{"id":76626,"date":"2024-10-16T08:26:16","date_gmt":"2024-10-16T00:26:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76626\/"},"modified":"2024-10-16T08:26:16","modified_gmt":"2024-10-16T00:26:16","slug":"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%b0%e7%89%b9%e6%80%a7%e4%b9%8b%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e5%85%a5%e9%96%80%e6%95%99%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76626\/","title":{"rendered":"MySQL\u6578\u64da\u5eab\u65b0\u7279\u6027\u4e4b\u5b58\u5132\u904e\u7a0b\u5165\u9580\u6559\u7a0b"},"content":{"rendered":"<h1 id=\"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%b0%e7%89%b9%e6%80%a7%e4%b9%8b%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e5%85%a5%e9%96%80%e6%95%99%e7%a8%8b-HdQoEZaIZt\">MySQL\u6578\u64da\u5eab\u65b0\u7279\u6027\u4e4b\u5b58\u5132\u904e\u7a0b\u5165\u9580\u6559\u7a0b<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002MySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u6301\u7e8c\u63a8\u51fa\u65b0\u7279\u6027\u4ee5\u6eff\u8db3\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u9700\u6c42\u3002\u5176\u4e2d\uff0c\u5b58\u5132\u904e\u7a0b\uff08Stored Procedures\uff09\u662f\u4e00\u500b\u5f37\u5927\u7684\u529f\u80fd\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u7c21\u5316\u6578\u64da\u64cd\u4f5c\uff0c\u63d0\u9ad8\u6027\u80fd\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMySQL\u5b58\u5132\u904e\u7a0b\u7684\u57fa\u672c\u6982\u5ff5\u53ca\u5176\u65b0\u7279\u6027\uff0c\u4e26\u63d0\u4f9b\u4e00\u500b\u5165\u9580\u6559\u7a0b\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%ef%bc%9f-HdQoEZaIZt\">\u4ec0\u9ebc\u662f\u5b58\u5132\u904e\u7a0b\uff1f<\/h2>\n<p>\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7d44\u9810\u5148\u7de8\u5beb\u7684SQL\u8a9e\u53e5\uff0c\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u53ef\u4ee5\u901a\u904e\u8abf\u7528\u4f86\u57f7\u884c\u3002\u9019\u4e9b\u904e\u7a0b\u53ef\u4ee5\u63a5\u53d7\u53c3\u6578\uff0c\u4e26\u8fd4\u56de\u7d50\u679c\uff0c\u5f9e\u800c\u4f7f\u5f97\u6578\u64da\u64cd\u4f5c\u66f4\u52a0\u9748\u6d3b\u548c\u9ad8\u6548\u3002\u4f7f\u7528\u5b58\u5132\u904e\u7a0b\u7684\u4e3b\u8981\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6e1b\u5c11\u7db2\u7d61\u6d41\u91cf\uff1a\u591a\u689dSQL\u8a9e\u53e5\u53ef\u4ee5\u5728\u4e00\u6b21\u8abf\u7528\u4e2d\u57f7\u884c\uff0c\u6e1b\u5c11\u4e86\u8207\u6578\u64da\u5eab\u7684\u4ea4\u4e92\u6b21\u6578\u3002<\/li>\n<li>\u63d0\u9ad8\u6027\u80fd\uff1a\u5b58\u5132\u904e\u7a0b\u5728\u6578\u64da\u5eab\u4e2d\u7de8\u8b6f\u4e26\u512a\u5316\uff0c\u57f7\u884c\u901f\u5ea6\u901a\u5e38\u6bd4\u55ae\u7368\u7684SQL\u8a9e\u53e5\u5feb\u3002<\/li>\n<li>\u589e\u5f37\u5b89\u5168\u6027\uff1a\u901a\u904e\u9650\u5236\u7528\u6236\u5c0d\u6578\u64da\u8868\u7684\u76f4\u63a5\u8a2a\u554f\uff0c\u5b58\u5132\u904e\u7a0b\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u7684\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"mysql%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%9a%84%e6%96%b0%e7%89%b9%e6%80%a7-HdQoEZaIZt\">MySQL\u5b58\u5132\u904e\u7a0b\u7684\u65b0\u7279\u6027<\/h2>\n<p>\u96a8\u8457MySQL\u7248\u672c\u7684\u66f4\u65b0\uff0c\u5b58\u5132\u904e\u7a0b\u4e5f\u5f15\u5165\u4e86\u4e00\u4e9b\u65b0\u7279\u6027\uff0c\u9019\u4e9b\u7279\u6027\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u66f4\u9748\u6d3b\u5730\u4f7f\u7528\u5b58\u5132\u904e\u7a0b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u503c\u5f97\u6ce8\u610f\u7684\u65b0\u7279\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u652f\u6301\u689d\u4ef6\u8a9e\u53e5\uff1a<\/strong>MySQL\u5b58\u5132\u904e\u7a0b\u73fe\u5728\u652f\u6301IF\u3001CASE\u7b49\u689d\u4ef6\u8a9e\u53e5\uff0c\u9019\u4f7f\u5f97\u908f\u8f2f\u63a7\u5236\u66f4\u52a0\u9748\u6d3b\u3002<\/li>\n<li><strong>\u6e38\u6a19\u652f\u6301\uff1a<\/strong>\u6e38\u6a19\u5141\u8a31\u958b\u767c\u8005\u9010\u884c\u8655\u7406\u67e5\u8a62\u7d50\u679c\uff0c\u9019\u5c0d\u65bc\u9700\u8981\u9010\u6b65\u8655\u7406\u6578\u64da\u7684\u60c5\u6cc1\u975e\u5e38\u6709\u7528\u3002<\/li>\n<li><strong>\u932f\u8aa4\u8655\u7406\uff1a<\/strong>MySQL\u73fe\u5728\u652f\u6301\u5728\u5b58\u5132\u904e\u7a0b\u4e2d\u9032\u884c\u932f\u8aa4\u8655\u7406\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528DECLARE CONTINUE HANDLER\u7b49\u8a9e\u53e5\u4f86\u6355\u7372\u548c\u8655\u7406\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%ba%e5%92%8c%e4%bd%bf%e7%94%a8%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b-HdQoEZaIZt\">\u5982\u4f55\u5275\u5efa\u548c\u4f7f\u7528\u5b58\u5132\u904e\u7a0b<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u901a\u904e\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\u4f86\u6f14\u793a\u5982\u4f55\u5275\u5efa\u548c\u4f7f\u7528\u5b58\u5132\u904e\u7a0b\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f1%ef%bc%9a%e5%89%b5%e5%bb%ba%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b-HdQoEZaIZt\">\u6b65\u9a5f1\uff1a\u5275\u5efa\u5b58\u5132\u904e\u7a0b<\/h3>\n<pre><code>\nDELIMITER \/\/\nCREATE PROCEDURE GetEmployeeByID(IN empID INT)\nBEGIN\n    SELECT * FROM Employees WHERE EmployeeID = empID;\nEND \/\/\nDELIMITER ;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70baGetEmployeeByID\u7684\u5b58\u5132\u904e\u7a0b\uff0c\u8a72\u904e\u7a0b\u63a5\u53d7\u4e00\u500b\u6574\u6578\u985e\u578b\u7684\u53c3\u6578empID\uff0c\u4e26\u8fd4\u56de\u5c0d\u61c9\u7684\u54e1\u5de5\u4fe1\u606f\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f2%ef%bc%9a%e8%aa%bf%e7%94%a8%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b-HdQoEZaIZt\">\u6b65\u9a5f2\uff1a\u8abf\u7528\u5b58\u5132\u904e\u7a0b<\/h3>\n<pre><code>\nCALL GetEmployeeByID(1);\n<\/code><\/pre>\n<p>\u901a\u904eCALL\u8a9e\u53e5\uff0c\u6211\u5011\u53ef\u4ee5\u8abf\u7528\u525b\u525b\u5275\u5efa\u7684\u5b58\u5132\u904e\u7a0b\uff0c\u4e26\u50b3\u905e\u6240\u9700\u7684\u53c3\u6578\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-HdQoEZaIZt\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u7684\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u63d0\u9ad8\u6578\u64da\u64cd\u4f5c\u7684\u6548\u7387\u548c\u5b89\u5168\u6027\u3002\u96a8\u8457\u65b0\u7279\u6027\u7684\u5f15\u5165\uff0c\u5b58\u5132\u904e\u7a0b\u7684\u9748\u6d3b\u6027\u548c\u529f\u80fd\u6027\u5f97\u5230\u4e86\u9032\u4e00\u6b65\u589e\u5f37\u3002\u7121\u8ad6\u662f\u7c21\u55ae\u7684\u6578\u64da\u67e5\u8a62\u9084\u662f\u8907\u96dc\u7684\u696d\u52d9\u908f\u8f2f\uff0c\u5b58\u5132\u904e\u7a0b\u90fd\u80fd\u63d0\u4f9b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684MySQL\u6578\u64da\u5eab\u3002Server.HK\u63d0\u4f9b\u9ad8\u6027\u80fd\u7684<a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a>\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22MySQL\u6578\u64da\u5eab\u7684\u65b0\u7279\u6027\uff0c\u5b78\u7fd2\u5b58\u5132\u904e\u7a0b\u7684\u57fa\u672c\u6982\u5ff5\u8207\u5be6\u7528\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-76626","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76626","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=76626"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76626\/revisions"}],"predecessor-version":[{"id":76627,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76626\/revisions\/76627"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76626"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76626"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}