{"id":22430,"date":"2021-07-31T19:06:00","date_gmt":"2021-07-31T12:06:00","guid":{"rendered":"https:\/\/kiencang.net\/?p=22430"},"modified":"2022-07-31T20:40:06","modified_gmt":"2022-07-31T13:40:06","slug":"toi-uu-hoa-csdl-wordpress","status":"publish","type":"post","link":"https:\/\/kiencang.net\/toi-uu-hoa-csdl-wordpress\/","title":{"rendered":"T\u1ed1i \u01b0u h\u00f3a database c\u1ee7a WordPress theo c\u00e1ch th\u1ee7 c\u00f4ng"},"content":{"rendered":"\n<p>C\u00f3 \u0111\u00f4i \u0111i\u1ec1u t\u00f4i mu\u1ed1n n\u00f3i v\u1ec1 v\u1ea5n \u0111\u1ec1 CSDL (database) trong WordPress.<\/p>\n\n\n\n<ul><li>Th\u1ee9 nh\u1ea5t, qu\u1ea3 th\u1eadt \u0111\u00fang khi ai \u0111\u00f3 n\u00f3i r\u1eb1ng: ngay c\u1ea3 nh\u1eefng ng\u01b0\u1eddi c\u00f3&nbsp;<a href=\"https:\/\/kiencang.net\/huong-dan-su-dung-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">kinh nghi\u1ec7m s\u1eed d\u1ee5ng WordPress<\/a>&nbsp;v\u00e0 quan t\u00e2m \u0111\u1ebfn t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9 c\u0169ng th\u01b0\u1eddng qu\u00ean m\u1ea5t v\u1ea5n \u0111\u1ec1 n\u00e0y!<\/li><li>Hai l\u00e0:&nbsp;<a href=\"https:\/\/kiencang.net\/toi-uu-database-wordpress-toan-dien\/\">t\u1ed1i \u01b0u h\u00f3a database<\/a>&nbsp;b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng c\u00f3 nhi\u1ec1u ti\u1ec7n l\u1ee3i, nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00e0 bi\u1ec7n ph\u00e1p \u0111em l\u1ea1i hi\u1ec7u qu\u1ea3 cao nh\u1ea5t.<\/li><\/ul>\n\n\n\n<p>T\u00f4i t\u1eebng r\u1ea5t vui m\u1eebng khi kh\u00e1m ph\u00e1 ra plugin chuy\u00ean s\u00e2u \u0111\u1ec3 t\u1ed1i \u01b0u CSDL cho WordPress, n\u00f3 c\u00f3 t\u00ean:&nbsp;<a href=\"https:\/\/kiencang.net\/plugin-advanced-database-cleaner\/\">Advanced Database Cleaner<\/a>. Plugin n\u00e0y gi\u00fap ph\u00e1t hi\u1ec7n c\u00e1c b\u1ea3ng d\u1eef li\u1ec7u d\u01b0 th\u1eeba, c\u00e1c cron jobs kh\u00f4ng c\u1ea7n thi\u1ebft v\u00e0 c\u1ea3 options kh\u00f4ng c\u00f2n c\u00f3 \u00edch n\u1eefa.<\/p>\n\n\n\n<p>Nh\u01b0ng t\u00f4i nhanh ch\u00f3ng nh\u1eadn ra r\u1eb1ng, Advanced Database Cleaner c\u00f3&nbsp;<em>kh\u1ea3 n\u0103ng ph\u00e2n lo\u1ea1i d\u1eef li\u1ec7u d\u01b0 th\u1eeba kh\u00f4ng t\u1ed1t \u0111\u1ebfn m\u1ee9c \u0111\u1ee7 \u0111\u1ec3 b\u1ea1n an t\u00e2m d\u1ef1a ho\u00e0n to\u00e0n v\u00e0o n\u00f3<\/em>. \u0110\u1eb7c bi\u1ec7t l\u00e0 \u1edf chi\u1ec1u d\u1eef li\u1ec7u \u0111\u00f3&nbsp;<strong>th\u1ef1c t\u1ebf l\u00e0 d\u01b0 th\u1eeba<\/strong>&nbsp;nh\u01b0ng Advanced Database Cleaner l\u1ea1i cho r\u1eb1ng n\u00f3 thu\u1ed9c v\u1ec1 plugin n\u00e0o \u0111\u00f3 ho\u1eb7c c\u1ee7a WordPress Core (l\u00f5i c\u1ee7a WordPress, c\u00e1c t\u00e0i nguy\u00ean quan tr\u1ecdng kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p x\u00f3a). Chi\u1ec1u ng\u01b0\u1ee3c l\u1ea1i n\u00f3 \u00edt l\u1ed7i h\u01a1n, ngh\u0129a l\u00e0 n\u1ebfu n\u00f3 x\u00e1c \u0111\u1ecbnh d\u1eef li\u1ec7u n\u00e0o \u0111\u1ea5y l\u00e0 d\u01b0 th\u1eeba (orphaned), kh\u1ea3 n\u0103ng cao n\u00f3 l\u00e0 d\u01b0 th\u1eeba th\u1eadt.<\/p>\n\n\n\n<p>C\u00f3 l\u00fd do cho \u0111i\u1ec1u n\u00e0y:<\/p>\n\n\n\n<ul><li>Vi\u1ec7c \u0111\u00e1nh gi\u00e1 \u201dd\u1eef li\u1ec7u d\u01b0 th\u1eeba\u201d l\u00e0 \u201ckh\u00f4ng d\u01b0 th\u1eeba\u201d \u00edt nguy hi\u1ec3m h\u01a1n nhi\u1ec1u so v\u1edbi \u0111\u00e1nh gi\u00e1 nh\u1ea7m t\u1eeb \u201dkh\u00f4ng d\u01b0 th\u1eeba\u201d th\u00e0nh \u201cd\u01b0 th\u1eeba\u201d.<\/li><li>S\u1ed1 l\u01b0\u1ee3ng plugin hi\u1ec7n c\u00f3, v\u00e0 c\u00e1c d\u1eef li\u1ec7u c\u1ee7a ch\u00fang v\u00f4 c\u00f9ng l\u1edbn, ngo\u00e0i ra c\u00f2n chuy\u1ec7n c\u1eadp nh\u1eadt, thay \u0111\u1ed5i th\u01b0\u1eddng xuy\u00ean. R\u1ea5t kh\u00f3 c\u00f3 m\u1ed9t c\u00f4ng c\u1ee5 n\u00e0o c\u00f3 kh\u1ea3 n\u0103ng nh\u1eadn bi\u1ebft ch\u00ednh x\u00e1c theo c\u00e1ch t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 bi\u1ebft d\u1eef li\u1ec7u n\u00e0o \u0111\u1ea5y l\u00e0 thu\u1ed9c v\u1ec1 plugin n\u00e0o.<\/li><\/ul>\n\n\n\n<p>\u0110\u1ec3 t\u00f4i \u0111\u01b0a ra v\u00ed d\u1ee5 d\u1ec5 hi\u1ec3u h\u01a1n.<\/p>\n\n\n\n<p>D\u1eef li\u1ec7u d\u01b0 th\u1eeba gi\u1ed1ng nh\u01b0 \u0111\u1ed3 \u0111\u1ea1c d\u01b0 th\u1eeba trong nh\u00e0 ch\u00fang ta v\u1eady. Vi\u1ec7c mua s\u1eafm \u0111\u1ed3 \u0111\u1ea1c cho c\u0103n nh\u00e0 c\u0169ng kh\u00f4ng kh\u00e1c g\u00ec ta c\u00e0i c\u1eafm r\u1ea5t nhi\u1ec1u plugin, th\u1eed c\u00e1i n\u1ecd c\u00e1i kia tr\u00ean website. Qua th\u1eddi gian, nhi\u1ec1u \u0111\u1ed3 \u0111\u1ea1c trong nh\u00e0 tr\u1edf n\u00ean v\u00f4 d\u1ee5ng v\u00e0 chi\u1ebfm m\u1ea5t kh\u00f4ng gian, t\u01b0\u01a1ng t\u1ef1, c\u00e1c plugin kh\u00f4ng d\u00f9ng c\u0169ng th\u1ebf, th\u1eadm ch\u00ed c\u00f2n t\u1ec7 h\u01a1n \u1edf kh\u00eda c\u1ea1nh l\u00e0 ngay c\u1ea3 khi b\u1ea1n<strong>&nbsp;\u0111\u00e3 g\u1ee1 b\u1ecf b\u1ea3n c\u00e0i \u0111\u1eb7t c\u1ee7a n\u00f3 th\u00ec v\u1eabn c\u00f2n h\u00e0ng t\u00e1 d\u1eef li\u1ec7u d\u01b0 th\u1eeba trong CSDL<\/strong>&nbsp;(\u0111a s\u1ed1 c\u00e1c plugin kh\u00f4ng t\u1ef1 d\u1ecdn d\u1eb9p ch\u00ednh n\u00f3 sau khi \u0111\u01b0\u1ee3c g\u1ee1 c\u00e0i \u0111\u1eb7t).<\/p>\n\n\n\n<p>Nh\u01b0ng t\u1ea1i sao c\u00e1c plugin kh\u00f4ng ch\u1ecbu x\u00f3a (m\u1ed9t s\u1ed1) b\u1ea3ng n\u00f3 \u0111\u00e3 t\u1ea1o trong database?<\/p>\n\n\n\n<p>C\u00f3 \u00edt nh\u1ea5t hai l\u00fd do gi\u1ea3i th\u00edch v\u00ec sao plugin n\u00e0o \u0111\u1ea5y kh\u00f4ng x\u00f3a s\u1ea1ch CSDL c\u1ee7a n\u00f3:<\/p>\n\n\n\n<ul><li>L\u00fd do \u0111\u1ea7u ti\u00ean m\u00e0 ng\u01b0\u1eddi ta th\u01b0\u1eddng g\u00e1n cho, \u0111\u00f3 l\u00e0 do&nbsp;<strong>c\u00e1c plugin \u0111\u00f3 ch\u01b0a \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf chuy\u00ean nghi\u1ec7p<\/strong>. Ng\u01b0\u1eddi l\u1eadp tr\u00ecnh vi\u00ean ch\u1ec9 ngh\u0129 \u0111\u1ebfn c\u00f4ng n\u0103ng c\u1ee7a s\u1ea3n ph\u1ea9m, m\u00e0 qu\u00ean \u0111i m\u1ea5t chuy\u1ec7n n\u00ean l\u00e0m g\u00ec sau khi ai \u0111\u00f3 g\u1ee1 plugin c\u1ee7a anh\/c\u00f4 ta.<\/li><li>Th\u1ebf nh\u01b0ng b\u1ea1n s\u1ebd th\u1ea5y r\u1eb1ng, nhi\u1ec1u plugin c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t, \u0111\u01b0\u1ee3c c\u1ed9ng \u0111\u1ed3ng \u0111\u00e1nh gi\u00e1 r\u1ea5t cao, v\u00e0 th\u1eadm ch\u00ed m\u1ed9t s\u1ed1 c\u00f2n ph\u1ea3i b\u1ecf ti\u1ec1n ra mua c\u0169ng kh\u00f4ng h\u1ec1 d\u1ecdn d\u1eb9p s\u1ea1ch s\u1ebd CSDL c\u1ee7a h\u1ecd. V\u00ed d\u1ee5&nbsp;<a href=\"https:\/\/www.gravityforms.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin GravityForm<\/a>&nbsp;(m\u1ed9t trong c\u00e1c plugin thu\u1ed9c h\u00e0ng x\u1ecbn x\u00f2 nh\u1ea5t trong l\u0129nh v\u1ef1c form) \u0111\u1ec3 l\u1ea1i c\u00e1c b\u1ea3ng d\u1eef li\u1ec7u kh\u00e1 c\u1ed3ng k\u1ec1nh cho n\u1ed9i dung m\u00e0 ng\u01b0\u1eddi d\u00f9ng nh\u1eadp v\u00e0o form c\u1ee7a h\u1ecd.&nbsp;<a href=\"https:\/\/wordpress.org\/plugins\/wordfence\/\" target=\"_blank\" rel=\"noreferrer noopener\">Wordfence- plugin b\u1ea3o m\u1eadt<\/a>&nbsp;c\u1ef1c k\u1ef3 c\u00f3 ti\u1ebfng c\u0169ng \u0111\u1ec3 l\u1ea1i nhi\u1ec1u b\u1ea3ng d\u1eef li\u1ec7u kh\u00f4ng h\u1ec1 nh\u1ecf. L\u00fd do cho vi\u1ec7c h\u1ecd kh\u00f4ng x\u00f3a c\u00e1c d\u1eef li\u1ec7u n\u00e0y t\u00f4i ngh\u0129 r\u1eb1ng kh\u00f4ng ph\u1ea3i do h\u1ecd kh\u00f4ng ngh\u0129 \u0111\u1ebfn ho\u1eb7c kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng d\u1ecdn d\u1eb9p s\u1ea1ch s\u1ebd, m\u00e0 n\u1eb1m \u1edf ch\u1ed7&nbsp;<strong>c\u00e1c d\u1eef li\u1ec7u c\u0169 \u1ea5y s\u1ebd c\u00f3 \u00edch khi ng\u01b0\u1eddi d\u00f9ng c\u00e0i l\u1ea1i plugin<\/strong>. Ch\u1eb3ng h\u1ea1n m\u1ed9t s\u1ed1 c\u00e0i \u0111\u1eb7t ph\u1ee9c t\u1ea1p v\u1eabn \u0111\u01b0\u1ee3c gi\u1eef nguy\u00ean, c\u00e1c d\u1eef li\u1ec7u quan tr\u1ecdng ng\u00e0y x\u01b0a kh\u00e1ch vi\u1ebfng th\u0103m nh\u1eadp v\u00e0o v\u1eabn c\u00f2n \u0111\u00f3, v\u00e2n v\u00e2n. Ngo\u00e0i ra c\u0169ng r\u1ea5t ch\u00ednh \u0111\u00e1ng \u0111\u1ec3 gi\u1eef l\u1ea1i v\u00e0i ph\u1ea7n d\u1eef li\u1ec7u quan tr\u1ecdng trong gi\u1ea3 \u0111\u1ecbnh c\u00f3 thao t\u00e1c nh\u1ea7m l\u1eabn, ngh\u0129a l\u00e0 c\u00f3 th\u1ec3 ai \u0111\u00f3 s\u01a1 \u00fd g\u1ee1 c\u00e0i \u0111\u1eb7t plugin, v\u00e0 nh\u1edd gi\u1eef l\u1ea1i nh\u01b0 v\u1eady, s\u1ef1 s\u01a1 \u00fd n\u00e0y kh\u00f4ng g\u00e2y ra h\u1eadu qu\u1ea3 tai h\u1ea1i.<\/li><\/ul>\n\n\n\n<p>OK, gi\u1edd th\u00ec ta \u0111\u00e3 hi\u1ec3u nguy\u00ean nh\u00e2n c\u1ee7a vi\u1ec7c kh\u00f4ng th\u1ec3 d\u1ef1a ho\u00e0n to\u00e0n v\u00e0o c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng. Nh\u01b0ng t\u1ed1i \u01b0u CSDL theo c\u00e1ch th\u1ee7 c\u00f4ng c\u0169ng kh\u00f4ng h\u1ec1 \u0111\u01a1n gi\u1ea3n, n\u00f3 \u0111\u00f2i h\u1ecfi b\u1ea1n m\u1ed9t s\u1ed1 th\u1ee9 nh\u01b0:<\/p>\n\n\n\n<ul><li>B\u1ea1n ph\u1ea3i kh\u00e1 quen thu\u1ed9c v\u1edbi WordPress r\u1ed3i, th\u01b0\u1eddng l\u00e0 c\u00f3 kinh nghi\u1ec7m v\u00e0i n\u0103m. N\u1ebfu b\u1ea1n m\u1edbi l\u00e0m quen v\u1edbi WP th\u00ec n\u00ean qu\u00ean chuy\u1ec7n t\u1ed1i \u01b0u h\u00f3a th\u1ee7 c\u00f4ng database!<\/li><li>N\u1eafm \u0111\u01b0\u1ee3c ch\u00fat \u00edt v\u1ec1 k\u1ef9 thu\u1eadt, ch\u1eb3ng h\u1ea1n bi\u1ebft database l\u00e0 g\u00ec, c\u00e1c b\u1ea3ng trong \u0111\u00f3 c\u00f3 vai tr\u00f2 nh\u01b0 th\u1ebf n\u00e0o?<\/li><li>B\u1ea1n l\u00e0 ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb ch\u00ednh c\u1ee7a trang m\u00e0 b\u1ea1n \u0111\u1ecbnh t\u1ed1i \u01b0u th\u1ee7 c\u00f4ng (*)<\/li><\/ul>\n\n\n\n<p>(*): T\u00f4i g\u1eb7p ph\u1ea3i r\u1ea5t nhi\u1ec1u kh\u00f3 kh\u0103n khi t\u1ed1i \u01b0u CSDL th\u1ee7 c\u00f4ng cho trang kh\u00f4ng ph\u1ea3i do b\u1ea3n th\u00e2n l\u00e0 ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb ch\u00ednh. L\u00fd do kh\u00f3 kh\u0103n n\u1eb1m \u1edf ch\u1ed7 b\u1ea1n kh\u00f4ng bi\u1ebft ch\u00ednh x\u00e1c website n\u00e0y t\u1eebng c\u00e0i plugin n\u00e0o, v\u00ec trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p \u0111\u00e2y l\u00e0 th\u00f4ng tin c\u1ea7n ph\u1ea3i c\u00f3 \u0111\u1ec3 ra quy\u1ebft \u0111\u1ecbnh ch\u00ednh x\u00e1c c\u00f3 n\u00ean lo\u1ea1i b\u1ecf d\u1eef li\u1ec7u n\u00e0o hay kh\u00f4ng.<\/p>\n\n\n\n<p>So s\u00e1nh gi\u1eefa t\u1ed1i \u01b0u b\u1eb1ng c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng v\u00e0 t\u1ed1i \u01b0u th\u1ee7 c\u00f4ng: th\u1ef1c ra, \u0111\u00e2y kh\u00f4ng ph\u1ea3i so s\u00e1nh thu\u1ea7n t\u00fay \u0111\u1ed1i l\u1eadp nhau, m\u00e0 n\u00f3 n\u00f3i l\u00ean r\u1eb1ng t\u1ed1i \u01b0u th\u1ee7 c\u00f4ng n\u00ean \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 cho k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t (**). T\u1ed1i \u01b0u th\u1ee7 c\u00f4ng ho\u00e0n to\u00e0n th\u00ec s\u1ebd r\u1ea5t v\u1ea5t v\u1ea3:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>T\u1ed1i \u01b0u b\u1eb1ng c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng<\/strong><\/td><td><strong>T\u1ed1i \u01b0u theo c\u00e1ch th\u1ee7 c\u00f4ng<\/strong><\/td><\/tr><tr><td>C\u1ea7n \u00edt n\u1ec1n t\u1ea3ng k\u1ef9 thu\u1eadt h\u01a1n<\/td><td>C\u1ea7n nhi\u1ec1u n\u1ec1n t\u1ea3ng k\u1ef9 thu\u1eadt h\u01a1n<\/td><\/tr><tr><td>Ch\u1ec9 c\u00f3 kh\u1ea3 n\u0103ng t\u1ed1i \u01b0u \u0111\u01b0\u1ee3c kho\u1ea3ng 50% so v\u1edbi kh\u1ea3 n\u0103ng t\u1ed1t nh\u1ea5t c\u00f3 th\u1ec3<\/td><td>Khi k\u1ebft h\u1ee3p v\u1edbi c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng, t\u1ed1i \u01b0u theo c\u00e1ch th\u1ee7 c\u00f4ng c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c 80 \u2013 90% ti\u1ec1m n\u0103ng t\u1ed1i \u0111a<\/td><\/tr><tr><td>Giao di\u1ec7n tr\u1ef1c quan d\u1ec5 quan s\u00e1t h\u01a1n<\/td><td>Giao di\u1ec7n kh\u00f3 quan s\u00e1t h\u01a1n<\/td><\/tr><tr><td>C\u00f3 nhi\u1ec1u b\u1ed9 l\u1ecdc d\u1ec5 d\u00f9ng<\/td><td>N\u1ebfu kh\u00f4ng am hi\u1ec3u d\u00f2ng l\u1ec7nh s\u1ebd kh\u00f4ng l\u1ecdc \u0111\u01b0\u1ee3c<\/td><\/tr><tr><td>\u0110\u1ed9 ch\u00ednh x\u00e1c khi ph\u00e2n lo\u1ea1i t\u1ef1 \u0111\u1ed9ng kh\u00f4ng cao<\/td><td>Ph\u00e2n lo\u1ea1i c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c t\u01b0\u01a1ng \u0111\u1ed1i cao khi ki\u00ean tr\u00ec t\u00ecm ki\u1ebfm ngu\u1ed3n g\u1ed1c c\u1ee7a d\u1eef li\u1ec7u. K\u1ebft h\u1ee3p v\u1edbi c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng l\u00e0m c\u00f4ng vi\u1ec7c \u0111\u1ee1 n\u1eb7ng nh\u1ecdc h\u01a1n nhi\u1ec1u<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>(**): T\u00f4i c\u00f3 n\u00f3i r\u00f5 h\u01a1n \u00fd n\u00e0y trong ph\u1ea7n&nbsp;<em>M\u1ed9t s\u1ed1 kinh nghi\u1ec7m<\/em>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M\u1ed9t s\u1ed1 kinh nghi\u1ec7m<\/h2>\n\n\n\n<ul><li><strong>Lu\u00f4n c\u00f3 b\u1ea3n backup<\/strong>: D\u00f9 b\u1ea1n t\u1ed1i \u01b0u CSDL t\u1ef1 \u0111\u1ed9ng b\u1eb1ng plugin hay theo c\u00e1ch th\u1ee7 c\u00f4ng&nbsp;<a href=\"https:\/\/kiencang.net\/plugin-updraftplus\/\" target=\"_blank\" rel=\"noreferrer noopener\">h\u00e3y lu\u00f4n t\u1ea1o m\u1ed9t b\u1ea3n backup tr\u01b0\u1edbc<\/a>. Kh\u00f4ng c\u00f3 g\u00ec \u0111\u1ea3m b\u1ea3o l\u00e0 b\u1ea1n s\u1ebd l\u00e0m ch\u00ednh x\u00e1c m\u1ecdi thao t\u00e1c x\u00f3a 100%, v\u00e0 n\u1ebfu nh\u1eabm l\u1eabn ch\u00fang ta c\u00f3 c\u01a1 h\u1ed9i quay l\u1ea1i thay v\u00ec t\u1ef1 d\u1eb1n v\u1eb7t v\u00ec thao t\u00e1c sai n\u00e0o \u0111\u00f3.<\/li><li><strong>C\u1ea9n tr\u1ecdng, ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng<\/strong>: X\u00f3a d\u1eef li\u1ec7u c\u1ea7n r\u1ea5t c\u1ea9n tr\u1ecdng, b\u1edfi v\u00ec n\u1ebfu nh\u1ea7m l\u1eabn v\u00e0 th\u1ee9 b\u1ea1n x\u00f3a l\u1ea1i c\u00f3 vai tr\u00f2 quan tr\u1ecdng tr\u00ean trang th\u00ec h\u1eadu qu\u1ea3 l\u00e0 r\u1ea5t tai h\u1ea1i. \u0110\u00f4i khi vai tr\u00f2 \u0111\u00f3 d\u1ec5 ph\u00e1t hi\u1ec7n, v\u00e0 b\u1ea1n nhanh ch\u00f3ng nh\u1eadn ra m\u00ecnh v\u1eeba l\u00e0m \u0111i\u1ec1u g\u00ec \u0111\u1ea5y kh\u00f4ng \u0111\u00fang. Nh\u01b0ng c\u0169ng c\u00f3 tr\u01b0\u1eddng h\u1ee3p vai tr\u00f2 quan tr\u1ecdng l\u1ea1i r\u1ea5t kh\u00f3 nh\u1eadn bi\u1ebft, v\u00e0 b\u1ea1n b\u1ecf l\u1ee1 c\u01a1 h\u1ed9i s\u1eeda sai v\u00ec kh\u00f4ng nh\u1eadn ra v\u1ea5n \u0111\u1ec1.<\/li><li><strong>T\u00edch c\u1ef1c s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm<\/strong>: C\u00e1c d\u1eef li\u1ec7u kh\u00f4ng r\u00f5 thu\u1ed9c v\u1ec1 \u0111\u00e2u, c\u1ea7n \u0111\u01b0\u1ee3c t\u00ecm ki\u1ebfm \u0111\u1ec3 truy ra ngu\u1ed3n g\u1ed1c c\u1ee7a n\u00f3. \u0110\u00f4i khi vi\u1ec7c n\u00e0y kh\u00e1 d\u1ec5 d\u00e0ng, v\u1edbi c\u00e1c trang nh\u01b0&nbsp;<a href=\"https:\/\/plugintests.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugintests.com<\/a>&nbsp;cung c\u1ea5p th\u00f4ng tin t\u00ean c\u00e1c b\u1ea3ng, c\u00e1c options v\u00e0 c\u00e1c file c\u1ee7a r\u1ea5t nhi\u1ec1u plugin ph\u1ed5 bi\u1ebfn. Nh\u01b0ng c\u0169ng kh\u00f4ng hi\u1ebfm tr\u01b0\u1eddng h\u1ee3p kh\u00f3 t\u00ecm, nh\u1ea5t l\u00e0 khi plugin \u0111\u00f3 kh\u00f4ng ph\u1ed5 bi\u1ebfn, ho\u1eb7c c\u00e1c phi\u00ean b\u1ea3n c\u1eadp nh\u1eadt m\u1edbi h\u01a1n c\u1ee7a n\u00f3 \u0111\u00e3 thay \u0111\u1ed5i t\u00ean c\u00e1c b\u1ea3ng, file.<\/li><li><strong>C\u00e1c c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng t\u1ed1i \u01b0u h\u00f3a v\u1eabn c\u1ef1c k\u1ef3 c\u00f3 \u00edch<\/strong>: N\u00f3 nhanh ch\u00f3ng cho b\u1ea1n c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 database, kh\u1ea3 n\u0103ng l\u1ecdc, s\u1eafp x\u1ebfp theo t\u00ean, v\u00e2n v\u00e2n. Ngo\u00e0i ra thao t\u00e1c tr\u00ean c\u00f4ng c\u1ee5, v\u00ed d\u1ee5 nh\u01b0 x\u00f3a b\u1ea3ng s\u1ebd \u00edt nh\u1ea7m l\u1eabn h\u01a1n, v\u00ec giao di\u1ec7n c\u1ee7a n\u00f3 d\u1ec5 d\u00f9ng h\u01a1n sao v\u1edbi vi\u1ec7c b\u1ea1n thao t\u00e1c tr\u1ef1c ti\u1ebfp tr\u00ean PHPMyAdmin (t\u1ea5t nhi\u00ean tr\u1eeb khi b\u1ea1n l\u00e0 ng\u01b0\u1eddi th\u00e0nh th\u1ea1o PHP). M\u1ed9t \u0111i\u1ec1u \u0111\u00e1ng n\u00f3i n\u1eefa, \u0111\u1ea5y l\u00e0 t\u1ed1i \u01b0u database theo c\u00e1ch th\u1ee7 c\u00f4ng t\u1eadp trung v\u00e0o vi\u1ec7c x\u00f3a c\u00e1c b\u1ea3ng, d\u00f2ng d\u1eef li\u1ec7u d\u01b0 th\u1eeba. Trong khi c\u00e1c c\u00f4ng c\u1ee5 c\u00f2n can thi\u1ec7p \u0111\u01b0\u1ee3c v\u00e0o cron jobs v\u00e0 options.<\/li><li><strong>Xem d\u1eef li\u1ec7u c\u1ee7a c\u00e1c b\u1ea3ng c\u1ee5 th\u1ec3 l\u00e0 g\u00ec c\u00f3 th\u1ec3 h\u1eefu \u00edch<\/strong>: N\u00f3 c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n bi\u1ebft \u0111\u01b0\u1ee3c b\u1ea3ng n\u00e0y t\u1eebng d\u00f9ng v\u00e0o vi\u1ec7c g\u00ec v\u00e0 th\u1eadm ch\u00ed th\u1eddi gian s\u1eed d\u1ee5ng n\u00f3. T\u00f4i t\u1eebng r\u1ea5t \u0111\u1eafn \u0111o kh\u00f4ng bi\u1ebft c\u00f3 n\u00ean x\u00f3a m\u1ed9t b\u1ea3ng hay kh\u00f4ng cho \u0111\u1ebfn khi xem d\u1eef li\u1ec7u c\u1ee7a n\u00f3. B\u1ea3ng cho th\u1ea5y t\u00f4i ch\u1ec9 d\u00f9ng plugin n\u00e0y 2 ng\u00e0y, v\u00e0 c\u00e1ch th\u1eddi \u0111i\u1ec3m t\u00f4i \u0111ang ki\u1ec3m tra nh\u1eefng 3 n\u0103m! N\u00f3 thu\u1ed9c v\u1ec1 m\u1ed9t plugin m\u00e0 t\u00f4i th\u1eed nghi\u1ec7m c\u00e1ch \u0111\u00e2y \u0111\u00e3 l\u00e2u.<\/li><li><strong>C\u00e1c b\u1ea3ng thu\u1ed9c v\u1ec1 c\u00f9ng m\u1ed9t plugin th\u01b0\u1eddng c\u00f3 ti\u1ec1n t\u1ed1 gi\u1ed1ng nhau<\/strong>: V\u00ed d\u1ee5,&nbsp;<em>wp_ig<\/em>_cache;&nbsp;<em>wp_ig<\/em>_rate,&nbsp;<em>wp_ig<\/em>_emails. Nh\u1edd v\u1eady khi b\u1ea1n ph\u00e1t hi\u1ec7n ra m\u1ed9t b\u1ea3ng v\u00f4 \u00edch, ho\u1eb7c m\u1ed9t options v\u00f4 \u00edch, b\u1ea1n s\u1ebd nhanh ch\u00f3ng t\u00ecm ra c\u00e1c \u201cb\u1ea1n b\u00e8 c\u00f9ng h\u1ed9i c\u00f9ng thuy\u1ec1n\u201d c\u1ee7a n\u00f3. Nh\u01b0ng \u0111i\u1ec1u n\u00e0y kh\u00f4ng ch\u00ednh x\u00e1c 100%, d\u00f9 hi\u1ebfm khi x\u1ea3y ra. Do v\u1eady b\u1ecf th\u00eam m\u1ed9t ch\u00fat th\u1eddi gian \u0111\u1ec3 ki\u1ec3m tra c\u0169ng kh\u00f4ng th\u1eeba.<\/li><li><strong>C\u00e1c b\u1ea3ng c\u00f3 r\u1ea5t \u00edt d\u1eef li\u1ec7u ho\u1eb7c kh\u00f4ng c\u00f3 d\u1eef li\u1ec7u c\u00f3 th\u1ec3 l\u00e0 d\u01b0 th\u1eeba<\/strong>: B\u1ea1n c\u00f3 kh\u1ea3 n\u0103ng th\u1ea5y nhi\u1ec1u b\u1ea3ng ch\u1eb3ng c\u00f3 h\u00e0ng d\u1eef li\u1ec7u n\u00e0o, n\u00f3 c\u00f3 th\u1ec3 thu\u1ed9c v\u1ec1 plugin c\u0169 k\u1ef9 n\u00e0o \u0111\u1ea5y \u0111\u00e3 g\u1ee1 b\u1ecf t\u1eeb l\u00e2u. Tuy nhi\u00ean, l\u00fac n\u00e0o c\u0169ng c\u00f3 ngo\u1ea1i l\u1ec7,&nbsp;<em>m\u1ed9t b\u1ea3ng c\u1ee7a plugin \u0111ang d\u00f9ng c\u0169ng c\u00f3 th\u1ec3 kh\u00f4ng ch\u1ee9a d\u1eef li\u1ec7u<\/em>, v\u00ec b\u1ea3ng \u0111\u00f3 \u0111\u1ea1i di\u1ec7n cho m\u1ed9t ch\u1ee9c n\u0103ng m\u00e0 b\u1ea1n kh\u00f4ng d\u00f9ng \u0111\u1ebfn.<\/li><li><strong>Lu\u00f4n ki\u1ec3m tra l\u1ea1i th\u1eadt k\u1ef9 website sau khi t\u1ed1i \u01b0u<\/strong>: Ch\u1ec9 c\u00f3 v\u1eady m\u1edbi \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c r\u1eb1ng b\u1ea1n kh\u00f4ng x\u00f3a nh\u1ea7m nh\u1eefng th\u1ee9 h\u1eefu \u00edch. Trang c\u1ee7a b\u1ea1n c\u00e0ng ph\u1ee9c t\u1ea1p, th\u1eddi gian c\u1ea7n b\u1ecf ra ki\u1ec3m tra c\u00e0ng nhi\u1ec1u h\u01a1n.<\/li><li><strong>Tr\u00e1nh l\u01b0u gi\u1eef nh\u1eefng d\u1eef li\u1ec7u kh\u00f4ng c\u1ea7n thi\u1ebft<\/strong>: C\u00e1c plugin quiz, plugin affiliate, plugin form, b\u1ea3o m\u1eadt hay n\u00f3i chung l\u00e0 c\u00e1c plugin c\u00f3 \u00e1p d\u1ee5ng vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng l\u00e0m gia t\u0103ng nhanh ch\u00f3ng database c\u1ee7a b\u1ea1n. Nh\u1ea5t l\u00e0 khi b\u1ea1n c\u00f3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp l\u1edbn. T\u00f4i m\u1edbi ph\u00e1t hi\u1ec7n ra&nbsp;<a href=\"https:\/\/kiencang.net\/plugin-pretty-links\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin Shortlinks by Pretty Links<\/a>&nbsp;l\u01b0u m\u1ed9t l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn nh\u01b0 th\u1ebf n\u00e0o. H\u01a1n 70MB d\u1eef li\u1ec7u (chi\u1ebfm g\u1ea7n m\u1ed9t n\u1eeda CSDL c\u1ee7a to\u00e0n trang l\u00fac \u0111\u00f3). Nguy\u00ean nh\u00e2n k\u1ebft h\u1ee3p t\u1eeb hai th\u1ee9, n\u00f3 l\u01b0u gi\u1eef qu\u00e1 nhi\u1ec1u tr\u01b0\u1eddng th\u00f4ng tin (tr\u00ecnh duy\u1ec7t ng\u01b0\u1eddi d\u00f9ng, th\u1eddi gian click, IP, click tr\u00ean trang n\u00e0o, s\u1ed1 l\u01b0\u1ee3t b\u1ea5m, v\u00e2n v\u00e2n) v\u00e0 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ebfn n\u00f3 \u0111\u1ee7 l\u1edbn \u0111\u1ec3 t\u1ea1o ra r\u1ea5t nhi\u1ec1u h\u00e0ng d\u1eef li\u1ec7u. Trong khi l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp t\u0103ng l\u00e0 \u0111i\u1ec1u m\u1eebng r\u1ee1, do v\u1eady \u0111\u1ec3 gi\u1ea3m d\u1eef li\u1ec7u l\u01b0u tr\u00ean database gi\u1ea3i ph\u00e1p kh\u1ea3 d\u0129 l\u00e0 ta&nbsp;<strong><em>ch\u1ec9 n\u00ean l\u01b0u l\u1ea1i tr\u01b0\u1eddng th\u00f4ng tin quan tr\u1ecdng th\u00f4i<\/em><\/strong>. Ch\u1eb3ng h\u1ea1n trong v\u00ed d\u1ee5 tr\u00ean, t\u00f4i ch\u1eb3ng bao gi\u1edd xem th\u1eddi gian click, IP hay tr\u00ecnh duy\u1ec7t ng\u01b0\u1eddi d\u00f9ng (m\u1eb7c d\u00f9 m\u1edbi \u0111\u1ea7u t\u00f4i ngh\u0129 t\u00f4i s\u1ebd ph\u00e2n t\u00edch ch\u00fang k\u1ef9 l\u1eafm!), t\u00f4i \u01b0u ti\u00ean h\u01a1n xem link c\u00f3 bao nhi\u00eau l\u01b0\u1ee3t click, v\u00e0 t\u00f4i ch\u1ec9 ch\u1ecdn l\u01b0u d\u1eef li\u1ec7u n\u00e0y. T\u1ea5t nhi\u00ean c\u00e1i n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ea1n, n\u1ebfu d\u1eef li\u1ec7u l\u00e0 quan tr\u1ecdng, b\u1ea1n c\u1ea7n ph\u1ea3i l\u01b0u l\u1ea1i d\u00f9 n\u00f3 chi\u1ebfm dung l\u01b0\u1ee3ng l\u1edbn.<\/li><li><strong>X\u00f3a d\u1eef li\u1ec7u \u0111\u00e3 l\u01b0u th\u00f4ng qua ch\u00ednh plugin \u0111\u00f3<\/strong>: C\u00e1c plugin l\u01b0u gi\u1eef d\u1eef li\u1ec7u c\u0169ng th\u01b0\u1eddng cho ph\u00e9p x\u00f3a d\u1eef li\u1ec7u t\u1eeb giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng c\u1ee7a ch\u00ednh n\u00f3 (\u0111\u00e2y l\u00e0 m\u1ed9t d\u1ea5u hi\u1ec7u cho th\u1ea5y plugin n\u00e0o \u0111\u00f3 c\u00f3 \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh t\u1ed1t hay kh\u00f4ng). \u0110i\u1ec1u n\u00e0y c\u00f3 \u00edch. C\u00e1c d\u1eef li\u1ec7u kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng quan tr\u1ecdng, ch\u1eb3ng h\u1ea1n khi ph\u00e2n t\u00edch xong d\u1eef li\u1ec7u c\u0169 b\u1ea1n c\u00f3 th\u1ec3 x\u00f3a \u0111\u01b0\u1ee3c ch\u00fang. H\u00e3y t\u1eadn d\u1ee5ng t\u00ednh n\u0103ng n\u00e0y \u0111\u1ec3 database kh\u00f4ng ph\u00ecnh to.<\/li><li><strong>V\u00e0i th\u00e1ng m\u1ed9t l\u1ea7n h\u00e3y ki\u1ec3m tra CSDL \u0111\u1ec3 xem c\u00f3 g\u00ec b\u1ea5t th\u01b0\u1eddng kh\u00f4ng<\/strong>: B\u1ea1n h\u00e3y s\u1eafp x\u1ebfp theo dung l\u01b0\u1ee3ng ho\u1eb7c theo s\u1ed1 b\u1ea3n ghi (h\u00e0ng d\u1eef li\u1ec7u) \u0111\u1ec3 ph\u00e1t hi\u1ec7n ra c\u00e1c b\u1ea3ng b\u1ea5t th\u01b0\u1eddng. Nh\u01b0ng b\u1ea3ng c\u00f3 gi\u00e1 tr\u1ecb qu\u00e1 l\u1edbn c\u00f3 th\u1ec3 cho th\u1ea5y c\u00f3 \u0111i\u1ec1u g\u00ec kh\u00f4ng \u0111\u00fang ho\u1eb7c \u00edt nh\u1ea5t l\u00e0 ch\u01b0a t\u1ed1i \u01b0u.<\/li><li><strong>Khuynh h\u01b0\u1edbng \u01b0a d\u00f9ng ki\u1ec3u b\u1ea3ng InnoDB h\u01a1n l\u00e0 so v\u1edbi MyISAM<\/strong>: T\u00f4i ch\u1ec9 bi\u1ebft v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng l\u00e0 nh\u01b0 v\u1eady, ch\u01b0a nghi\u00ean c\u1ee9u \u0111\u1ee7 s\u00e2u \u0111\u1ec3 b\u00e0n k\u1ef9 l\u01b0\u1ee1ng. Nh\u01b0ng c\u00f3 v\u1ebb InnoDB cho hi\u1ec7u su\u1ea5t c\u00e2n b\u1eb1ng h\u01a1n \u1edf c\u1ea3 \u0111\u1ecdc l\u1eabn ghi, c\u0169ng nh\u01b0 t\u00ednh \u1ed5n \u0111\u1ecbnh cao h\u01a1n c\u1ee7a n\u00f3 khi ph\u1ea3i x\u1eed l\u00fd v\u1edbi l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn.<\/li><li><strong>K\u1ebft qu\u1ea3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00f3 th\u1ec3 khi\u1ebfn b\u1ea1n ng\u1ea1c nhi\u00ean \u0111\u1ea5y<\/strong>: C\u00e1 nh\u00e2n t\u00f4i \u0111\u00e3 gi\u1ea3m \u0111\u01b0\u1ee3c kho\u1ea3ng 75% dung l\u01b0\u1ee3ng database- t\u1eeb h\u01a1n 160MB xu\u1ed1ng ch\u1ec9 c\u00f2n ch\u01b0a \u0111\u1ebfn 40MB b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p c\u1ea3 plugin t\u1ed1i \u01b0u t\u1ef1 \u0111\u1ed9ng, v\u00e0 ti\u1ebfn h\u00e0nh ph\u00e2n lo\u1ea1i th\u1ee7 c\u00f4ng sau \u0111\u00f3. M\u1ed9t trong nh\u1eefng l\u00fd do t\u00f4i c\u00f3 \u0111\u01b0\u1ee3c con s\u1ed1 \u1ea5n t\u01b0\u1ee3ng tr\u00ean l\u00e0 v\u00ec \u0111\u00e2y l\u00e0 trang t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u1ed9ng (th\u01b0\u1eddng l\u01b0u l\u1ea1i database) v\u00e0 \u0111\u00e3 5 n\u0103m r\u1ed3i ch\u01b0a can thi\u1ec7p s\u00e2u \u0111\u1ebfn n\u00f3 (ngo\u00e0i vi\u1ec7c ch\u1ec9 l\u1edbt ph\u1edbt lo\u1ea1i b\u1ecf c\u00e1c revisions \u2013 \u0111\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng th\u1ee9 \u0111\u01a1n gi\u1ea3n nh\u1ea5t khi \u0111\u1ec1 c\u1eadp \u0111\u1ebfn t\u1ed1i \u01b0u CSDL).<\/li><li><strong>Cu\u1ed1i c\u00f9ng<\/strong>: T\u1ed1i \u01b0u database kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 website t\u1ed1t h\u01a1n, \u1edf nhi\u1ec1u kh\u00eda c\u1ea1nh n\u00f3 c\u00f2n gi\u00fap&nbsp;<a href=\"https:\/\/kiencang.net\/website-uptime\/\" target=\"_blank\" rel=\"noreferrer noopener\">duy tr\u00ec t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 li\u1ec1n m\u1ea1ch c\u1ee7a trang<\/a>&nbsp;nh\u1edd tr\u00e1nh \u0111\u01b0\u1ee3c qu\u00e1 t\u1ea3i.<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>C\u00f3 \u0111\u00f4i \u0111i\u1ec1u t\u00f4i mu\u1ed1n n\u00f3i v\u1ec1 v\u1ea5n \u0111\u1ec1 CSDL (database) trong WordPress. Th\u1ee9 nh\u1ea5t, qu\u1ea3 th\u1eadt \u0111\u00fang khi ai \u0111\u00f3 n\u00f3i r\u1eb1ng: ngay c\u1ea3 nh\u1eefng ng\u01b0\u1eddi c\u00f3&nbsp;kinh nghi\u1ec7m s\u1eed d\u1ee5ng WordPress&nbsp;v\u00e0 quan t\u00e2m \u0111\u1ebfn t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9 c\u0169ng th\u01b0\u1eddng qu\u00ean m\u1ea5t v\u1ea5n \u0111\u1ec1 n\u00e0y! Hai l\u00e0:&nbsp;t\u1ed1i \u01b0u h\u00f3a database&nbsp;b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 t\u1ef1 &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[263],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>T\u1ed1i \u01b0u h\u00f3a database c\u1ee7a WordPress theo c\u00e1ch th\u1ee7 c\u00f4ng &#8226; Ki\u1ebfn c\u00e0ng<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kiencang.net\/toi-uu-hoa-csdl-wordpress\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"T\u1ed1i \u01b0u h\u00f3a database c\u1ee7a WordPress theo c\u00e1ch th\u1ee7 c\u00f4ng &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"C\u00f3 \u0111\u00f4i \u0111i\u1ec1u t\u00f4i mu\u1ed1n n\u00f3i v\u1ec1 v\u1ea5n \u0111\u1ec1 CSDL (database) trong WordPress. Th\u1ee9 nh\u1ea5t, qu\u1ea3 th\u1eadt \u0111\u00fang khi ai \u0111\u00f3 n\u00f3i r\u1eb1ng: ngay c\u1ea3 nh\u1eefng ng\u01b0\u1eddi c\u00f3&nbsp;kinh nghi\u1ec7m s\u1eed d\u1ee5ng WordPress&nbsp;v\u00e0 quan t\u00e2m \u0111\u1ebfn t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9 c\u0169ng th\u01b0\u1eddng qu\u00ean m\u1ea5t v\u1ea5n \u0111\u1ec1 n\u00e0y! Hai l\u00e0:&nbsp;t\u1ed1i \u01b0u h\u00f3a database&nbsp;b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 t\u1ef1 &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kiencang.net\/toi-uu-hoa-csdl-wordpress\/\" \/>\n<meta property=\"og:site_name\" content=\"Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/anhducnguyen87\/\" \/>\n<meta property=\"article:published_time\" content=\"2021-07-31T12:06:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-07-31T13:40:06+00:00\" \/>\n<meta name=\"author\" content=\"Nguy\u1ec5n \u0110\u1ee9c Anh\" \/>\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=\"Nguy\u1ec5n \u0110\u1ee9c Anh\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"18 ph\u00fat\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"T\u1ed1i \u01b0u h\u00f3a database c\u1ee7a WordPress theo c\u00e1ch th\u1ee7 c\u00f4ng &#8226; Ki\u1ebfn c\u00e0ng","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:\/\/kiencang.net\/toi-uu-hoa-csdl-wordpress\/","og_locale":"vi_VN","og_type":"article","og_title":"T\u1ed1i \u01b0u h\u00f3a database c\u1ee7a WordPress theo c\u00e1ch th\u1ee7 c\u00f4ng &#8226; Ki\u1ebfn c\u00e0ng","og_description":"C\u00f3 \u0111\u00f4i \u0111i\u1ec1u t\u00f4i mu\u1ed1n n\u00f3i v\u1ec1 v\u1ea5n \u0111\u1ec1 CSDL (database) trong WordPress. Th\u1ee9 nh\u1ea5t, qu\u1ea3 th\u1eadt \u0111\u00fang khi ai \u0111\u00f3 n\u00f3i r\u1eb1ng: ngay c\u1ea3 nh\u1eefng ng\u01b0\u1eddi c\u00f3&nbsp;kinh nghi\u1ec7m s\u1eed d\u1ee5ng WordPress&nbsp;v\u00e0 quan t\u00e2m \u0111\u1ebfn t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9 c\u0169ng th\u01b0\u1eddng qu\u00ean m\u1ea5t v\u1ea5n \u0111\u1ec1 n\u00e0y! Hai l\u00e0:&nbsp;t\u1ed1i \u01b0u h\u00f3a database&nbsp;b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 t\u1ef1 &hellip;","og_url":"https:\/\/kiencang.net\/toi-uu-hoa-csdl-wordpress\/","og_site_name":"Ki\u1ebfn c\u00e0ng","article_author":"https:\/\/www.facebook.com\/anhducnguyen87\/","article_published_time":"2021-07-31T12:06:00+00:00","article_modified_time":"2022-07-31T13:40:06+00:00","author":"Nguy\u1ec5n \u0110\u1ee9c Anh","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"Nguy\u1ec5n \u0110\u1ee9c Anh","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"18 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/kiencang.net\/toi-uu-hoa-csdl-wordpress\/","url":"https:\/\/kiencang.net\/toi-uu-hoa-csdl-wordpress\/","name":"T\u1ed1i \u01b0u h\u00f3a database c\u1ee7a WordPress theo c\u00e1ch th\u1ee7 c\u00f4ng &#8226; Ki\u1ebfn c\u00e0ng","isPartOf":{"@id":"https:\/\/kiencang.net\/#website"},"datePublished":"2021-07-31T12:06:00+00:00","dateModified":"2022-07-31T13:40:06+00:00","author":{"@id":"https:\/\/kiencang.net\/#\/schema\/person\/5e7e1a04d8d1218ad8c421ba43d25c16"},"breadcrumb":{"@id":"https:\/\/kiencang.net\/toi-uu-hoa-csdl-wordpress\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/kiencang.net\/toi-uu-hoa-csdl-wordpress\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/kiencang.net\/toi-uu-hoa-csdl-wordpress\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/kiencang.net\/"},{"@type":"ListItem","position":2,"name":"T\u1ed1i \u01b0u h\u00f3a database c\u1ee7a WordPress theo c\u00e1ch th\u1ee7 c\u00f4ng"}]},{"@type":"WebSite","@id":"https:\/\/kiencang.net\/#website","url":"https:\/\/kiencang.net\/","name":"Ki\u1ebfn c\u00e0ng","description":"\u00d4m l\u00fd thuy\u1ebft, h\u00f4n th\u1ef1c h\u00e0nh","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/kiencang.net\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"vi"},{"@type":"Person","@id":"https:\/\/kiencang.net\/#\/schema\/person\/5e7e1a04d8d1218ad8c421ba43d25c16","name":"Nguy\u1ec5n \u0110\u1ee9c Anh","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/kiencang.net\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/6d71f9b89393952a8382e30dad26c1ec?s=96&d=monsterid&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/6d71f9b89393952a8382e30dad26c1ec?s=96&d=monsterid&r=g","caption":"Nguy\u1ec5n \u0110\u1ee9c Anh"},"description":"Sinh n\u0103m 1987, t\u1ed1t nghi\u1ec7p Cao \u0111\u1eb3ng th\u1ef1c h\u00e0nh FPT qu\u00e3ng 2014, chuy\u00ean ng\u00e0nh Thi\u1ebft k\u1ebf website. 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