0 c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef kh\u00e1 ph\u1ee9c t\u1ea1p, c\u1ea7n s\u1eed d\u1ee5ng nhi\u1ec1u con tr\u1ecf. Ngo\u00e0i ra, Object Oriented model c\u0169ng ch\u01b0a c\u00f3 kh\u1ea3 n\u0103ng t\u1ed1i \u01b0u t\u1ed1t, m\u1ed9t v\u00e0i tr\u01b0\u1eddng h\u1ee3p c\u00f2n b\u1ecb h\u1ea1n ch\u1ebf.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-20.png\" alt=\"Object Oriented model \u2013 m\u00f4 h\u00ecnh CSDL h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng\" class=\"wp-image-1609\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-20.png 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-20-640x400.png 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-20-768x480.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><em>Object Oriented model \u2013 m\u00f4 h\u00ecnh CSDL h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p>Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng th\u00f4ng tin li\u00ean quan \u0111\u1ebfn c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 nh\u1eefng m\u00f4 h\u00ecnh c\u1ee7a n\u00f3. Hy v\u1ecdng, sau b\u00e0i vi\u1ebft n\u00e0y, b\u1ea1n s\u1ebd hi\u1ec3u h\u01a1n v\u1ec1 <strong>c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec<\/strong> c\u0169ng nh\u01b0 v\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0o trong c\u00f4ng vi\u1ec7c h\u00e0ng ng\u00e0y c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<p>>>>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/open-source-la-gi-loi-ich-khi-su-dung-open-source\/\">Open Source L\u00e0 G\u00ec? L\u1ee3i \u00cdch Khi S\u1eed D\u1ee5ng Open Source<\/a><\/p>\n\n\n\n<p class=\"has-text-align-right\"><em>H\u00ecnh \u1ea3nh: S\u01b0u t\u1ea7m<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef t\u01b0\u01a1ng \u0111\u1ed1i quen thu\u1ed9c v\u1edbi c\u00e1c b\u1ea1n \u0111ang h\u1ecdc v\u00e0 l\u00e0m vi\u1ec7c trong l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 th\u00f4ng tin. Tuy v\u1eady, kh\u00f4ng ph\u1ea3i ai c\u0169ng c\u00f3 hi\u1ec3u \u0111\u01b0\u1ee3c kh\u00e1i ni\u1ec7m c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec? N\u1ebfu b\u1ea1n c\u0169ng \u0111ang quan t\u00e2m \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 n\u00e0y, [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":1611,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"cybocfi_hide_featured_image":"","footnotes":""},"categories":[1],"tags":[392,391],"class_list":["post-1603","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-khong-phan-loai","tag-cac-kieu-co-so-du-lieu","tag-co-so-du-lieu-la-gi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u01a1 S\u1edf D\u1eef Li\u1ec7u L\u00e0 G\u00ec? T\u00ecm Hi\u1ec3u V\u1ec1 C\u00e1c M\u00f4 H\u00ecnh C\u01a1 S\u1edf D\u1eef Li\u1ec7u<\/title>\n<meta name=\"description\" content=\"C\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec? CSDL ch\u00ednh l\u00e0 t\u1eadp h\u1ee3p nh\u1eefng d\u1eef li\u1ec7u c\u00f3 t\u1ed5 ch\u1ee9c, c\u00e1c d\u1eef li\u1ec7u n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef, truy c\u1eadp t\u1eeb h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u01a1 S\u1edf D\u1eef Li\u1ec7u L\u00e0 G\u00ec? T\u00ecm Hi\u1ec3u V\u1ec1 C\u00e1c M\u00f4 H\u00ecnh C\u01a1 S\u1edf D\u1eef Li\u1ec7u\" \/>\n<meta property=\"og:description\" content=\"C\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec? CSDL ch\u00ednh l\u00e0 t\u1eadp h\u1ee3p nh\u1eefng d\u1eef li\u1ec7u c\u00f3 t\u1ed5 ch\u1ee9c, c\u00e1c d\u1eef li\u1ec7u n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef, truy c\u1eadp t\u1eeb h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/\" \/>\n<meta property=\"og:site_name\" content=\"TopviecIT\" \/>\n<meta property=\"article:published_time\" content=\"2022-02-23T06:30:01+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-02-23T06:30:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/co-so-du-lieu-la-gi.png\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Dang Huong\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dang Huong\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/\"},\"author\":{\"name\":\"Dang Huong\",\"@id\":\"https:\/\/topviecit.vn\/blog\/#\/schema\/person\/bf5d0c56a2c02d2a5dba393c3e18f8de\"},\"headline\":\"C\u01a1 S\u1edf D\u1eef Li\u1ec7u L\u00e0 G\u00ec? T\u00ecm Hi\u1ec3u V\u1ec1 C\u00e1c M\u00f4 H\u00ecnh C\u01a1 S\u1edf D\u1eef Li\u1ec7u\",\"datePublished\":\"2022-02-23T06:30:01+00:00\",\"dateModified\":\"2022-02-23T06:30:02+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/\"},\"wordCount\":1793,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/topviecit.vn\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/co-so-du-lieu-la-gi.png\",\"keywords\":[\"c\u00e1c ki\u1ec3u c\u01a1 s\u1edf d\u1eef li\u1ec7u\",\"c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec\"],\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/\",\"url\":\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/\",\"name\":\"C\u01a1 S\u1edf D\u1eef Li\u1ec7u L\u00e0 G\u00ec? T\u00ecm Hi\u1ec3u V\u1ec1 C\u00e1c M\u00f4 H\u00ecnh C\u01a1 S\u1edf D\u1eef Li\u1ec7u\",\"isPartOf\":{\"@id\":\"https:\/\/topviecit.vn\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/co-so-du-lieu-la-gi.png\",\"datePublished\":\"2022-02-23T06:30:01+00:00\",\"dateModified\":\"2022-02-23T06:30:02+00:00\",\"description\":\"C\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec? CSDL ch\u00ednh l\u00e0 t\u1eadp h\u1ee3p nh\u1eefng d\u1eef li\u1ec7u c\u00f3 t\u1ed5 ch\u1ee9c, c\u00e1c d\u1eef li\u1ec7u n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef, truy c\u1eadp t\u1eeb h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh.\",\"breadcrumb\":{\"@id\":\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#breadcrumb\"},\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#primaryimage\",\"url\":\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/co-so-du-lieu-la-gi.png\",\"contentUrl\":\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/co-so-du-lieu-la-gi.png\",\"width\":800,\"height\":500,\"caption\":\"co-so-du-lieu-la-gi\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Trang ch\u1ee7\",\"item\":\"https:\/\/topviecit.vn\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"C\u01a1 S\u1edf D\u1eef Li\u1ec7u L\u00e0 G\u00ec? T\u00ecm Hi\u1ec3u V\u1ec1 C\u00e1c M\u00f4 H\u00ecnh C\u01a1 S\u1edf D\u1eef Li\u1ec7u\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/topviecit.vn\/blog\/#website\",\"url\":\"https:\/\/topviecit.vn\/blog\/\",\"name\":\"TopviecIT\",\"description\":\"Chia s\u1ebb kinh nghi\u1ec7m l\u00e0m vi\u1ec7c v\u00e0 vi\u1ec7c l\u00e0m IT m\u1edbi nh\u1ea5t\",\"publisher\":{\"@id\":\"https:\/\/topviecit.vn\/blog\/#organization\"},\"alternateName\":\"TopviecIT\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/topviecit.vn\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"vi\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/topviecit.vn\/blog\/#organization\",\"name\":\"TopviecIT\",\"alternateName\":\"TopviecIT\",\"url\":\"https:\/\/topviecit.vn\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/topviecit.vn\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/05\/logo-topviecit-2.png\",\"contentUrl\":\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/05\/logo-topviecit-2.png\",\"width\":666,\"height\":375,\"caption\":\"TopviecIT\"},\"image\":{\"@id\":\"https:\/\/topviecit.vn\/blog\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/topviecit.vn\/blog\/#\/schema\/person\/bf5d0c56a2c02d2a5dba393c3e18f8de\",\"name\":\"Dang Huong\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/topviecit.vn\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/5bd93e039e3da563f1ee9760a82fced7?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/5bd93e039e3da563f1ee9760a82fced7?s=96&d=mm&r=g\",\"caption\":\"Dang Huong\"},\"sameAs\":[\"hanhngan\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"C\u01a1 S\u1edf D\u1eef Li\u1ec7u L\u00e0 G\u00ec? T\u00ecm Hi\u1ec3u V\u1ec1 C\u00e1c M\u00f4 H\u00ecnh C\u01a1 S\u1edf D\u1eef Li\u1ec7u","description":"C\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec? CSDL ch\u00ednh l\u00e0 t\u1eadp h\u1ee3p nh\u1eefng d\u1eef li\u1ec7u c\u00f3 t\u1ed5 ch\u1ee9c, c\u00e1c d\u1eef li\u1ec7u n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef, truy c\u1eadp t\u1eeb h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh.","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:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/","og_locale":"vi_VN","og_type":"article","og_title":"C\u01a1 S\u1edf D\u1eef Li\u1ec7u L\u00e0 G\u00ec? T\u00ecm Hi\u1ec3u V\u1ec1 C\u00e1c M\u00f4 H\u00ecnh C\u01a1 S\u1edf D\u1eef Li\u1ec7u","og_description":"C\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec? CSDL ch\u00ednh l\u00e0 t\u1eadp h\u1ee3p nh\u1eefng d\u1eef li\u1ec7u c\u00f3 t\u1ed5 ch\u1ee9c, c\u00e1c d\u1eef li\u1ec7u n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef, truy c\u1eadp t\u1eeb h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh.","og_url":"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/","og_site_name":"TopviecIT","article_published_time":"2022-02-23T06:30:01+00:00","article_modified_time":"2022-02-23T06:30:02+00:00","og_image":[{"width":800,"height":500,"url":"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/co-so-du-lieu-la-gi.png","type":"image\/png"}],"author":"Dang Huong","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"Dang Huong","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"7 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#article","isPartOf":{"@id":"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/"},"author":{"name":"Dang Huong","@id":"https:\/\/topviecit.vn\/blog\/#\/schema\/person\/bf5d0c56a2c02d2a5dba393c3e18f8de"},"headline":"C\u01a1 S\u1edf D\u1eef Li\u1ec7u L\u00e0 G\u00ec? T\u00ecm Hi\u1ec3u V\u1ec1 C\u00e1c M\u00f4 H\u00ecnh C\u01a1 S\u1edf D\u1eef Li\u1ec7u","datePublished":"2022-02-23T06:30:01+00:00","dateModified":"2022-02-23T06:30:02+00:00","mainEntityOfPage":{"@id":"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/"},"wordCount":1793,"commentCount":0,"publisher":{"@id":"https:\/\/topviecit.vn\/blog\/#organization"},"image":{"@id":"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#primaryimage"},"thumbnailUrl":"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/co-so-du-lieu-la-gi.png","keywords":["c\u00e1c ki\u1ec3u c\u01a1 s\u1edf d\u1eef li\u1ec7u","c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec"],"inLanguage":"vi","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/","url":"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/","name":"C\u01a1 S\u1edf D\u1eef Li\u1ec7u L\u00e0 G\u00ec? T\u00ecm Hi\u1ec3u V\u1ec1 C\u00e1c M\u00f4 H\u00ecnh C\u01a1 S\u1edf D\u1eef Li\u1ec7u","isPartOf":{"@id":"https:\/\/topviecit.vn\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#primaryimage"},"image":{"@id":"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#primaryimage"},"thumbnailUrl":"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/co-so-du-lieu-la-gi.png","datePublished":"2022-02-23T06:30:01+00:00","dateModified":"2022-02-23T06:30:02+00:00","description":"C\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec? CSDL ch\u00ednh l\u00e0 t\u1eadp h\u1ee3p nh\u1eefng d\u1eef li\u1ec7u c\u00f3 t\u1ed5 ch\u1ee9c, c\u00e1c d\u1eef li\u1ec7u n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef, truy c\u1eadp t\u1eeb h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh.","breadcrumb":{"@id":"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/"]}]},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#primaryimage","url":"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/co-so-du-lieu-la-gi.png","contentUrl":"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/co-so-du-lieu-la-gi.png","width":800,"height":500,"caption":"co-so-du-lieu-la-gi"},{"@type":"BreadcrumbList","@id":"https:\/\/topviecit.vn\/blog\/co-so-du-lieu-la-gi\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Trang ch\u1ee7","item":"https:\/\/topviecit.vn\/blog\/"},{"@type":"ListItem","position":2,"name":"C\u01a1 S\u1edf D\u1eef Li\u1ec7u L\u00e0 G\u00ec? T\u00ecm Hi\u1ec3u V\u1ec1 C\u00e1c M\u00f4 H\u00ecnh C\u01a1 S\u1edf D\u1eef Li\u1ec7u"}]},{"@type":"WebSite","@id":"https:\/\/topviecit.vn\/blog\/#website","url":"https:\/\/topviecit.vn\/blog\/","name":"TopviecIT","description":"Chia s\u1ebb kinh nghi\u1ec7m l\u00e0m vi\u1ec7c v\u00e0 vi\u1ec7c l\u00e0m IT m\u1edbi nh\u1ea5t","publisher":{"@id":"https:\/\/topviecit.vn\/blog\/#organization"},"alternateName":"TopviecIT","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/topviecit.vn\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"vi"},{"@type":"Organization","@id":"https:\/\/topviecit.vn\/blog\/#organization","name":"TopviecIT","alternateName":"TopviecIT","url":"https:\/\/topviecit.vn\/blog\/","logo":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/topviecit.vn\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/05\/logo-topviecit-2.png","contentUrl":"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/05\/logo-topviecit-2.png","width":666,"height":375,"caption":"TopviecIT"},"image":{"@id":"https:\/\/topviecit.vn\/blog\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/topviecit.vn\/blog\/#\/schema\/person\/bf5d0c56a2c02d2a5dba393c3e18f8de","name":"Dang Huong","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/topviecit.vn\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/5bd93e039e3da563f1ee9760a82fced7?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/5bd93e039e3da563f1ee9760a82fced7?s=96&d=mm&r=g","caption":"Dang Huong"},"sameAs":["hanhngan"]}]}},"_links":{"self":[{"href":"https:\/\/topviecit.vn\/blog\/wp-json\/wp\/v2\/posts\/1603","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/topviecit.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/topviecit.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/topviecit.vn\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/topviecit.vn\/blog\/wp-json\/wp\/v2\/comments?post=1603"}],"version-history":[{"count":3,"href":"https:\/\/topviecit.vn\/blog\/wp-json\/wp\/v2\/posts\/1603\/revisions"}],"predecessor-version":[{"id":1612,"href":"https:\/\/topviecit.vn\/blog\/wp-json\/wp\/v2\/posts\/1603\/revisions\/1612"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/topviecit.vn\/blog\/wp-json\/wp\/v2\/media\/1611"}],"wp:attachment":[{"href":"https:\/\/topviecit.vn\/blog\/wp-json\/wp\/v2\/media?parent=1603"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/topviecit.vn\/blog\/wp-json\/wp\/v2\/categories?post=1603"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/topviecit.vn\/blog\/wp-json\/wp\/v2\/tags?post=1603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}