{"id":138399,"date":"2024-10-31T14:09:20","date_gmt":"2024-10-31T06:09:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/138399\/"},"modified":"2024-10-31T14:09:21","modified_gmt":"2024-10-31T06:09:21","slug":"sql-server%e8%a1%a8%e8%ae%8a%e9%87%8f%e5%92%8c%e8%87%a8%e6%99%82%e8%a1%a8%e7%9a%84%e5%8d%80%e5%88%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/138399\/","title":{"rendered":"SQL Server\u8868\u8b8a\u91cf\u548c\u81e8\u6642\u8868\u7684\u5340\u5225"},"content":{"rendered":"<h1 id=\"sql-server%e8%a1%a8%e8%ae%8a%e9%87%8f%e5%92%8c%e8%87%a8%e6%99%82%e8%a1%a8%e7%9a%84%e5%8d%80%e5%88%a5-kjxXPjdwxr\">SQL Server\u8868\u8b8a\u91cf\u548c\u81e8\u6642\u8868\u7684\u5340\u5225<\/h1>\n<p>\u5728SQL Server\u4e2d\uff0c\u8868\u8b8a\u91cf\u548c\u81e8\u6642\u8868\u90fd\u662f\u7528\u4f86\u5b58\u5132\u81e8\u6642\u6578\u64da\u7684\u5de5\u5177\uff0c\u4f46\u5b83\u5011\u5728\u4f7f\u7528\u4e0a\u6709\u4e00\u4e9b\u91cd\u8981\u7684\u5340\u5225\u3002\u4e86\u89e3\u9019\u4e9b\u5340\u5225\u5c0d\u65bc\u6578\u64da\u5eab\u958b\u767c\u8005\u548c\u7ba1\u7406\u54e1\u4f86\u8aaa\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u56e0\u70ba\u9078\u64c7\u5408\u9069\u7684\u5de5\u5177\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u548c\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n<h2 id=\"%e8%a1%a8%e8%ae%8a%e9%87%8f%e7%9a%84%e5%ae%9a%e7%be%a9-kjxXPjdwxr\">\u8868\u8b8a\u91cf\u7684\u5b9a\u7fa9<\/h2>\n<p>\u8868\u8b8a\u91cf\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u8b8a\u91cf\uff0c\u7528\u65bc\u5b58\u5132\u8868\u683c\u6578\u64da\u3002\u5b83\u7684\u5b9a\u7fa9\u985e\u4f3c\u65bc\u666e\u901a\u8b8a\u91cf\uff0c\u4f46\u5176\u6578\u64da\u985e\u578b\u662f\u8868\u3002\u8868\u8b8a\u91cf\u7684\u8072\u660e\u4f7f\u7528 <code>DECLARE<\/code> \u8a9e\u53e5\uff0c\u4e26\u4e14\u53ef\u4ee5\u5728\u5b58\u5132\u904e\u7a0b\u6216\u6279\u8655\u7406\u4e2d\u4f7f\u7528\u3002<\/p>\n<pre><code>DECLARE @MyTableVar TABLE (\n    ID INT,\n    Name NVARCHAR(50)\n);\n<\/code><\/pre>\n<h2 id=\"%e8%87%a8%e6%99%82%e8%a1%a8%e7%9a%84%e5%ae%9a%e7%be%a9-kjxXPjdwxr\">\u81e8\u6642\u8868\u7684\u5b9a\u7fa9<\/h2>\n<p>\u81e8\u6642\u8868\u662f\u5b58\u5132\u5728 <code>tempdb<\/code> \u6578\u64da\u5eab\u4e2d\u7684\u8868\uff0c\u901a\u5e38\u7528\u65bc\u5b58\u5132\u81e8\u6642\u6578\u64da\u3002\u81e8\u6642\u8868\u7684\u540d\u7a31\u4ee5 <code>#<\/code> \u958b\u982d\uff0c\u4e26\u4e14\u53ef\u4ee5\u5728\u6703\u8a71\u4e2d\u4f7f\u7528\u3002\u81e8\u6642\u8868\u53ef\u4ee5\u662f\u672c\u5730\u7684\uff08\u4ee5 <code>#<\/code> \u958b\u982d\uff09\u6216\u5168\u5c40\u7684\uff08\u4ee5 <code>##<\/code> \u958b\u982d\uff09\u3002<\/p>\n<pre><code>CREATE TABLE #MyTempTable (\n    ID INT,\n    Name NVARCHAR(50)\n);\n<\/code><\/pre>\n<h2 id=\"%e4%b8%bb%e8%a6%81%e5%8d%80%e5%88%a5-kjxXPjdwxr\">\u4e3b\u8981\u5340\u5225<\/h2>\n<h3 id=\"1-%e4%bd%9c%e7%94%a8%e5%9f%9f-kjxXPjdwxr\">1. \u4f5c\u7528\u57df<\/h3>\n<p>\u8868\u8b8a\u91cf\u7684\u4f5c\u7528\u57df\u50c5\u9650\u65bc\u5176\u88ab\u8072\u660e\u7684\u6279\u8655\u7406\u6216\u5b58\u5132\u904e\u7a0b\u5167\uff0c\u800c\u81e8\u6642\u8868\u7684\u4f5c\u7528\u57df\u5247\u662f\u6703\u8a71\u7bc4\u570d\u5167\u3002\u9019\u610f\u5473\u8457\u81e8\u6642\u8868\u53ef\u4ee5\u5728\u591a\u500b\u5b58\u5132\u904e\u7a0b\u6216\u6279\u8655\u7406\u4e2d\u4f7f\u7528\uff0c\u53ea\u8981\u5b83\u5011\u5728\u540c\u4e00\u6703\u8a71\u4e2d\u3002<\/p>\n<h3 id=\"2-%e6%80%a7%e8%83%bd-kjxXPjdwxr\">2. \u6027\u80fd<\/h3>\n<p>\u5728\u6027\u80fd\u65b9\u9762\uff0c\u8868\u8b8a\u91cf\u901a\u5e38\u5728\u8655\u7406\u5c0f\u578b\u6578\u64da\u96c6\u6642\u8868\u73fe\u66f4\u597d\uff0c\u800c\u81e8\u6642\u8868\u5247\u5728\u8655\u7406\u5927\u578b\u6578\u64da\u96c6\u6642\u66f4\u5177\u512a\u52e2\u3002\u9019\u662f\u56e0\u70ba\u81e8\u6642\u8868\u53ef\u4ee5\u64c1\u6709\u7d22\u5f15\uff0c\u4e26\u4e14\u53ef\u4ee5\u9032\u884c\u7d71\u8a08\u4fe1\u606f\u7684\u66f4\u65b0\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<h3 id=\"3-%e5%ad%98%e5%84%b2%e5%92%8c%e8%a8%98%e6%86%b6%e9%ab%94%e4%bd%bf%e7%94%a8-kjxXPjdwxr\">3. \u5b58\u5132\u548c\u8a18\u61b6\u9ad4\u4f7f\u7528<\/h3>\n<p>\u8868\u8b8a\u91cf\u7684\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u9019\u4f7f\u5f97\u5b83\u5011\u5728\u5c0f\u578b\u6578\u64da\u96c6\u7684\u64cd\u4f5c\u4e2d\u975e\u5e38\u5feb\u901f\u3002\u7136\u800c\uff0c\u7576\u6578\u64da\u96c6\u8b8a\u5927\u6642\uff0c\u8868\u8b8a\u91cf\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u76f8\u5c0d\u800c\u8a00\uff0c\u81e8\u6642\u8868\u5247\u5b58\u5132\u5728 <code>tempdb<\/code> \u4e2d\uff0c\u4e26\u4e14\u53ef\u4ee5\u8655\u7406\u66f4\u5927\u7684\u6578\u64da\u96c6\u3002<\/p>\n<h3 id=\"4-%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86-kjxXPjdwxr\">4. \u932f\u8aa4\u8655\u7406<\/h3>\n<p>\u5728\u932f\u8aa4\u8655\u7406\u65b9\u9762\uff0c\u8868\u8b8a\u91cf\u4e0d\u652f\u6301\u932f\u8aa4\u6355\u7372\uff0c\u800c\u81e8\u6642\u8868\u5247\u53ef\u4ee5\u4f7f\u7528 <code>TRY...CATCH<\/code> \u7d50\u69cb\u4f86\u6355\u7372\u932f\u8aa4\uff0c\u9019\u4f7f\u5f97\u81e8\u6642\u8868\u5728\u9700\u8981\u9032\u884c\u932f\u8aa4\u8655\u7406\u7684\u60c5\u6cc1\u4e0b\u66f4\u5177\u9748\u6d3b\u6027\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e7%a4%ba%e4%be%8b-kjxXPjdwxr\">\u4f7f\u7528\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u8868\u8b8a\u91cf\u548c\u81e8\u6642\u8868\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e8%a1%a8%e8%ae%8a%e9%87%8f%e7%a4%ba%e4%be%8b-kjxXPjdwxr\">\u8868\u8b8a\u91cf\u793a\u4f8b<\/h3>\n<pre><code>DECLARE @EmployeeTable TABLE (\n    EmployeeID INT,\n    EmployeeName NVARCHAR(50)\n);\n\nINSERT INTO @EmployeeTable (EmployeeID, EmployeeName)\nVALUES (1, 'John Doe'), (2, 'Jane Smith');\n\nSELECT * FROM @EmployeeTable;\n<\/code><\/pre>\n<h3 id=\"%e8%87%a8%e6%99%82%e8%a1%a8%e7%a4%ba%e4%be%8b-kjxXPjdwxr\">\u81e8\u6642\u8868\u793a\u4f8b<\/h3>\n<pre><code>CREATE TABLE #EmployeeTemp (\n    EmployeeID INT,\n    EmployeeName NVARCHAR(50)\n);\n\nINSERT INTO #EmployeeTemp (EmployeeID, EmployeeName)\nVALUES (1, 'John Doe'), (2, 'Jane Smith');\n\nSELECT * FROM #EmployeeTemp;\nDROP TABLE #EmployeeTemp;\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kjxXPjdwxr\">\u7e3d\u7d50<\/h2>\n<p>\u7e3d\u7684\u4f86\u8aaa\uff0c\u8868\u8b8a\u91cf\u548c\u81e8\u6642\u8868\u5404\u6709\u5176\u512a\u7f3a\u9ede\uff0c\u9078\u64c7\u54ea\u4e00\u7a2e\u53d6\u6c7a\u65bc\u5177\u9ad4\u7684\u4f7f\u7528\u5834\u666f\u3002\u5c0d\u65bc\u5c0f\u578b\u6578\u64da\u96c6\uff0c\u8868\u8b8a\u91cf\u53ef\u80fd\u662f\u66f4\u597d\u7684\u9078\u64c7\uff0c\u800c\u5c0d\u65bc\u5927\u578b\u6578\u64da\u96c6\u6216\u9700\u8981\u9032\u884c\u8907\u96dc\u67e5\u8a62\u7684\u60c5\u6cc1\u4e0b\uff0c\u81e8\u6642\u8868\u5247\u66f4\u70ba\u5408\u9069\u3002\u4e86\u89e3\u9019\u4e9b\u5340\u5225\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\u505a\u51fa\u66f4\u660e\u667a\u7684\u6c7a\u7b56\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\uff0c\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u61c9\u7528\u7a0b\u5e8f\u90e8\u7f72\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3SQL Server\u4e2d\u8868\u8b8a\u91cf\u548c\u81e8\u6642\u8868\u7684\u4e3b\u8981\u5340\u5225\uff0c\u5305\u62ec\u6027\u80fd\u3001\u4f5c\u7528\u57df\u548c\u4f7f\u7528\u5834\u666f\uff0c\u5e6b\u52a9\u512a\u5316\u6578\u64da\u8655\u7406\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-138399","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/138399","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=138399"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/138399\/revisions"}],"predecessor-version":[{"id":138400,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/138399\/revisions\/138400"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=138399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=138399"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=138399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}