{"id":141805,"date":"2024-10-31T22:05:19","date_gmt":"2024-10-31T14:05:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/141805\/"},"modified":"2024-10-31T22:05:20","modified_gmt":"2024-10-31T14:05:20","slug":"sql-server-%e8%87%aa%e5%a2%9e%e5%ad%97%e6%ae%b5%e6%8f%92%e5%85%a5%e5%80%bc%e7%9a%84%e5%af%a6%e9%9a%9b%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/141805\/","title":{"rendered":"SQL Server \u81ea\u589e\u5b57\u6bb5\u63d2\u5165\u503c\u7684\u5be6\u969b\u64cd\u4f5c"},"content":{"rendered":"<h1 id=\"sql-server-%e8%87%aa%e5%a2%9e%e5%ad%97%e6%ae%b5%e6%8f%92%e5%85%a5%e5%80%bc%e7%9a%84%e5%af%a6%e9%9a%9b%e6%93%8d%e4%bd%9c-mKRxQjOATN\">SQL Server \u81ea\u589e\u5b57\u6bb5\u63d2\u5165\u503c\u7684\u5be6\u969b\u64cd\u4f5c<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u81ea\u589e\u5b57\u6bb5\u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u7279\u6027\uff0c\u7279\u5225\u662f\u5728 SQL Server \u4e2d\u3002\u81ea\u589e\u5b57\u6bb5\u5141\u8a31\u7528\u6236\u5728\u63d2\u5165\u65b0\u8a18\u9304\u6642\uff0c\u81ea\u52d5\u751f\u6210\u552f\u4e00\u7684\u6578\u503c\uff0c\u9019\u5c0d\u65bc\u4e3b\u9375\u7684\u7ba1\u7406\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e SQL Server \u4e2d\u81ea\u589e\u5b57\u6bb5\u7684\u64cd\u4f5c\uff0c\u5305\u62ec\u5982\u4f55\u8a2d\u7f6e\u3001\u63d2\u5165\u503c\u4ee5\u53ca\u5e38\u898b\u7684\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e8%87%aa%e5%a2%9e%e5%ad%97%e6%ae%b5%ef%bc%9f-mKRxQjOATN\">\u4ec0\u9ebc\u662f\u81ea\u589e\u5b57\u6bb5\uff1f<\/h2>\n<p>\u81ea\u589e\u5b57\u6bb5\uff08Identity Column\uff09\u662f SQL Server \u4e2d\u7684\u4e00\u7a2e\u7279\u6b8a\u5b57\u6bb5\u985e\u578b\uff0c\u7576\u7528\u6236\u63d2\u5165\u65b0\u8a18\u9304\u6642\uff0c\u8a72\u5b57\u6bb5\u7684\u503c\u6703\u81ea\u52d5\u589e\u52a0\u3002\u9019\u901a\u5e38\u7528\u65bc\u4e3b\u9375\uff0c\u4ee5\u78ba\u4fdd\u6bcf\u689d\u8a18\u9304\u7684\u552f\u4e00\u6027\u3002\u81ea\u589e\u5b57\u6bb5\u7684\u8a2d\u7f6e\u901a\u5e38\u5728\u5275\u5efa\u8868\u6642\u9032\u884c\uff0c\u4e26\u4e14\u53ef\u4ee5\u6307\u5b9a\u8d77\u59cb\u503c\u548c\u589e\u91cf\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%ae%e8%87%aa%e5%a2%9e%e5%ad%97%e6%ae%b5-mKRxQjOATN\">\u5982\u4f55\u8a2d\u7f6e\u81ea\u589e\u5b57\u6bb5<\/h2>\n<p>\u5728 SQL Server \u4e2d\uff0c\u8a2d\u7f6e\u81ea\u589e\u5b57\u6bb5\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE TABLE Users (\n    UserID INT IDENTITY(1,1) PRIMARY KEY,\n    UserName NVARCHAR(50),\n    Email NVARCHAR(100)\n);<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u7bc4\u4f8b\u4e2d\uff0cUserID \u662f\u4e00\u500b\u81ea\u589e\u5b57\u6bb5\uff0c\u8d77\u59cb\u503c\u70ba 1\uff0c\u6bcf\u6b21\u63d2\u5165\u65b0\u8a18\u9304\u6642\u81ea\u52d5\u589e\u52a0 1\u3002<\/p>\n<h2 id=\"%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e5%88%b0%e8%87%aa%e5%a2%9e%e5%ad%97%e6%ae%b5-mKRxQjOATN\">\u63d2\u5165\u6578\u64da\u5230\u81ea\u589e\u5b57\u6bb5<\/h2>\n<p>\u7576\u63d2\u5165\u6578\u64da\u6642\uff0c\u7121\u9700\u70ba\u81ea\u589e\u5b57\u6bb5\u63d0\u4f9b\u503c\u3002SQL Server \u6703\u81ea\u52d5\u751f\u6210\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO Users (UserName, Email) VALUES ('Alice', 'alice@example.com');\nINSERT INTO Users (UserName, Email) VALUES ('Bob', 'bob@example.com');<\/code><\/pre>\n<p>\u57f7\u884c\u4e0a\u8ff0\u63d2\u5165\u8a9e\u53e5\u5f8c\uff0cUserID \u5c07\u81ea\u52d5\u751f\u6210\uff0c\u5206\u5225\u70ba 1 \u548c 2\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e8%87%aa%e5%a2%9e%e5%ad%97%e6%ae%b5%e7%9a%84%e5%80%bc-mKRxQjOATN\">\u67e5\u8a62\u81ea\u589e\u5b57\u6bb5\u7684\u503c<\/h2>\n<p>\u8981\u67e5\u8a62\u81ea\u589e\u5b57\u6bb5\u7684\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528 SELECT \u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT * FROM Users;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u6240\u6709\u7528\u6236\u7684\u8cc7\u6599\uff0c\u5305\u62ec\u81ea\u589e\u5b57\u6bb5 UserID \u7684\u503c\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-mKRxQjOATN\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li><strong>\u81ea\u589e\u5b57\u6bb5\u7684\u552f\u4e00\u6027\uff1a<\/strong>\u81ea\u589e\u5b57\u6bb5\u5fc5\u9808\u662f\u552f\u4e00\u7684\uff0c\u9019\u6a23\u624d\u80fd\u4f5c\u70ba\u4e3b\u9375\u4f7f\u7528\u3002<\/li>\n<li><strong>\u91cd\u7f6e\u81ea\u589e\u5b57\u6bb5\uff1a<\/strong>\u53ef\u4ee5\u4f7f\u7528 DBCC CHECKIDENT \u547d\u4ee4\u4f86\u91cd\u7f6e\u81ea\u589e\u5b57\u6bb5\u7684\u503c\u3002\u4f8b\u5982\uff1a<\/li>\n<pre><code>DBCC CHECKIDENT ('Users', RESEED, 0);<\/code><\/pre>\n<li><strong>\u522a\u9664\u8a18\u9304\u5f8c\u7684\u5f71\u97ff\uff1a<\/strong>\u5982\u679c\u522a\u9664\u4e86\u4e00\u4e9b\u8a18\u9304\uff0c\u81ea\u589e\u5b57\u6bb5\u7684\u503c\u4e0d\u6703\u91cd\u65b0\u4f7f\u7528\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u7a7a\u6d1e\u7684 ID\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-mKRxQjOATN\">\u7d50\u8ad6<\/h2>\n<p>\u81ea\u589e\u5b57\u6bb5\u5728 SQL Server \u4e2d\u662f\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u529f\u80fd\uff0c\u80fd\u5920\u7c21\u5316\u6578\u64da\u63d2\u5165\u7684\u904e\u7a0b\u4e26\u78ba\u4fdd\u6578\u64da\u7684\u552f\u4e00\u6027\u3002\u901a\u904e\u6b63\u78ba\u8a2d\u7f6e\u548c\u4f7f\u7528\u81ea\u589e\u5b57\u6bb5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u8cc7\u6599\u5eab\u4e2d\u7684\u6578\u64da\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u8cc7\u6599\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728 SQL Server \u4e2d\u5be6\u969b\u64cd\u4f5c\u81ea\u589e\u5b57\u6bb5\u63d2\u5165\u503c\uff0c\u638c\u63e1\u81ea\u589e\u4e3b\u9375\u7684\u4f7f\u7528\u6280\u5de7\u8207\u6ce8\u610f\u4e8b\u9805\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-141805","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/141805","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=141805"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/141805\/revisions"}],"predecessor-version":[{"id":141806,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/141805\/revisions\/141806"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=141805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=141805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=141805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}