{"id":6270,"date":"2024-11-14T11:42:42","date_gmt":"2024-11-14T03:42:42","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6270\/"},"modified":"2024-11-14T11:42:42","modified_gmt":"2024-11-14T03:42:42","slug":"mysql%e5%88%9b%e5%bb%ba%e6%95%b0%e6%8d%ae%e8%a1%a8%e6%80%8e%e4%b9%88%e5%bb%ba","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6270\/","title":{"rendered":"mysql\u521b\u5efa\u6570\u636e\u8868\u600e\u4e48\u5efa"},"content":{"rendered":"

\u5982\u4f55\u5728 MySQL \u4e2d\u521b\u5efa\u6570\u636e\u8868<\/h2>\n

\u5728 \u4e2d\u521b\u5efa\u6570\u636e\u8868\u662f\u4e00\u4e2a\u901a\u8fc7 create table \u8bed\u53e5\u6307\u5b9a\u8868\u7ed3\u6784\u548c\u5c5e\u6027\u7684\u8fc7\u7a0b\u3002<\/p>\n

\u8bed\u6cd5<\/h3>\n
CREATE TABLE table_name (\n  column1_name data_type [constraint],\n  column2_name data_type [constraint],\n  ...\n) [table_options];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6b65\u9aa4<\/h3>\n
    \n
  1.  \u6307\u5b9a\u8868\u540d\uff1a<\/strong>table_name \u662f\u65b0\u6570\u636e\u8868\u7684\u540d\u79f0\u3002<\/li>\n
  2.  \u5b9a\u4e49\u5217\uff1a<\/strong>\u6bcf\u4e2a\u5217\u90fd\u7531\u5176\u540d\u79f0\u3001\u6570\u636e\u7c7b\u578b\u548c\u53ef\u9009\u7ea6\u675f\u7ec4\u6210\u3002<\/li>\n
  3.  \u6307\u5b9a\u6570\u636e\u7c7b\u578b\uff1a<\/strong>MySQL \u652f\u6301\u5404\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u5305\u62ec\u6570\u5b57\u3001\u5b57\u7b26\u4e32\u3001\u65e5\u671f\u548c\u65f6\u95f4\u7b49\u3002<\/li>\n
  4.  \u6dfb\u52a0\u7ea6\u675f\uff1a<\/strong>\u7ea6\u675f\u53ef\u4ee5\u5e94\u7528\u4e8e\u5217\u6216\u8868\uff0c\u4ee5\u9650\u5236\u6216\u9a8c\u8bc1\u8f93\u5165\u6570\u636e\uff0c\u4f8b\u5982\u4e3b\u952e\u3001\u5916\u952e\u548c\u552f\u4e00\u6027\u7ea6\u675f\u3002<\/li>\n
  5.  \u8bbe\u7f6e\u8868\u9009\u9879\uff1a<\/strong>\u8868\u9009\u9879\u53ef\u4ee5\u6307\u5b9a\u8868\u7684\u5176\u4ed6\u5c5e\u6027\uff0c\u4f8b\u5982\u5b58\u50a8\u5f15\u64ce\u3001\u5b57\u7b26\u96c6\u548c\u6392\u5e8f\u89c4\u5219\u3002<\/li>\n<\/ol>\n
    \u793a\u4f8b<\/h3>\n
    \u521b\u5efa\u4e00\u4e2a\u540d\u4e3a users \u7684\u6570\u636e\u8868\uff0c\u5305\u542b id\u3001name\u3001email \u548c age \u5217\uff1a<\/p>\n
    CREATE TABLE users (\n  id INT NOT NULL AUTO_INCREMENT,\n  name VARCHAR(255) NOT NULL,\n  email VARCHAR(255) UNIQUE,\n  age INT\n);<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u7ea6\u675f<\/h3>\n
      \n
    •  \u4e3b\u952e (PRIMARY KEY)\uff1a<\/strong>\u6307\u5b9a\u8868\u7684\u552f\u4e00\u6807\u8bc6\u7b26\u5217\u3002<\/li>\n
    •  \u5916\u952e (FOREIGN KEY)\uff1a<\/strong>\u5c06\u4e00\u4e2a\u8868\u4e0e\u53e6\u4e00\u4e2a\u8868\u8fde\u63a5\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u3002<\/li>\n
    •  \u552f\u4e00\u6027\u7ea6\u675f (UNIQUE)\uff1a<\/strong>\u786e\u4fdd\u5217\u4e2d\u7684\u503c\u662f\u552f\u4e00\u7684\u3002<\/li>\n
    •  \u975e\u7a7a\u7ea6\u675f (NOT NULL)\uff1a<\/strong>\u4e0d\u5141\u8bb8\u5217\u4e3a\u7a7a\u503c\u3002<\/li>\n
    •  \u81ea\u589e\u7ea6\u675f (AUTO_INCREMENT)\uff1a<\/strong>\u81ea\u52a8\u4e3a\u65b0\u8bb0\u5f55\u751f\u6210\u552f\u4e00\u6570\u5b57\u6807\u8bc6\u7b26\u3002<\/li>\n<\/ul>\n
      \u6ce8\u610f<\/h3>\n
        \n
      • \u8868\u540d\u548c\u5217\u540d\u5bf9\u5927\u5c0f\u5199\u654f\u611f\u3002<\/li>\n
      • \u6570\u636e\u7c7b\u578b\u548c\u7ea6\u675f\u662f\u53ef\u9009\u7684\uff0c\u4f46\u4e3a\u4e86\u786e\u4fdd\u6570\u636e\u7684\u51c6\u786e\u6027\u548c\u5b8c\u6574\u6027\uff0c\u901a\u5e38\u5efa\u8bae\u4f7f\u7528\u5b83\u4eec\u3002<\/li>\n
      • \u521b\u5efa\u6570\u636e\u8868\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528 ALTER TABLE \u8bed\u53e5\u5bf9\u5176\u8fdb\u884c\u4fee\u6539\u3002<\/li>\n<\/ul>\n
        \u4ee5\u4e0a\u5c31\u662f\u521b\u5efa\u6570\u636e\u8868\u600e\u4e48\u5efa\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u5982\u4f55\u5728 MySQL \u4e2d\u521b\u5efa\u6570\u636e\u8868 \u5728 \u4e2d\u521b\u5efa\u6570\u636e\u8868\u662f\u4e00\u4e2a\u901a\u8fc7 create table \u8bed\u53e5\u6307\u5b9a\u8868\u7ed3\u6784\u548c\u5c5e\u6027\u7684\u8fc7\u7a0b\u3002 \u8bed\u6cd5 CREATE TABLE table_name ( column1_name data_type [constraint], column2_name data_type [constraint], … ) [table_options]; \u767b\u5f55\u540e\u590d\u5236 \u6b65\u9aa4 \u6307\u5b9a\u8868\u540d\uff1atable_name \u662f\u65b0\u6570\u636e\u8868\u7684\u540d\u79f0\u3002 \u5b9a\u4e49\u5217\uff1a\u6bcf\u4e2a\u5217\u90fd\u7531\u5176\u540d\u79f0\u3001\u6570\u636e\u7c7b\u578b\u548c\u53ef\u9009\u7ea6\u675f\u7ec4\u6210\u3002 \u6307\u5b9a\u6570\u636e\u7c7b\u578b\uff1aMySQL \u652f\u6301\u5404\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u5305\u62ec\u6570\u5b57\u3001\u5b57\u7b26\u4e32\u3001\u65e5\u671f\u548c\u65f6\u95f4\u7b49\u3002 \u6dfb\u52a0\u7ea6\u675f\uff1a\u7ea6\u675f\u53ef\u4ee5\u5e94\u7528\u4e8e\u5217\u6216\u8868\uff0c\u4ee5\u9650\u5236\u6216\u9a8c\u8bc1\u8f93\u5165\u6570\u636e\uff0c\u4f8b\u5982\u4e3b\u952e\u3001\u5916\u952e\u548c\u552f\u4e00\u6027\u7ea6\u675f\u3002 \u8bbe\u7f6e\u8868\u9009\u9879\uff1a\u8868\u9009\u9879\u53ef\u4ee5\u6307\u5b9a\u8868\u7684\u5176\u4ed6\u5c5e\u6027\uff0c\u4f8b\u5982\u5b58\u50a8\u5f15\u64ce\u3001\u5b57\u7b26\u96c6\u548c\u6392\u5e8f\u89c4\u5219\u3002 \u793a\u4f8b \u521b\u5efa\u4e00\u4e2a\u540d\u4e3a users \u7684\u6570\u636e\u8868\uff0c\u5305\u542b id\u3001name\u3001email \u548c age \u5217\uff1a CREATE TABLE users ( id INT NOT NULL AUTO_INCREMENT, name VARCHAR(255) NOT NULL, email VARCHAR(255) UNIQUE, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-6270","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6270","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=6270"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6270\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6270"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6270"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}