{"id":10144,"date":"2025-05-21T04:52:12","date_gmt":"2025-05-21T04:52:12","guid":{"rendered":"https:\/\/orthian.vn\/?p=10144"},"modified":"2025-05-26T04:22:17","modified_gmt":"2025-05-26T04:22:17","slug":"what-is-sql","status":"publish","type":"post","link":"https:\/\/orthian.vn\/vi\/what-is-sql\/","title":{"rendered":"SQL l\u00e0 g\u00ec? X\u01b0\u01a1ng s\u1ed1ng c\u1ee7a Qu\u1ea3n l\u00fd D\u1eef li\u1ec7u Hi\u1ec7n \u0111\u1ea1i"},"content":{"rendered":"<p>Kh\u00e1m ph\u00e1 c\u00e1ch <strong>SQL<\/strong> cung c\u1ea5p quy\u1ec1n truy c\u1eadp d\u1eef li\u1ec7u, b\u00e1o c\u00e1o v\u00e0 ho\u1ea1t \u0111\u1ed9ng kinh doanh tr\u00ean nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 c\u00e1ch Orthian s\u1eed d\u1ee5ng d\u1eef li\u1ec7u n\u00e0y \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u00e1ng tin c\u1eady v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng.<\/p>\n\n\n\n<p>Trong th\u1ebf gi\u1edbi d\u1eef li\u1ec7u ng\u00e0y nay, c\u00e1c c\u00f4ng ngh\u1ec7 v\u00e0 n\u1ec1n t\u1ea3ng AI th\u1eddi th\u01b0\u1ee3ng c\u00f3 th\u1ec3 \u0111\u1ebfn r\u1ed3i \u0111i, nh\u01b0ng SQL (Ng\u00f4n ng\u1eef truy v\u1ea5n c\u00f3 c\u1ea5u tr\u00fac) v\u1eabn lu\u00f4n tr\u01b0\u1eddng t\u1ed3n. \u0110\u1eb1ng sau m\u1ed7i b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, b\u00e1o c\u00e1o ho\u1eb7c quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean d\u1eef li\u1ec7u \u0111\u1ec1u l\u00e0 m\u1ed9t truy v\u1ea5n SQL.<\/p>\n\n\n\n<p>Cho d\u00f9 b\u1ea1n \u0111ang v\u1eadn h\u00e0nh m\u1ed9t n\u1ec1n t\u1ea3ng th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed, qu\u1ea3n l\u00fd d\u1eef li\u1ec7u n\u1ed9i b\u1ed9 hay ph\u00e2n t\u00edch h\u00e0ng ngh\u00ecn giao d\u1ecbch trong chu\u1ed7i cung \u1ee9ng, SQL ch\u00ednh l\u00e0 n\u1ec1n t\u1ea3ng gi\u00fap d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp, th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c v\u00e0 c\u00f3 c\u1ea5u tr\u00fac.<\/p>\n\n\n\n<p>B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1ea3i th\u00edch SQL l\u00e0 g\u00ec, c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng v\u00e0 l\u00fd do t\u1ea1i sao n\u00f3 v\u1eabn c\u1ea7n thi\u1ebft trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng k\u1ef9 thu\u1eadt s\u1ed1 hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px\"><strong>1. SQL l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n<p>SQL l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a <strong>Ng\u00f4n ng\u1eef truy v\u1ea5n c\u00f3 c\u1ea5u tr\u00fac<\/strong>, m\u1ed9t ng\u00f4n ng\u1eef chuy\u00ean ng\u00e0nh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 qu\u1ea3n l\u00fd v\u00e0 thao t\u00e1c c\u00e1c h\u1ec7 th\u1ed1ng c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7 (RDBMS). V\u1edbi SQL, b\u1ea1n c\u00f3 th\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u1ea5y d\u1eef li\u1ec7u (<code><strong>L\u1ef0A CH\u1eccN<\/strong><\/code>)<\/li>\n\n\n\n<li>Ch\u00e8n b\u1ea3n ghi m\u1edbi (<code><strong>CH\u00c8N<\/strong><\/code>)<\/li>\n\n\n\n<li>C\u1eadp nh\u1eadt d\u1eef li\u1ec7u hi\u1ec7n c\u00f3 (<code><strong>C\u1eacP NH\u1eacT<\/strong><\/code>)<\/li>\n\n\n\n<li>X\u00f3a c\u00e1c b\u1ea3n ghi kh\u00f4ng mong mu\u1ed1n (<code><strong>X\u00d3A B\u1ece<\/strong><\/code>)<\/li>\n<\/ul>\n\n\n\n<p>Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh \u0111a n\u0103ng, SQL l\u00e0 <strong>mang t\u00ednh khai b\u00e1o<\/strong>: b\u1ea1n m\u00f4 t\u1ea3 <em><strong>G\u00ec<\/strong><\/em> b\u1ea1n mu\u1ed1n t\u1eeb d\u1eef li\u1ec7u v\u00e0 c\u00f4ng c\u1ee5 x\u00e1c \u0111\u1ecbnh <em><strong>L\u00e0m sao<\/strong><\/em> \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c n\u00f3.<\/p>\n\n\n\n<p>SQL \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi c\u00e1c c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7 ph\u1ed5 bi\u1ebfn nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MySQL<\/li>\n\n\n\n<li>PostgreSQL<\/li>\n\n\n\n<li>M\u00e1y ch\u1ee7 Microsoft SQL<\/li>\n\n\n\n<li>C\u01a1 s\u1edf d\u1eef li\u1ec7u Oracle<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px\"><strong><strong>2. C\u00e1c l\u1ec7nh SQL thi\u1ebft y\u1ebfu b\u1ea1n n\u00ean bi\u1ebft<\/strong><\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/orthian.vn\/wp-content\/uploads\/2025\/05\/essential-sql-commands-1024x1024.png\" alt=\"\" class=\"wp-image-10148\" style=\"object-fit:cover;width:800px;height:800px\" srcset=\"https:\/\/orthian.vn\/wp-content\/uploads\/2025\/05\/essential-sql-commands-1024x1024.png 1024w, https:\/\/orthian.vn\/wp-content\/uploads\/2025\/05\/essential-sql-commands-300x300.png 300w, https:\/\/orthian.vn\/wp-content\/uploads\/2025\/05\/essential-sql-commands-150x150.png 150w, https:\/\/orthian.vn\/wp-content\/uploads\/2025\/05\/essential-sql-commands-768x768.png 768w, https:\/\/orthian.vn\/wp-content\/uploads\/2025\/05\/essential-sql-commands-1536x1536.png 1536w, https:\/\/orthian.vn\/wp-content\/uploads\/2025\/05\/essential-sql-commands-2048x2048.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>C\u00e1c l\u1ec7nh SQL thi\u1ebft y\u1ebfu<\/em><\/figcaption><\/figure>\n\n\n\n<p>T\u1ea1i Orthian, ch\u00fang t\u00f4i nh\u00fang c\u00e1c truy v\u1ea5n n\u00e0y v\u00e0o API v\u00e0 b\u1ea3ng th\u00f4ng tin \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u th\u00f4 th\u00e0nh th\u00f4ng tin chi ti\u1ebft c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c theo th\u1eddi gian th\u1ef1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px\"><strong><strong>3. C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng cho SQL<\/strong><\/strong><\/h2>\n\n\n\n<p>SQL l\u00e0 \u0111\u1ed9ng l\u1ef1c th\u00fac \u0111\u1ea9y tr\u00ed tu\u1ec7 doanh nghi\u1ec7p. Trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, t\u1eeb t\u00e0i ch\u00ednh v\u00e0 h\u1eadu c\u1ea7n \u0111\u1ebfn b\u00e1n l\u1ebb v\u00e0 ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe, SQL \u0111\u00f3ng vai tr\u00f2 thi\u1ebft y\u1ebfu \u0111\u1ed1i v\u1edbi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>H\u1ec7 th\u1ed1ng d\u1eef li\u1ec7u n\u1ed9i b\u1ed9<\/strong>: Qu\u1ea3n l\u00fd nh\u00e2n s\u1ef1, ho\u1ea1t \u0111\u1ed9ng, h\u00e0ng t\u1ed3n kho ho\u1eb7c lu\u1ed3ng \u0111\u01a1n h\u00e0ng<\/li>\n\n\n\n<li><strong>N\u1ec1n t\u1ea3ng CRM\/ERP<\/strong>: T\u1ed5 ch\u1ee9c d\u1eef li\u1ec7u kh\u00e1ch h\u00e0ng v\u00e0 chu\u1ed7i cung \u1ee9ng<\/li>\n\n\n\n<li><strong>C\u00f4ng c\u1ee5 b\u00e1o c\u00e1o<\/strong>: T\u1ea1o b\u1ea3ng th\u00f4ng tin t\u00e0i ch\u00ednh v\u00e0 hi\u1ec7u su\u1ea5t<\/li>\n\n\n\n<li><strong>Ph\u1ea7n ph\u1ee5 tr\u1ee3 t\u00f9y ch\u1ec9nh<\/strong>: L\u01b0u tr\u1eef v\u00e0 b\u1ea3o m\u1eadt d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng trong c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/li>\n\n\n\n<li><strong>\u0110\u01b0\u1eddng \u1ed1ng d\u1eef li\u1ec7u<\/strong>: Tr\u00edch xu\u1ea5t, l\u00e0m s\u1ea1ch v\u00e0 chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u cho m\u00e1y h\u1ecdc ho\u1eb7c ph\u00e2n t\u00edch<\/li>\n<\/ul>\n\n\n\n<p>SQL kh\u00f4ng g\u1eafn li\u1ec1n v\u1edbi m\u1ed9t ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u00e0o c\u1ea3, n\u00f3 l\u00e0 n\u1ec1n t\u1ea3ng chung cho d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px\"><strong><strong>4. SQL so v\u1edbi NoSQL: Khi n\u00e0o n\u00ean ch\u1ecdn c\u00e1i n\u00e0o?<\/strong><\/strong><\/h2>\n\n\n\n<p>C\u01a1 s\u1edf d\u1eef li\u1ec7u SQL (quan h\u1ec7) v\u00e0 NoSQL (phi quan h\u1ec7) ph\u1ee5c v\u1ee5 c\u00e1c nhu c\u1ea7u kh\u00e1c nhau:<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/orthian.vn\/wp-content\/uploads\/2025\/05\/sql-vs-nosql-1024x1024.png\" alt=\"\" class=\"wp-image-10151\" style=\"object-fit:cover;width:800px;height:800px\" srcset=\"https:\/\/orthian.vn\/wp-content\/uploads\/2025\/05\/sql-vs-nosql-1024x1024.png 1024w, https:\/\/orthian.vn\/wp-content\/uploads\/2025\/05\/sql-vs-nosql-300x300.png 300w, https:\/\/orthian.vn\/wp-content\/uploads\/2025\/05\/sql-vs-nosql-150x150.png 150w, https:\/\/orthian.vn\/wp-content\/uploads\/2025\/05\/sql-vs-nosql-768x768.png 768w, https:\/\/orthian.vn\/wp-content\/uploads\/2025\/05\/sql-vs-nosql-1536x1536.png 1536w, https:\/\/orthian.vn\/wp-content\/uploads\/2025\/05\/sql-vs-nosql-2048x2048.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>Khi n\u00e0o s\u1eed d\u1ee5ng SQL v\u00e0 NoSQL<\/em><\/figcaption><\/figure>\n\n\n\n<p>Nhi\u1ec1u h\u1ec7 th\u1ed1ng hi\u1ec7n \u0111\u1ea1i th\u1eadm ch\u00ed c\u00f2n s\u1eed d\u1ee5ng <strong>ki\u1ebfn tr\u00fac lai<\/strong>, k\u1ebft h\u1ee3p c\u1ea3 SQL v\u00e0 NoSQL t\u00f9y thu\u1ed9c v\u00e0o l\u1edbp d\u1eef li\u1ec7u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px\"><strong><strong>5. T\u1ed1i \u01b0u h\u00f3a SQL<\/strong><\/strong><\/h2>\n\n\n\n<p>C\u00e1c truy v\u1ea5n SQL \u0111\u01b0\u1ee3c vi\u1ebft k\u00e9m c\u00f3 th\u1ec3 l\u00e0m ch\u1eadm to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao t\u1ea1i Orthian, ch\u00fang t\u00f4i \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t trong ng\u00e0nh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t cao:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng ch\u1ec9 m\u1ee5c \u0111\u1ec3 t\u0103ng t\u1ed1c truy v\u1ea5n<\/li>\n\n\n\n<li>Tr\u00e1nh c\u00e1c truy v\u1ea5n con l\u1ed3ng nhau s\u00e2u n\u1ebfu c\u00f3 th\u1ec3<\/li>\n\n\n\n<li>Chu\u1ea9n h\u00f3a l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9<\/li>\n\n\n\n<li>L\u01b0u tr\u1eef k\u1ebft qu\u1ea3 cho c\u00e1c truy v\u1ea5n th\u01b0\u1eddng xuy\u00ean truy c\u1eadp<\/li>\n\n\n\n<li>Theo d\u00f5i nh\u1eadt k\u00fd truy v\u1ea5n \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c \u0111i\u1ec3m ngh\u1ebdn v\u1ec1 hi\u1ec7u su\u1ea5t<\/li>\n<\/ul>\n\n\n\n<p>Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a bi\u1ebfn SQL th\u00e0nh m\u1ed9t l\u1ee3i th\u1ebf chi\u1ebfn l\u01b0\u1ee3c ch\u1ee9 kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px\"><strong><strong><strong>6. SQL trong c\u00e1c d\u1ef1 \u00e1n Orthian<\/strong><\/strong><\/strong><\/h2>\n\n\n\n<p>SQL \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u gi\u1ea3i ph\u00e1p m\u00e0 Orthian cung c\u1ea5p cho nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. T\u1eeb n\u1ec1n t\u1ea3ng n\u1ed9i b\u1ed9 \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng h\u01b0\u1edbng \u0111\u1ebfn ng\u01b0\u1eddi d\u00f9ng, ch\u00fang t\u00f4i d\u1ef1a v\u00e0o SQL \u0111\u1ec3 t\u1ed5 ch\u1ee9c v\u00e0 m\u1edf r\u1ed9ng d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n.<\/p>\n\n\n\n<p>C\u00e1c v\u00ed d\u1ee5 bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u1ec7 th\u1ed1ng theo d\u00f5i \u0111\u01a1n h\u00e0ng cho doanh nghi\u1ec7p b\u00e1n l\u1ebb<\/li>\n\n\n\n<li>N\u1ec1n t\u1ea3ng ph\u00e2n t\u00edch h\u00e0nh vi cho c\u00e1c s\u1ea3n ph\u1ea9m k\u1ef9 thu\u1eadt s\u1ed1<\/li>\n\n\n\n<li>Qu\u1ea3n l\u00fd ho\u1ea1t \u0111\u1ed9ng tools t\u00edch h\u1ee3p d\u1eef li\u1ec7u gi\u1eefa c\u00e1c ph\u00f2ng ban<\/li>\n<\/ul>\n\n\n\n<p>M\u1ed7i tri\u1ec3n khai \u0111\u1ec1u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang, SQL kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng chung chung m\u00e0 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c ti\u00eau kinh doanh v\u00e0 ki\u1ebfn tr\u00fac d\u1eef li\u1ec7u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px\"><strong><strong><strong><strong>Ph\u1ea7n k\u1ebft lu\u1eadn<\/strong><\/strong><\/strong><\/strong><\/h2>\n\n\n\n<p>SQL kh\u00f4ng ch\u1ec9 d\u00e0nh cho c\u00e1c k\u1ef9 s\u01b0 d\u1eef li\u1ec7u ho\u1eb7c nh\u00e0 ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m, m\u00e0 d\u00e0nh cho b\u1ea5t k\u1ef3 ai mu\u1ed1n hi\u1ec3u, qu\u1ea3n l\u00fd v\u00e0 khai th\u00e1c gi\u00e1 tr\u1ecb c\u1ee7a d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac.<\/p>\n\n\n\n<p>Trong th\u1eddi \u0111\u1ea1i chuy\u1ec3n \u0111\u1ed5i s\u1ed1 nhanh ch\u00f3ng, bi\u1ebft SQL c\u00f3 ngh\u0129a l\u00e0 bi\u1ebft doanh nghi\u1ec7p c\u1ee7a b\u1ea1n th\u1ef1c s\u1ef1 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o b\u00ean d\u01b0\u1edbi m\u1ecdi b\u00e1o c\u00e1o, b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 quy\u1ebft \u0111\u1ecbnh.<\/p>\n\n\n\n<p>N\u1ebfu b\u1ea1n \u0111ang x\u00e2y d\u1ef1ng m\u1ed9t s\u1ea3n ph\u1ea9m k\u1ef9 thu\u1eadt s\u1ed1 ho\u1eb7c qu\u1ea3n l\u00fd kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac, <strong>Orthian c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n thi\u1ebft k\u1ebf m\u1ed9t h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean SQL s\u1ea1ch s\u1ebd, c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai<\/strong>.<\/p>\n\n\n\n<p><strong>Ki\u1ec3m tra th\u00eam ki\u1ebfn th\u1ee9c t\u1eeb Orthian b\u00ean d\u01b0\u1edbi<\/strong>:<\/p>\n\n\n\n<p><a href=\"https:\/\/orthian.vn\/vi\/what-is-javascript-modern-web-development\/\">JavaScript l\u00e0 g\u00ec? Kh\u00e1m ph\u00e1 s\u1ee9c m\u1ea1nh \u0111\u1eb1ng sau Web hi\u1ec7n \u0111\u1ea1i<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/orthian.vn\/vi\/low-code-no-code-empowering-application-development\/\">Low-Code\/No-Code: Trao quy\u1ec1n ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng cho m\u1ecdi doanh nghi\u1ec7p<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Discover how SQL powers data access, reporting, and business operations across industries and how Orthian uses it to build reliable, scalable systems. In today\u2019s data-driven world, trendy technologies and AI frameworks may come and go but SQL (Structured Query Language) remains a constant. Behind every dashboard, report, or data-backed decision is a SQL query. Whether [&hellip;]<\/p>","protected":false},"author":6,"featured_media":10159,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[55],"tags":[139,140,141,142],"highlight":[],"class_list":["post-10144","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-digital-transformation","tag-sql","tag-structured-query-language","tag-database","tag-data-query"],"acf":[],"_links":{"self":[{"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/posts\/10144","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/comments?post=10144"}],"version-history":[{"count":0,"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/posts\/10144\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/media\/10159"}],"wp:attachment":[{"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/media?parent=10144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/categories?post=10144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/tags?post=10144"},{"taxonomy":"highlight","embeddable":true,"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/highlight?post=10144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}