{"id":160771,"date":"2024-11-04T00:52:23","date_gmt":"2024-11-03T16:52:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160771\/"},"modified":"2024-11-04T00:52:24","modified_gmt":"2024-11-03T16:52:24","slug":"%e8%b3%87%e6%96%99%e5%ba%ab%e6%95%99%e7%a8%8b%ef%bc%9amysql-%e8%aa%bf%e7%94%a8%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e5%92%8c%e5%87%bd%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160771\/","title":{"rendered":"\u8cc7\u6599\u5eab\u6559\u7a0b\uff1aMySQL \u8abf\u7528\u5b58\u5132\u904e\u7a0b\u548c\u51fd\u6578"},"content":{"rendered":"<h1 id=\"%e8%b3%87%e6%96%99%e5%ba%ab%e6%95%99%e7%a8%8b%ef%bc%9amysql-%e8%aa%bf%e7%94%a8%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e5%92%8c%e5%87%bd%e6%95%b8-KCOPPcoIfZ\">\u8cc7\u6599\u5eab\u6559\u7a0b\uff1aMySQL \u8abf\u7528\u5b58\u5132\u904e\u7a0b\u548c\u51fd\u6578<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0c\u8cc7\u6599\u5eab\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002MySQL \u4f5c\u70ba\u4e00\u500b\u958b\u6e90\u7684\u95dc\u806f\u5f0f\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5f0f\u4e2d\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e MySQL \u4e2d\u7684\u5b58\u5132\u904e\u7a0b\u548c\u51fd\u6578\uff0c\u4e26\u4ecb\u7d39\u5982\u4f55\u8abf\u7528\u5b83\u5011\u4ee5\u63d0\u9ad8\u8cc7\u6599\u5eab\u64cd\u4f5c\u7684\u6548\u7387\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e5%92%8c%e5%87%bd%e6%95%b8%ef%bc%9f-KCOPPcoIfZ\">\u4ec0\u9ebc\u662f\u5b58\u5132\u904e\u7a0b\u548c\u51fd\u6578\uff1f<\/h2>\n<p>\u5728 MySQL \u4e2d\uff0c\u5b58\u5132\u904e\u7a0b\u548c\u51fd\u6578\u90fd\u662f\u4e00\u7d44 SQL \u8a9e\u53e5\u7684\u96c6\u5408\uff0c\u9019\u4e9b\u8a9e\u53e5\u53ef\u4ee5\u88ab\u91cd\u8907\u8abf\u7528\u3002\u5b83\u5011\u7684\u4e3b\u8981\u5340\u5225\u5728\u65bc\uff1a<\/p>\n<ul>\n<li><strong>\u5b58\u5132\u904e\u7a0b\uff1a<\/strong>\u662f\u4e00\u500b\u53ef\u4ee5\u57f7\u884c\u7684\u7a0b\u5e8f\uff0c\u901a\u5e38\u7528\u65bc\u57f7\u884c\u4e00\u7cfb\u5217\u64cd\u4f5c\uff0c\u4e26\u4e14\u4e0d\u8fd4\u56de\u503c\u3002\u5b58\u5132\u904e\u7a0b\u53ef\u4ee5\u63a5\u53d7\u53c3\u6578\uff0c\u4e26\u5728\u57f7\u884c\u5f8c\u9032\u884c\u6578\u64da\u7684\u63d2\u5165\u3001\u66f4\u65b0\u6216\u522a\u9664\u7b49\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u51fd\u6578\uff1a<\/strong>\u662f\u4e00\u500b\u8fd4\u56de\u55ae\u4e00\u503c\u7684\u7a0b\u5e8f\uff0c\u901a\u5e38\u7528\u65bc\u8a08\u7b97\u6216\u8655\u7406\u6578\u64da\u3002\u51fd\u6578\u4e5f\u53ef\u4ee5\u63a5\u53d7\u53c3\u6578\uff0c\u4f46\u5176\u4e3b\u8981\u76ee\u7684\u662f\u8fd4\u56de\u4e00\u500b\u7d50\u679c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%89%b5%e5%bb%ba%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b-KCOPPcoIfZ\">\u5275\u5efa\u5b58\u5132\u904e\u7a0b<\/h2>\n<p>\u5275\u5efa\u5b58\u5132\u904e\u7a0b\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE PROCEDURE procedure_name (parameters)\nBEGIN\n    -- SQL statements\nEND;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u5b58\u5132\u904e\u7a0b\uff0c\u7528\u65bc\u63d2\u5165\u65b0\u7528\u6236\u5230\u7528\u6236\u8868\u4e2d\uff1a<\/p>\n<pre><code>CREATE PROCEDURE AddUser(IN username VARCHAR(50), IN email VARCHAR(100))\nBEGIN\n    INSERT INTO users (username, email) VALUES (username, email);\nEND;<\/code><\/pre>\n<h2 id=\"%e8%aa%bf%e7%94%a8%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b-KCOPPcoIfZ\">\u8abf\u7528\u5b58\u5132\u904e\u7a0b<\/h2>\n<p>\u8abf\u7528\u5b58\u5132\u904e\u7a0b\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CALL procedure_name(arguments);<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u8abf\u7528\u4e0a\u9762\u5275\u5efa\u7684\u5b58\u5132\u904e\u7a0b\u53ef\u4ee5\u9019\u6a23\u9032\u884c\uff1a<\/p>\n<pre><code>CALL AddUser('john_doe', 'john@example.com');<\/code><\/pre>\n<h2 id=\"%e5%89%b5%e5%bb%ba%e5%87%bd%e6%95%b8-KCOPPcoIfZ\">\u5275\u5efa\u51fd\u6578<\/h2>\n<p>\u5275\u5efa\u51fd\u6578\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE FUNCTION function_name (parameters)\nRETURNS return_data_type\nBEGIN\n    -- SQL statements\n    RETURN value;\nEND;<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u51fd\u6578\u793a\u4f8b\uff0c\u7528\u65bc\u8a08\u7b97\u7528\u6236\u7684\u5e74\u9f61\uff1a<\/p>\n<pre><code>CREATE FUNCTION CalculateAge(birthdate DATE)\nRETURNS INT\nBEGIN\n    RETURN YEAR(CURDATE()) - YEAR(birthdate);\nEND;<\/code><\/pre>\n<h2 id=\"%e8%aa%bf%e7%94%a8%e5%87%bd%e6%95%b8-KCOPPcoIfZ\">\u8abf\u7528\u51fd\u6578<\/h2>\n<p>\u8abf\u7528\u51fd\u6578\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT function_name(arguments);<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u8abf\u7528\u4e0a\u9762\u5275\u5efa\u7684\u51fd\u6578\u53ef\u4ee5\u9019\u6a23\u9032\u884c\uff1a<\/p>\n<pre><code>SELECT CalculateAge('1990-01-01');<\/code><\/pre>\n<h2 id=\"%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e5%92%8c%e5%87%bd%e6%95%b8%e7%9a%84%e5%84%aa%e5%8b%a2-KCOPPcoIfZ\">\u5b58\u5132\u904e\u7a0b\u548c\u51fd\u6578\u7684\u512a\u52e2<\/h2>\n<p>\u4f7f\u7528\u5b58\u5132\u904e\u7a0b\u548c\u51fd\u6578\u6709\u591a\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u63d0\u9ad8\u6027\u80fd\uff1a<\/strong>\u5b58\u5132\u904e\u7a0b\u548c\u51fd\u6578\u5728\u8cc7\u6599\u5eab\u4e2d\u57f7\u884c\uff0c\u6e1b\u5c11\u4e86\u7db2\u7d61\u50b3\u8f38\u7684\u958b\u92b7\u3002<\/li>\n<li><strong>\u91cd\u7528\u6027\uff1a<\/strong>\u53ef\u4ee5\u5c07\u5e38\u7528\u7684 SQL \u8a9e\u53e5\u5c01\u88dd\u5728\u5b58\u5132\u904e\u7a0b\u6216\u51fd\u6578\u4e2d\uff0c\u65b9\u4fbf\u91cd\u8907\u4f7f\u7528\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u53ef\u4ee5\u9650\u5236\u7528\u6236\u5c0d\u8cc7\u6599\u8868\u7684\u76f4\u63a5\u8a2a\u554f\uff0c\u53ea\u5141\u8a31\u901a\u904e\u5b58\u5132\u904e\u7a0b\u6216\u51fd\u6578\u9032\u884c\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-KCOPPcoIfZ\">\u7e3d\u7d50<\/h2>\n<p>MySQL \u7684\u5b58\u5132\u904e\u7a0b\u548c\u51fd\u6578\u662f\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u63d0\u9ad8\u8cc7\u6599\u5eab\u64cd\u4f5c\u7684\u6548\u7387\u548c\u5b89\u5168\u6027\u3002\u901a\u904e\u5408\u7406\u5730\u4f7f\u7528\u9019\u4e9b\u529f\u80fd\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u7c21\u5316\u4ee3\u78bc\u3001\u63d0\u9ad8\u6027\u80fd\u4e26\u589e\u5f37\u61c9\u7528\u7a0b\u5f0f\u7684\u53ef\u7dad\u8b77\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684 MySQL \u8cc7\u6599\u5eab\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u60a8\u90fd\u53ef\u4ee5\u5728\u6211\u5011\u7684\u7db2\u7ad9\u4e0a\u627e\u5230\u5408\u9069\u7684\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728MySQL\u4e2d\u8abf\u7528\u5b58\u5132\u904e\u7a0b\u548c\u51fd\u6578\uff0c\u638c\u63e1\u8cc7\u6599\u5eab\u64cd\u4f5c\u7684\u95dc\u9375\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-160771","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160771","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=160771"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160771\/revisions"}],"predecessor-version":[{"id":160772,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160771\/revisions\/160772"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}