{"id":168517,"date":"2024-11-06T13:02:22","date_gmt":"2024-11-06T05:02:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/168517\/"},"modified":"2024-11-06T13:02:22","modified_gmt":"2024-11-06T05:02:22","slug":"sql-%e4%b8%ad%e8%a1%a8%e8%ae%8a%e9%87%8f%e7%9a%84%e4%b8%8d%e8%b6%b3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/168517\/","title":{"rendered":"SQL \u4e2d\u8868\u8b8a\u91cf\u7684\u4e0d\u8db3"},"content":{"rendered":"<h1 id=\"sql-%e4%b8%ad%e8%a1%a8%e8%ae%8a%e9%87%8f%e7%9a%84%e4%b8%8d%e8%b6%b3-XhFtQBIveQ\">SQL \u4e2d\u8868\u8b8a\u91cf\u7684\u4e0d\u8db3<\/h1>\n<p>\u5728 SQL Server \u4e2d\uff0c\u8868\u8b8a\u91cf\u662f\u4e00\u7a2e\u7528\u65bc\u5b58\u5132\u81e8\u6642\u6578\u64da\u7684\u6578\u64da\u7d50\u69cb\u3002\u5b83\u5011\u7684\u4f7f\u7528\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u975e\u5e38\u65b9\u4fbf\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u81e8\u6642\u5b58\u5132\u5c0f\u578b\u6578\u64da\u96c6\u6642\u3002\u7136\u800c\uff0c\u8868\u8b8a\u91cf\u4e5f\u5b58\u5728\u4e00\u4e9b\u4e0d\u8db3\u4e4b\u8655\uff0c\u9019\u4e9b\u4e0d\u8db3\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\u548c\u529f\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e SQL \u4e2d\u8868\u8b8a\u91cf\u7684\u4e0d\u8db3\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u793a\u4f8b\u4f86\u8aaa\u660e\u9019\u4e9b\u554f\u984c\u3002<\/p>\n<h2 id=\"1-%e6%80%a7%e8%83%bd%e5%95%8f%e9%a1%8c-XhFtQBIveQ\">1. \u6027\u80fd\u554f\u984c<\/h2>\n<p>\u8868\u8b8a\u91cf\u7684\u6027\u80fd\u554f\u984c\u4e3b\u8981\u9ad4\u73fe\u5728\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u57f7\u884c\u8a08\u5283\u7684\u9078\u64c7\uff1a<\/strong>\u8868\u8b8a\u91cf\u7684\u7d71\u8a08\u4fe1\u606f\u4e0d\u5982\u81e8\u6642\u8868\u90a3\u6a23\u8a73\u7d30\u3002\u9019\u610f\u5473\u8457 SQL Server \u5728\u751f\u6210\u57f7\u884c\u8a08\u5283\u6642\uff0c\u53ef\u80fd\u7121\u6cd5\u505a\u51fa\u6700\u4f73\u7684\u9078\u64c7\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u5982\u679c\u6211\u5011\u4f7f\u7528\u8868\u8b8a\u91cf\u4f86\u5b58\u5132\u5927\u91cf\u6578\u64da\uff0cSQL Server \u53ef\u80fd\u6703\u9078\u64c7\u4e0d\u5408\u9069\u7684\u806f\u63a5\u7b56\u7565\uff0c\u5c0e\u81f4\u67e5\u8a62\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u5167\u5b58\u4f7f\u7528\uff1a<\/strong>\u8868\u8b8a\u91cf\u901a\u5e38\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u9019\u5728\u8655\u7406\u5c0f\u578b\u6578\u64da\u96c6\u6642\u662f\u6709\u6548\u7684\u3002\u7136\u800c\uff0c\u7576\u6578\u64da\u96c6\u8b8a\u5927\u6642\uff0c\u5167\u5b58\u7684\u4f7f\u7528\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\u3002\u76f8\u5c0d\u800c\u8a00\uff0c\u81e8\u6642\u8868\u53ef\u4ee5\u5728\u78c1\u789f\u4e0a\u9032\u884c\u5b58\u5132\uff0c\u9019\u6a23\u53ef\u4ee5\u66f4\u597d\u5730\u8655\u7406\u5927\u578b\u6578\u64da\u96c6\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e5%8a%9f%e8%83%bd%e9%99%90%e5%88%b6-XhFtQBIveQ\">2. \u529f\u80fd\u9650\u5236<\/h2>\n<p>\u8868\u8b8a\u91cf\u5728\u529f\u80fd\u4e0a\u4e5f\u5b58\u5728\u4e00\u4e9b\u9650\u5236\uff1a<\/p>\n<ul>\n<li><strong>\u7121\u6cd5\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\u96d6\u7136\u53ef\u4ee5\u5728\u8868\u8b8a\u91cf\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u4f46\u9019\u4e9b\u7d22\u5f15\u7684\u4f7f\u7528\u53d7\u5230\u9650\u5236\u3002\u8207\u81e8\u6642\u8868\u76f8\u6bd4\uff0c\u8868\u8b8a\u91cf\u7684\u7d22\u5f15\u4e0d\u6703\u81ea\u52d5\u66f4\u65b0\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u7121\u6cd5\u4f7f\u7528 DDL \u64cd\u4f5c\uff1a<\/strong>\u8868\u8b8a\u91cf\u4e0d\u652f\u6301\u6578\u64da\u5b9a\u7fa9\u8a9e\u8a00\uff08DDL\uff09\u64cd\u4f5c\uff0c\u4f8b\u5982 ALTER TABLE\u3002\u9019\u610f\u5473\u8457\u4e00\u65e6\u5275\u5efa\u4e86\u8868\u8b8a\u91cf\uff0c\u5176\u7d50\u69cb\u5c31\u7121\u6cd5\u66f4\u6539\uff0c\u9019\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u53ef\u80fd\u6703\u9020\u6210\u4e0d\u4fbf\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e4%bd%9c%e7%94%a8%e5%9f%9f%e5%95%8f%e9%a1%8c-XhFtQBIveQ\">3. \u4f5c\u7528\u57df\u554f\u984c<\/h2>\n<p>\u8868\u8b8a\u91cf\u7684\u4f5c\u7528\u57df\u50c5\u9650\u65bc\u5176\u5b9a\u7fa9\u7684\u6279\u6b21\u6216\u5b58\u5132\u904e\u7a0b\u5167\u3002\u9019\u610f\u5473\u8457\u4e00\u65e6\u96e2\u958b\u4e86\u8a72\u7bc4\u570d\uff0c\u8868\u8b8a\u91cf\u5c07\u7121\u6cd5\u518d\u88ab\u8a2a\u554f\u3002\u9019\u5728\u9700\u8981\u8de8\u591a\u500b\u5b58\u5132\u904e\u7a0b\u6216\u6279\u6b21\u5171\u4eab\u6578\u64da\u6642\uff0c\u6703\u9020\u6210\u4e00\u5b9a\u7684\u56f0\u96e3\u3002<\/p>\n<h2 id=\"4-%e4%be%8b%e5%ad%90-XhFtQBIveQ\">4. \u4f8b\u5b50<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u8868\u8b8a\u91cf\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>DECLARE @TempTable TABLE (ID INT, Name NVARCHAR(50));\n\nINSERT INTO @TempTable (ID, Name) VALUES (1, 'Alice'), (2, 'Bob');\n\nSELECT * FROM @TempTable;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u8868\u8b8a\u91cf @TempTable\uff0c\u4e26\u63d2\u5165\u4e86\u4e00\u4e9b\u6578\u64da\u3002\u96d6\u7136\u9019\u6a23\u7684\u7528\u6cd5\u5728\u8655\u7406\u5c0f\u578b\u6578\u64da\u96c6\u6642\u662f\u53ef\u884c\u7684\uff0c\u4f46\u5982\u679c\u6578\u64da\u91cf\u589e\u5927\uff0c\u5247\u53ef\u80fd\u6703\u9047\u5230\u524d\u9762\u63d0\u5230\u7684\u6027\u80fd\u554f\u984c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-XhFtQBIveQ\">\u7e3d\u7d50<\/h2>\n<p>\u96d6\u7136 SQL \u4e2d\u7684\u8868\u8b8a\u91cf\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u975e\u5e38\u6709\u7528\uff0c\u4f46\u5b83\u5011\u7684\u4e0d\u8db3\u4e4b\u8655\u4e5f\u4e0d\u5bb9\u5ffd\u8996\u3002\u6027\u80fd\u554f\u984c\u3001\u529f\u80fd\u9650\u5236\u4ee5\u53ca\u4f5c\u7528\u57df\u7684\u9650\u5236\u90fd\u53ef\u80fd\u5f71\u97ff\u958b\u767c\u8005\u7684\u9078\u64c7\u3002\u5728\u9078\u64c7\u4f7f\u7528\u8868\u8b8a\u91cf\u9084\u662f\u81e8\u6642\u8868\u6642\uff0c\u958b\u767c\u8005\u61c9\u6839\u64da\u5177\u9ad4\u60c5\u6cc1\u9032\u884c\u8a55\u4f30\uff0c\u4ee5\u78ba\u4fdd\u6700\u4f73\u7684\u6027\u80fd\u548c\u529f\u80fd\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\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u9700\u8981\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u9084\u662f\u9748\u6d3b\u7684 <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u8a0e SQL \u4e2d\u8868\u8b8a\u91cf\u7684\u4e0d\u8db3\uff0c\u5305\u62ec\u6027\u80fd\u9650\u5236\u3001\u4f5c\u7528\u57df\u554f\u984c\u53ca\u5c0d\u5927\u578b\u6578\u64da\u96c6\u7684\u8655\u7406\u6311\u6230\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-168517","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168517","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=168517"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168517\/revisions"}],"predecessor-version":[{"id":168518,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168517\/revisions\/168518"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=168517"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=168517"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=168517"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}