{"id":200004,"date":"2025-05-06T11:36:22","date_gmt":"2025-05-06T03:36:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200004\/"},"modified":"2025-05-06T11:36:22","modified_gmt":"2025-05-06T03:36:22","slug":"mysql%e5%ad%98%e5%82%a8%e8%bf%87%e7%a8%8b%ef%bc%9a%e6%95%b0%e6%8d%ae%e5%ba%93%e6%93%8d%e4%bd%9c%e7%9a%84%e6%9c%89%e6%95%88%e5%b7%a5%e5%85%b7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200004\/","title":{"rendered":"MySQL\u5b58\u50a8\u8fc7\u7a0b\uff1a\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u6709\u6548\u5de5\u5177"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>MySQL\u5b58\u50a8\u8fc7\u7a0b\uff1a\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u6709\u6548\u5de5\u5177<\/h1>\n<p>\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300aMySQL\u5b58\u50a8\u8fc7\u7a0b\uff1a\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u6709\u6548\u5de5\u5177\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n<p>MySQL\u5b58\u50a8\u8fc7\u7a0b\uff1a\u5b9e\u73b0\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u5229\u5668<\/p>\n<p>\u5728MySQL\u6570\u636e\u5e93\u4e2d\uff0c\u5b58\u50a8\u8fc7\u7a0b\u662f\u4e00\u79cd\u7528\u6765\u5b58\u50a8\u548c\u91cd\u590d\u6267\u884cSQL\u8bed\u53e5\u7684\u6570\u636e\u5e93\u5bf9\u8c61\u3002\u5b83\u53ef\u4ee5\u5c06\u4e00\u7cfb\u5217SQL\u8bed\u53e5\u5c01\u88c5\u5728\u4e00\u8d77\uff0c\u4f7f\u5176\u6210\u4e3a\u4e00\u4e2a\u53ef\u91cd\u590d\u8c03\u7528\u7684\u903b\u8f91\u5355\u5143\u3002\u901a\u8fc7\u5b58\u50a8\u8fc7\u7a0b\uff0c\u53ef\u4ee5\u7b80\u5316\u548c\u4f18\u5316\u6570\u636e\u5e93\u64cd\u4f5c\uff0c\u63d0\u9ad8\u6570\u636e\u5904\u7406\u7684\u6548\u7387\u3002\u672c\u6587\u5c06\u4ecb\u7ecdMySQL\u5b58\u50a8\u8fc7\u7a0b\u7684\u57fa\u7840\u77e5\u8bc6\uff0c\u5e76\u7ed9\u51fa\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<p>\u5b58\u50a8\u8fc7\u7a0b\u7684\u57fa\u672c\u8bed\u6cd5\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n<pre>CREATE PROCEDURE procedure_name(parameter_list)\nBEGIN\n    -- SQL statements\nEND;<\/pre>\n<p>\u5176\u4e2d\uff0c<code>CREATE PROCEDURE<\/code>\u7528\u4e8e\u521b\u5efa\u5b58\u50a8\u8fc7\u7a0b\uff0c<code>procedure_name<\/code>\u4e3a\u5b58\u50a8\u8fc7\u7a0b\u7684\u540d\u79f0\uff0c<code>parameter_list<\/code>\u4e3a\u53c2\u6570\u5217\u8868\uff0c<code>BEGIN<\/code>\u548c<code>END<\/code>\u4e4b\u95f4\u4e3a\u5b58\u50a8\u8fc7\u7a0b\u7684\u5b9e\u9645\u903b\u8f91\u4ee3\u7801\u3002\u4e0b\u9762\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u5177\u4f53\u7684\u4f8b\u5b50\u6765\u6f14\u793a\u5982\u4f55\u521b\u5efa\u548c\u8c03\u7528\u5b58\u50a8\u8fc7\u7a0b\u3002<\/p>\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3a<code>employee<\/code>\u7684\u8868\uff0c\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n<pre>CREATE TABLE employee (\n    id INT PRIMARY KEY,\n    name VARCHAR(50),\n    department VARCHAR(50),\n    salary DECIMAL(10, 2)\n);<\/pre>\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u60f3\u8981\u521b\u5efa\u4e00\u4e2a\u5b58\u50a8\u8fc7\u7a0b\uff0c\u7528\u6765\u6839\u636e\u90e8\u95e8\u540d\u79f0\u67e5\u8be2\u8be5\u90e8\u95e8\u7684\u6240\u6709\u5458\u5de5\u4fe1\u606f\u3002\u4e0b\u9762\u662f\u5bf9\u5e94\u7684\u5b58\u50a8\u8fc7\u7a0b\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<pre>DELIMITER \/\/\nCREATE PROCEDURE getEmployeesByDepartment(IN dep_name VARCHAR(50))\nBEGIN\n    SELECT * FROM employee WHERE department = dep_name;\nEND \/\/\nDELIMITER ;<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a<code>getEmployeesByDepartment<\/code>\u7684\u5b58\u50a8\u8fc7\u7a0b\uff0c\u8be5\u5b58\u50a8\u8fc7\u7a0b\u63a5\u53d7\u4e00\u4e2a\u90e8\u95e8\u540d\u79f0\u4f5c\u4e3a\u8f93\u5165\u53c2\u6570\uff0c\u5e76\u901a\u8fc7<code>SELECT<\/code>\u8bed\u53e5\u67e5\u8be2\u76f8\u5e94\u7684\u5458\u5de5\u4fe1\u606f\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u6f14\u793a\u5982\u4f55\u8c03\u7528\u8fd9\u4e2a\u5b58\u50a8\u8fc7\u7a0b\u3002<\/p>\n<p>\u8c03\u7528\u5b58\u50a8\u8fc7\u7a0b\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>CALL procedure_name(parameter_value);<\/pre>\n<p>\u5047\u8bbe\u6211\u4eec\u8981\u67e5\u8be2\u90e8\u95e8\u4e3a&#8221;\u6280\u672f\u90e8&#8221;\u7684\u5458\u5de5\u4fe1\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\u8c03\u7528\u5b58\u50a8\u8fc7\u7a0b\uff1a<\/p>\n<pre>CALL getEmployeesByDepartment('\u6280\u672f\u90e8');<\/pre>\n<p>\u901a\u8fc7\u4e0a\u8ff0\u4ee3\u7801\u793a\u4f8b\uff0c\u6211\u4eec\u5c55\u793a\u4e86\u5982\u4f55\u521b\u5efa\u548c\u8c03\u7528\u4e00\u4e2a\u7b80\u5355\u7684\u5b58\u50a8\u8fc7\u7a0b\u3002\u5b58\u50a8\u8fc7\u7a0b\u7684\u529f\u80fd\u4e0d\u4ec5\u9650\u4e8e\u7b80\u5355\u7684\u67e5\u8be2\u64cd\u4f5c\uff0c\u8fd8\u53ef\u4ee5\u5305\u542b\u6d41\u7a0b\u63a7\u5236\u3001\u5faa\u73af\u3001\u5f02\u5e38\u5904\u7406\u7b49\u590d\u6742\u903b\u8f91\uff0c\u5927\u5927\u4e30\u5bcc\u4e86\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u7075\u6d3b\u6027\u548c\u529f\u80fd\u6027\u3002<\/p>\n<p>\u603b\u4e4b\uff0cMySQL\u5b58\u50a8\u8fc7\u7a0b\u662f\u5b9e\u73b0\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u5229\u5668\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u6548\u7387\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u901a\u8fc7\u7075\u6d3b\u8fd0\u7528\u5b58\u50a8\u8fc7\u7a0b\uff0c\u53ef\u4ee5\u7b80\u5316\u4ee3\u7801\u903b\u8f91\uff0c\u51cf\u5c11\u7f51\u7edc\u6d41\u91cf\uff0c\u63d0\u9ad8\u6570\u636e\u5e93\u6027\u80fd\u3002\u5e0c\u671b\u672c\u6587\u7684\u4ecb\u7ecd\u548c\u4ee3\u7801\u793a\u4f8b\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528MySQL\u5b58\u50a8\u8fc7\u7a0b\u3002<\/p>\n<p>\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aMySQL\u5b58\u50a8\u8fc7\u7a0b\uff1a\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u6709\u6548\u5de5\u5177\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u5427\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>MySQL\u5b58\u50a8\u8fc7\u7a0b\uff1a\u6570\u636e\u5e93\u64cd\u4f5c\u7684&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200004","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200004","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=200004"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200004\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200004"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200004"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200004"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}