{"id":143813,"date":"2024-11-01T01:28:20","date_gmt":"2024-10-31T17:28:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/143813\/"},"modified":"2024-11-01T01:28:21","modified_gmt":"2024-10-31T17:28:21","slug":"sql-%e5%87%bd%e6%95%b8%e5%92%8c%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e6%a8%a1%e6%9d%bf%e7%a4%ba%e4%be%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/143813\/","title":{"rendered":"SQL \u51fd\u6578\u548c\u5b58\u5132\u904e\u7a0b\u6a21\u677f\u793a\u4f8b"},"content":{"rendered":"<h1 id=\"sql-%e5%87%bd%e6%95%b8%e5%92%8c%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e6%a8%a1%e6%9d%bf%e7%a4%ba%e4%be%8b-qXlUJiWtWo\">SQL \u51fd\u6578\u548c\u5b58\u5132\u904e\u7a0b\u6a21\u677f\u793a\u4f8b<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cSQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u662f\u6700\u5e38\u7528\u7684\u8a9e\u8a00\u4e4b\u4e00\u3002\u5b83\u4e0d\u50c5\u7528\u65bc\u67e5\u8a62\u6578\u64da\uff0c\u9084\u53ef\u4ee5\u7528\u4f86\u5275\u5efa\u548c\u7ba1\u7406\u6578\u64da\u5eab\u7d50\u69cb\u3002\u672c\u6587\u5c07\u63a2\u8a0eSQL\u51fd\u6578\u548c\u5b58\u5132\u904e\u7a0b\u7684\u57fa\u672c\u6982\u5ff5\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6a21\u677f\u793a\u4f8b\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528\u9019\u4e9b\u529f\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afsql%e5%87%bd%e6%95%b8%ef%bc%9f-qXlUJiWtWo\">\u4ec0\u9ebc\u662fSQL\u51fd\u6578\uff1f<\/h2>\n<p>SQL\u51fd\u6578\u662f\u4e00\u6bb5\u53ef\u91cd\u7528\u7684\u4ee3\u78bc\uff0c\u65e8\u5728\u57f7\u884c\u7279\u5b9a\u7684\u8a08\u7b97\u6216\u64cd\u4f5c\u3002\u5b83\u5011\u53ef\u4ee5\u63a5\u53d7\u53c3\u6578\u4e26\u8fd4\u56de\u4e00\u500b\u503c\u3002SQL\u51fd\u6578\u901a\u5e38\u7528\u65bc\u7c21\u5316\u67e5\u8a62\uff0c\u589e\u5f37\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n<h3 id=\"sql%e5%87%bd%e6%95%b8%e7%9a%84%e9%a1%9e%e5%9e%8b-qXlUJiWtWo\">SQL\u51fd\u6578\u7684\u985e\u578b<\/h3>\n<ul>\n<li><strong>\u6a19\u91cf\u51fd\u6578\uff1a<\/strong>\u8fd4\u56de\u55ae\u4e00\u503c\uff0c\u4f8b\u5982\u6578\u5b57\u3001\u5b57\u7b26\u4e32\u6216\u65e5\u671f\u3002<\/li>\n<li><strong>\u8868\u503c\u51fd\u6578\uff1a<\/strong>\u8fd4\u56de\u4e00\u500b\u8868\uff0c\u53ef\u4ee5\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<h3 id=\"sql%e5%87%bd%e6%95%b8%e7%a4%ba%e4%be%8b-qXlUJiWtWo\">SQL\u51fd\u6578\u793a\u4f8b<\/h3>\n<pre><code>CREATE FUNCTION GetEmployeeFullName\n(\n    @FirstName NVARCHAR(50),\n    @LastName NVARCHAR(50)\n)\nRETURNS NVARCHAR(100)\nAS\nBEGIN\n    RETURN @FirstName + ' ' + @LastName;\nEND;<\/code><\/pre>\n<p>\u4e0a\u8ff0\u793a\u4f8b\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>GetEmployeeFullName<\/code> \u7684\u51fd\u6578\uff0c\u8a72\u51fd\u6578\u63a5\u53d7\u5169\u500b\u53c3\u6578\uff08\u540d\u5b57\u548c\u59d3\u6c0f\uff09\uff0c\u4e26\u8fd4\u56de\u5b8c\u6574\u7684\u59d3\u540d\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-qXlUJiWtWo\">\u4ec0\u9ebc\u662f\u5b58\u5132\u904e\u7a0b\uff1f<\/h2>\n<p>\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7d44\u9810\u7de8\u8b6f\u7684SQL\u8a9e\u53e5\uff0c\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u53ef\u4ee5\u901a\u904e\u8abf\u7528\u4f86\u57f7\u884c\u3002\u5b58\u5132\u904e\u7a0b\u53ef\u4ee5\u63a5\u53d7\u53c3\u6578\uff0c\u4e26\u4e14\u53ef\u4ee5\u8fd4\u56de\u7d50\u679c\u96c6\u6216\u72c0\u614b\u503c\u3002\u5b83\u5011\u901a\u5e38\u7528\u65bc\u57f7\u884c\u8907\u96dc\u7684\u64cd\u4f5c\uff0c\u4e26\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h3 id=\"%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%9a%84%e5%84%aa%e5%8b%a2-qXlUJiWtWo\">\u5b58\u5132\u904e\u7a0b\u7684\u512a\u52e2<\/h3>\n<ul>\n<li>\u63d0\u9ad8\u6027\u80fd\uff1a\u7531\u65bc\u5b58\u5132\u904e\u7a0b\u662f\u9810\u7de8\u8b6f\u7684\uff0c\u56e0\u6b64\u57f7\u884c\u901f\u5ea6\u66f4\u5feb\u3002<\/li>\n<li>\u5b89\u5168\u6027\uff1a\u53ef\u4ee5\u9650\u5236\u7528\u6236\u5c0d\u6578\u64da\u7684\u76f4\u63a5\u8a2a\u554f\uff0c\u53ea\u5141\u8a31\u901a\u904e\u5b58\u5132\u904e\u7a0b\u9032\u884c\u64cd\u4f5c\u3002<\/li>\n<li>\u53ef\u91cd\u7528\u6027\uff1a\u5b58\u5132\u904e\u7a0b\u53ef\u4ee5\u5728\u591a\u500b\u61c9\u7528\u7a0b\u5e8f\u4e2d\u91cd\u7528\uff0c\u6e1b\u5c11\u4ee3\u78bc\u91cd\u8907\u3002<\/li>\n<\/ul>\n<h3 id=\"%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%a4%ba%e4%be%8b-qXlUJiWtWo\">\u5b58\u5132\u904e\u7a0b\u793a\u4f8b<\/h3>\n<pre><code>CREATE PROCEDURE GetEmployeeById\n    @EmployeeId INT\nAS\nBEGIN\n    SELECT * FROM Employees WHERE Id = @EmployeeId;\nEND;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>GetEmployeeById<\/code> \u7684\u5b58\u5132\u904e\u7a0b\uff0c\u8a72\u904e\u7a0b\u63a5\u53d7\u4e00\u500b\u54e1\u5de5ID\u4f5c\u70ba\u53c3\u6578\uff0c\u4e26\u8fd4\u56de\u8a72\u54e1\u5de5\u7684\u6240\u6709\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%aa%bf%e7%94%a8sql%e5%87%bd%e6%95%b8%e5%92%8c%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b-qXlUJiWtWo\">\u5982\u4f55\u8abf\u7528SQL\u51fd\u6578\u548c\u5b58\u5132\u904e\u7a0b<\/h2>\n<p>\u8abf\u7528SQL\u51fd\u6578\u548c\u5b58\u5132\u904e\u7a0b\u975e\u5e38\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u8abf\u7528\u4e0a\u8ff0\u793a\u4f8b\u7684\u51fd\u6578\u548c\u5b58\u5132\u904e\u7a0b\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>-- \u8abf\u7528\u51fd\u6578\nSELECT dbo.GetEmployeeFullName('John', 'Doe') AS FullName;\n\n-- \u8abf\u7528\u5b58\u5132\u904e\u7a0b\nEXEC GetEmployeeById @EmployeeId = 1;<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-qXlUJiWtWo\">\u7d50\u8ad6<\/h2>\n<p>SQL\u51fd\u6578\u548c\u5b58\u5132\u904e\u7a0b\u662f\u6578\u64da\u5eab\u958b\u767c\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002\u5b83\u5011\u4e0d\u50c5\u63d0\u9ad8\u4e86\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\uff0c\u9084\u80fd\u589e\u5f37\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002\u901a\u904e\u4f7f\u7528\u9019\u4e9b\u529f\u80fd\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 SQL \u51fd\u6578\u548c\u5b58\u5132\u904e\u7a0b\u7684\u6a21\u677f\u793a\u4f8b\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u67e5\u8a62\u548c\u6578\u64da\u8655\u7406\u904e\u7a0b\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-143813","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/143813","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=143813"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/143813\/revisions"}],"predecessor-version":[{"id":143814,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/143813\/revisions\/143814"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=143813"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=143813"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=143813"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}