{"id":123,"date":"2024-06-14T11:52:10","date_gmt":"2024-06-14T03:52:10","guid":{"rendered":"http:\/\/zhaoyanqi.cn\/?p=123"},"modified":"2024-06-19T22:14:54","modified_gmt":"2024-06-19T14:14:54","slug":"123","status":"publish","type":"post","link":"https:\/\/zhaoyanqi.cn\/?p=123","title":{"rendered":"\u5b9e\u9a8c\uff1amysql\u4e00\u4e9b\u57fa\u672c\u64cd\u4f5c\uff08\u5efa\u5e93\u8868\uff0c\u589e\u5220\u6539\uff09"},"content":{"rendered":"\n<p id=\"uf19c714f\">\u4ee5\u4e0b\u662f\u901a\u8fc7MySQL\u547d\u4ee4\u521b\u5efa\u6570\u636e\u5e93\u548c\u8868\uff0c\u63d2\u5165\u8bb0\u5f55\uff0c\u5220\u9664\u8bb0\u5f55\uff0c\u6e05\u7a7a\u8868\u4ee5\u53ca\u5220\u9664\u8868\u7684\u8be6\u7ec6\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"48723df5\">1. \u767b\u5f55 MySQL<\/h3>\n\n\n\n<p id=\"u30b4b210\">\u9996\u5148\uff0c\u767b\u5f55\u5230 MySQL \u6570\u636e\u5e93\uff1a<\/p>\n\n\n\n<pre id=\"d2a675df\" class=\"wp-block-code\"><code>\/usr\/local\/mysql\/bin\/mysql -u root -p<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"34eb16c8\">2. \u521b\u5efa\u6570\u636e\u5e93 <code>wordpress<\/code><\/h3>\n\n\n\n<pre id=\"b6bbc881\" class=\"wp-block-code\"><code>CREATE DATABASE wordpress;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"5ec48ecb\">3. \u4f7f\u7528 <code>wordpress<\/code> \u6570\u636e\u5e93<\/h3>\n\n\n\n<pre id=\"298f5ef4\" class=\"wp-block-code\"><code>USE wordpress;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"049c5940\">4. \u521b\u5efa\u8868 <code>userinfo<\/code><\/h3>\n\n\n\n<pre id=\"a3930707\" class=\"wp-block-code\"><code>CREATE TABLE userinfo (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(50),\n    age INT,\n    gender VARCHAR(10)\n);<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"8a41f4d8\">5. \u67e5\u770b\u8868\u7ed3\u6784<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"12a562a7\">6. \u63d2\u5165 10 \u6761\u8bb0\u5f55<\/h3>\n\n\n\n<pre id=\"86556be5\" class=\"wp-block-code\"><code>DESCRIBE userinfo;<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/06\/image-2-1024x310.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"310\" data-original=\"https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/06\/image-2-1024x310.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-133\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<pre id=\"9c30046f\" class=\"wp-block-code\"><code>INSERT INTO userinfo (name, age, gender) VALUES \n('Alice', 25, 'Female'),\n('Bob', 30, 'Male'),\n('Charlie', 22, 'Male'),\n('David', 35, 'Male'),\n('Eve', 28, 'Female'),\n('Frank', 33, 'Male'),\n('Grace', 26, 'Female'),\n('Hank', 40, 'Male'),\n('Ivy', 29, 'Female'),\n('Jack', 31, 'Male');<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/06\/image-1.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"369\" height=\"430\" data-original=\"https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/06\/image-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-132\"  sizes=\"auto, (max-width: 369px) 100vw, 369px\" \/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"e59685f0\">7. \u5220\u9664\u524d 3 \u6761\u8bb0\u5f55\u548c\u540e 4 \u6761\u8bb0\u5f55<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"0c1dee16\">\u5220\u9664\u524d 3 \u6761\u8bb0\u5f55<\/h4>\n\n\n\n<pre id=\"adc3062d\" class=\"wp-block-code\"><code>DELETE FROM userinfo ORDER BY id LIMIT 3;<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/06\/image-3.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"329\" height=\"371\" data-original=\"https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/06\/image-3.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-134\"  sizes=\"auto, (max-width: 329px) 100vw, 329px\" \/><\/div><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"ec60b5d6\">\u5220\u9664\u540e 4 \u6761\u8bb0\u5f55<\/h4>\n\n\n\n<pre id=\"13494f33\" class=\"wp-block-code\"><code>DELETE FROM userinfo ORDER BY id DESC LIMIT 4;<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/06\/image-4.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"326\" height=\"237\" data-original=\"https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/06\/image-4.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-135\"  sizes=\"auto, (max-width: 326px) 100vw, 326px\" \/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"49577f0c\">8. \u5220\u9664\u540d\u5b57\u7b49\u4e8e <code>egon<\/code> \u7684\u8bb0\u5f55<\/h3>\n\n\n\n<p id=\"ub9d553b3\">\u5047\u8bbe\u63d2\u5165\u4e86\u540d\u4e3a <code>egon<\/code> \u7684\u8bb0\u5f55\uff0c\u6211\u4eec\u5148\u63d2\u5165\u8be5\u8bb0\u5f55\uff1a<\/p>\n\n\n\n<pre id=\"9b188135\" class=\"wp-block-code\"><code>INSERT INTO userinfo (name, age, gender) VALUES ('egon', 27, 'Male');<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/06\/image-5.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"763\" height=\"344\" data-original=\"https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/06\/image-5.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-136\"  sizes=\"auto, (max-width: 763px) 100vw, 763px\" \/><\/div><\/figure>\n\n\n\n<p id=\"u71858b59\">\u7136\u540e\u5220\u9664\u8be5\u8bb0\u5f55\uff1a<\/p>\n\n\n\n<pre id=\"58525619\" class=\"wp-block-code\"><code>DELETE FROM userinfo WHERE name = 'egon';<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/06\/image-6.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"508\" height=\"316\" data-original=\"https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/06\/image-6.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-137\"  sizes=\"auto, (max-width: 508px) 100vw, 508px\" \/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"a626d36b\">9. \u6e05\u7a7a\u6574\u5f20\u8868<\/h3>\n\n\n\n<pre id=\"1615fa97\" class=\"wp-block-code\"><code>TRUNCATE TABLE userinfo;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"cd194359\">10. \u5220\u9664\u8868<\/h3>\n\n\n\n<pre id=\"35058337\" class=\"wp-block-code\"><code>DROP TABLE userinfo;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"85561f72\">11. \u9a8c\u8bc1<\/h3>\n\n\n\n<p id=\"u5e4341d9\">\u786e\u4fdd\u6bcf\u4e00\u6b65\u90fd\u6210\u529f\u6267\u884c\uff0c\u5e76\u4e14\u5728\u5220\u9664\u8868\u4e4b\u524d\u67e5\u770b\u8868\u4e2d\u7684\u6570\u636e\uff1a<\/p>\n\n\n\n<pre id=\"82e72057\" class=\"wp-block-code\"><code>SELECT * FROM userinfo;<\/code><\/pre>\n\n\n\n<p id=\"u3f353aab\">\u901a\u8fc7\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u60a8\u5c06\u80fd\u591f\u521b\u5efa\u6570\u636e\u5e93\u548c\u8868\uff0c\u63d2\u5165\u8bb0\u5f55\uff0c\u5220\u9664\u8bb0\u5f55\uff0c\u6e05\u7a7a\u8868\u4ee5\u53ca\u5220\u9664\u8868\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/06\/image-7.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"646\" height=\"317\" data-original=\"https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/06\/image-7.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-138\"  sizes=\"auto, (max-width: 646px) 100vw, 646px\" \/><\/div><\/figure>\n\n\n\n<p id=\"uf5fcd268\">\u4ee5\u4e0b\u662f\u901a\u8fc7MySQL\u547d\u4ee4\u521b\u5efa\u6570\u636e\u5e93<code>db01<\/code>\uff0c\u67e5\u770b\u6570\u636e\u5e93\u4fe1\u606f\uff0c\u4fee\u6539\u5b57\u7b26\u7f16\u7801\u4e3a<code>utf8mb4<\/code>\uff0c\u5e76\u6700\u7ec8\u5220\u9664\u6570\u636e\u5e93\u7684\u8be6\u7ec6\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2626ccec\">12. \u521b\u5efa\u6570\u636e\u5e93 <code>db01<\/code><\/h3>\n\n\n\n<pre id=\"e0c37998\" class=\"wp-block-code\"><code>CREATE DATABASE db01;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"9f0c7db2\">13. \u67e5\u770b\u6570\u636e\u5e93\u4fe1\u606f<\/h3>\n\n\n\n<p id=\"u7b0add58\">\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u6240\u6709\u6570\u636e\u5e93\u7684\u4fe1\u606f\uff0c\u5305\u62ec <code>db01<\/code>\uff1a<\/p>\n\n\n\n<pre id=\"09ae5cac\" class=\"wp-block-code\"><code>SHOW DATABASES;<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/06\/image-9.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"260\" height=\"313\" data-original=\"https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/06\/image-9.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-145\"  sizes=\"auto, (max-width: 260px) 100vw, 260px\" \/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"25a0b31e\">14. \u67e5\u770b <code>db01<\/code> \u6570\u636e\u5e93\u7684\u8be6\u7ec6\u4fe1\u606f<\/h3>\n\n\n\n<p id=\"ub311bc2a\">\u67e5\u770b <code>db01<\/code> \u6570\u636e\u5e93\u7684\u5b57\u7b26\u96c6\u548c\u6392\u5e8f\u89c4\u5219\uff1a<\/p>\n\n\n\n<pre id=\"13d40804\" class=\"wp-block-code\"><code>SELECT SCHEMA_NAME, DEFAULT_CHARACTER_SET_NAME, DEFAULT_COLLATION_NAME\nFROM information_schema.SCHEMATA\nWHERE SCHEMA_NAME = 'db01';<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"ca2ec281\">15. \u4fee\u6539\u6570\u636e\u5e93\u5b57\u7b26\u7f16\u7801\u4e3a <code>utf8mb4<\/code><\/h3>\n\n\n\n<pre id=\"38f19fee\" class=\"wp-block-code\"><code>ALTER DATABASE db01 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1585620f\">16. \u9a8c\u8bc1\u4fee\u6539\u540e\u7684\u5b57\u7b26\u7f16\u7801<\/h3>\n\n\n\n<p id=\"u3080a4e9\">\u518d\u6b21\u67e5\u770b <code>db01<\/code> \u6570\u636e\u5e93\u7684\u5b57\u7b26\u96c6\u548c\u6392\u5e8f\u89c4\u5219\uff0c\u4ee5\u786e\u8ba4\u66f4\u6539\u5df2\u751f\u6548\uff1a<\/p>\n\n\n\n<pre id=\"13d40804-1\" class=\"wp-block-code\"><code>SELECT SCHEMA_NAME, DEFAULT_CHARACTER_SET_NAME, DEFAULT_COLLATION_NAME\nFROM information_schema.SCHEMATA\nWHERE SCHEMA_NAME = 'db01';<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/06\/image-10-1024x164.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"164\" data-original=\"https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/06\/image-10-1024x164.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-146\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3be420d9\">17. \u5220\u9664\u6570\u636e\u5e93 <code>db01<\/code><\/h3>\n\n\n\n<pre id=\"30ad525e\" class=\"wp-block-code\"><code>DROP DATABASE db01;<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee5\u4e0b\u662f\u901a\u8fc7MySQL\u547d\u4ee4\u521b\u5efa\u6570\u636e\u5e93\u548c\u8868\uff0c\u63d2\u5165\u8bb0\u5f55\uff0c\u5220\u9664\u8bb0\u5f55\uff0c\u6e05\u7a7a\u8868\u4ee5\u53ca\u5220\u9664\u8868\u7684\u8be6\u7ec6\u6b65\u9aa4\uff1a 1. \u767b\u5f55 MySQ 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