{"id":5792,"date":"2024-11-14T12:24:32","date_gmt":"2024-11-14T04:24:32","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5792\/"},"modified":"2024-11-14T12:24:32","modified_gmt":"2024-11-14T04:24:32","slug":"mysql%e7%ba%a6%e6%9d%9f%e6%80%8e%e4%b9%88%e7%94%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5792\/","title":{"rendered":"mysql\u7ea6\u675f\u600e\u4e48\u7528"},"content":{"rendered":"<blockquote><p>\n  \u7ea6\u675f\u662f mysql \u7528\u4e8e\u7ef4\u62a4\u6570\u636e\u5e93\u5b8c\u6574\u6027\u4e0e\u4e00\u81f4\u6027\u7684\u6570\u636e\u5e93\u5bf9\u8c61\uff0c\u652f\u6301\u4e3b\u952e\u3001\u5916\u952e\u3001\u552f\u4e00\u3001\u975e\u7a7a\u3001\u9ed8\u8ba4\u503c\u4e0e\u81ea\u589e\u7b49\u7ea6\u675f\u7c7b\u578b\u3002\u8fd9\u4e9b\u7ea6\u675f\u53ef\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u3001\u63d0\u9ad8\u6027\u80fd\u3001\u7b80\u5316\u7ef4\u62a4\uff0c\u53ef\u901a\u8fc7\u521b\u5efa\u6216\u4fee\u6539\u8868\u65f6\u6307\u5b9a\u7ea6\u675f\u8bed\u6cd5\u5e94\u7528\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202406\/02\/2024060201392382735.jpg\" class=\"aligncenter\" title=\"mysql\u7ea6\u675f\u600e\u4e48\u7528\u63d2\u56fe\" alt=\"mysql\u7ea6\u675f\u600e\u4e48\u7528\u63d2\u56fe\" \/><\/p>\n<p><strong>MySQL \u7ea6\u675f\u7684\u7528\u6cd5<\/strong><\/p>\n<p>\u7ea6\u675f\u662f MySQL \u4e2d\u7684\u6570\u636e\u5e93\u5bf9\u8c61\uff0c\u7528\u4e8e\u7ef4\u62a4\u6570\u636e\u5e93\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u901a\u8fc7\u7ea6\u675f\uff0c\u53ef\u4ee5\u9650\u5236\u5217\u7684\u503c\u3001\u6307\u5b9a\u4e3b\u952e\u548c\u5916\u952e\u5173\u7cfb\uff0c\u4ee5\u53ca\u5f3a\u5236\u5176\u4ed6\u89c4\u5219\u3002<\/p>\n<p><strong>\u7ea6\u675f\u7c7b\u578b<\/strong><\/p>\n<p>MySQL \u652f\u6301\u4ee5\u4e0b\u7c7b\u578b\u7684\u7ea6\u675f\uff1a<\/p>\n<ul>\n<li> <strong>\u4e3b\u952e\u7ea6\u675f\uff1a<\/strong>\u552f\u4e00\u6807\u8bc6\u8868\u4e2d\u6bcf\u884c\u7684\u5217\u6216\u5217\u7ec4\u5408\u3002<\/li>\n<li> <strong>\u5916\u952e\u7ea6\u675f\uff1a<\/strong>\u5efa\u7acb\u4e24\u4e2a\u8868\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u786e\u4fdd\u8868\u4e2d\u7684\u8bb0\u5f55\u4e0e\u53e6\u4e00\u4e2a\u8868\u4e2d\u7684\u76f8\u5173\u8bb0\u5f55\u4fdd\u6301\u4e00\u81f4\u6027\u3002<\/li>\n<li> <strong>\u552f\u4e00\u7ea6\u675f\uff1a<\/strong>\u786e\u4fdd\u8868\u4e2d\u6ca1\u6709\u91cd\u590d\u7684\u503c\u3002<\/li>\n<li> <strong>\u975e\u7a7a\u7ea6\u675f\uff1a<\/strong>\u4e0d\u5141\u8bb8\u5217\u7684\u503c\u4e3a\u7a7a\u3002<\/li>\n<li> <strong>\u9ed8\u8ba4\u503c\u7ea6\u675f\uff1a<\/strong>\u4e3a\u6ca1\u6709\u663e\u5f0f\u6307\u5b9a\u503c\u7684\u5217\u6307\u5b9a\u9ed8\u8ba4\u503c\u3002<\/li>\n<li> <strong>\u81ea\u589e\u7ea6\u675f\uff1a<\/strong>\u4e3a\u5217\u751f\u6210\u552f\u4e00\u7684\u5e8f\u5217\u53f7\u3002<\/li>\n<\/ul>\n<p><strong>\u7ea6\u675f\u8bed\u6cd5<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u7ea6\u675f\u8bed\u6cd5\uff1a<\/p>\n<ul>\n<li>\n<p><strong>\u4e3b\u952e\u7ea6\u675f\uff1a<\/strong><\/p>\n<pre>PRIMARY KEY (column_name)<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<li>\n<p><strong>\u5916\u952e\u7ea6\u675f\uff1a<\/strong><\/p>\n<pre>FOREIGN KEY (column_name) REFERENCES other_table (column_name)<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<li>\n<p><strong>\u552f\u4e00\u7ea6\u675f\uff1a<\/strong><\/p>\n<pre>UNIQUE (column_name)<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<li>\n<p><strong>\u975e\u7a7a\u7ea6\u675f\uff1a<\/strong><\/p>\n<pre>NOT NULL<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<li>\n<p><strong>\u9ed8\u8ba4\u503c\u7ea6\u675f\uff1a<\/strong><\/p>\n<pre>DEFAULT value<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<li>\n<p><strong>\u81ea\u589e\u7ea6\u675f\uff1a<\/strong><\/p>\n<pre>AUTO_INCREMENT<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ul>\n<p><strong>\u7ea6\u675f\u7684\u597d\u5904<\/strong><\/p>\n<p>\u4f7f\u7528\u7ea6\u675f\u7684\u597d\u5904\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/li>\n<li>\u63d0\u9ad8\u6570\u636e\u5e93\u6027\u80fd\u3002<\/li>\n<li>\u7b80\u5316\u6570\u636e\u5e93\u7ef4\u62a4\u3002<\/li>\n<\/ul>\n<p><strong>\u5e94\u7528\u7ea6\u675f<\/strong><\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u5e94\u7528\u7ea6\u675f\uff1a<\/p>\n<ul>\n<li> <strong>\u521b\u5efa\u8868\u65f6\uff1a<\/strong>\u5728 CREATE TABLE \u8bed\u53e5\u4e2d\u6307\u5b9a\u7ea6\u675f\u3002<\/li>\n<li> <strong>\u4fee\u6539\u8868\u65f6\uff1a<\/strong>\u4f7f\u7528 ALTER TABLE \u8bed\u53e5\u5411\u73b0\u6709\u8868\u4e2d\u6dfb\u52a0\u7ea6\u675f\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u7ea6\u675f\u600e\u4e48\u7528\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":"<p>\u7ea6\u675f\u662f mysql \u7528\u4e8e\u7ef4\u62a4\u6570\u636e\u5e93\u5b8c\u6574\u6027\u4e0e\u4e00\u81f4\u6027\u7684\u6570\u636e\u5e93\u5bf9\u8c61\uff0c\u652f\u6301\u4e3b\u952e\u3001\u5916\u952e\u3001\u552f\u4e00\u3001\u975e\u7a7a\u3001\u9ed8\u8ba4\u503c\u4e0e\u81ea\u589e\u7b49\u7ea6\u675f\u7c7b\u578b\u3002\u8fd9\u4e9b\u7ea6\u675f\u53ef\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u3001\u63d0\u9ad8\u6027\u80fd\u3001\u7b80\u5316\u7ef4\u62a4\uff0c\u53ef\u901a\u8fc7\u521b\u5efa\u6216\u4fee\u6539\u8868\u65f6\u6307\u5b9a\u7ea6\u675f\u8bed\u6cd5\u5e94\u7528\u3002 MySQL \u7ea6\u675f\u7684\u7528\u6cd5 \u7ea6\u675f\u662f MySQL \u4e2d\u7684\u6570\u636e\u5e93\u5bf9\u8c61\uff0c\u7528\u4e8e\u7ef4\u62a4\u6570\u636e\u5e93\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u901a\u8fc7\u7ea6\u675f\uff0c\u53ef\u4ee5\u9650\u5236\u5217\u7684\u503c\u3001\u6307\u5b9a\u4e3b\u952e\u548c\u5916\u952e\u5173\u7cfb\uff0c\u4ee5\u53ca\u5f3a\u5236\u5176\u4ed6\u89c4\u5219\u3002 \u7ea6\u675f\u7c7b\u578b MySQL \u652f\u6301\u4ee5\u4e0b\u7c7b\u578b\u7684\u7ea6\u675f\uff1a \u4e3b\u952e\u7ea6\u675f\uff1a\u552f\u4e00\u6807\u8bc6\u8868\u4e2d\u6bcf\u884c\u7684\u5217\u6216\u5217\u7ec4\u5408\u3002 \u5916\u952e\u7ea6\u675f\uff1a\u5efa\u7acb\u4e24\u4e2a\u8868\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u786e\u4fdd\u8868\u4e2d\u7684\u8bb0\u5f55\u4e0e\u53e6\u4e00\u4e2a\u8868\u4e2d\u7684\u76f8\u5173\u8bb0\u5f55\u4fdd\u6301\u4e00\u81f4\u6027\u3002 \u552f\u4e00\u7ea6\u675f\uff1a\u786e\u4fdd\u8868\u4e2d\u6ca1\u6709\u91cd\u590d\u7684\u503c\u3002 \u975e\u7a7a\u7ea6\u675f\uff1a\u4e0d\u5141\u8bb8\u5217\u7684\u503c\u4e3a\u7a7a\u3002 \u9ed8\u8ba4\u503c\u7ea6\u675f\uff1a\u4e3a\u6ca1\u6709\u663e\u5f0f\u6307\u5b9a\u503c\u7684\u5217\u6307\u5b9a\u9ed8\u8ba4\u503c\u3002 \u81ea\u589e\u7ea6\u675f\uff1a\u4e3a\u5217\u751f\u6210\u552f\u4e00\u7684\u5e8f\u5217\u53f7\u3002 \u7ea6\u675f\u8bed\u6cd5 \u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u7ea6\u675f\u8bed\u6cd5\uff1a \u4e3b\u952e\u7ea6\u675f\uff1a PRIMARY KEY (column_name) \u767b\u5f55\u540e\u590d\u5236 \u5916\u952e\u7ea6\u675f\uff1a FOREIGN KEY (column_name) REFERENCES other_table (column_name) \u767b\u5f55\u540e\u590d\u5236 \u552f\u4e00\u7ea6\u675f\uff1a UNIQUE (column_name) \u767b\u5f55\u540e\u590d\u5236 \u975e\u7a7a\u7ea6\u675f\uff1a NOT NULL \u767b\u5f55\u540e\u590d\u5236 \u9ed8\u8ba4\u503c\u7ea6\u675f\uff1a DEFAULT value \u767b\u5f55\u540e\u590d\u5236 \u81ea\u589e\u7ea6\u675f\uff1a AUTO_INCREMENT \u767b\u5f55\u540e\u590d\u5236 \u7ea6\u675f\u7684\u597d\u5904 \u4f7f\u7528\u7ea6\u675f\u7684\u597d\u5904\u5305\u62ec\uff1a \u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002 \u63d0\u9ad8\u6570\u636e\u5e93\u6027\u80fd\u3002 \u7b80\u5316\u6570\u636e\u5e93\u7ef4\u62a4\u3002 \u5e94\u7528\u7ea6\u675f \u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u5e94\u7528\u7ea6\u675f\uff1a \u521b\u5efa\u8868\u65f6\uff1a\u5728 [&hellip;]<\/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-5792","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5792","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=5792"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5792\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5792"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5792"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}