{"id":141743,"date":"2024-10-31T22:04:23","date_gmt":"2024-10-31T14:04:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/141743\/"},"modified":"2024-10-31T22:04:24","modified_gmt":"2024-10-31T14:04:24","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%e6%ad%a5%e9%a9%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/141743\/","title":{"rendered":"SQL Server \u81ea\u589e\u5b57\u6bb5\u63d2\u5165\u503c\u7684\u6b65\u9a5f"},"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%e6%ad%a5%e9%a9%9f-AkDrMlgyjU\">SQL Server \u81ea\u589e\u5b57\u6bb5\u63d2\u5165\u503c\u7684\u6b65\u9a5f<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\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\u8cc7\u6599\u5eab\u81ea\u52d5\u751f\u6210\u552f\u4e00\u7684\u6578\u503c\uff0c\u9019\u5c0d\u65bc\u4e3b\u9375\u7684\u8a2d\u7f6e\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5728 SQL Server \u4e2d\u5982\u4f55\u63d2\u5165\u81ea\u589e\u5b57\u6bb5\u7684\u503c\uff0c\u4ee5\u53ca\u76f8\u95dc\u7684\u6b65\u9a5f\u548c\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-AkDrMlgyjU\">\u4ec0\u9ebc\u662f\u81ea\u589e\u5b57\u6bb5\uff1f<\/h2>\n<p>\u81ea\u589e\u5b57\u6bb5\uff08Auto Increment Field\uff09\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u6578\u64da\u985e\u578b\uff0c\u901a\u5e38\u7528\u65bc\u4e3b\u9375\u3002\u7576\u65b0\u8a18\u9304\u88ab\u63d2\u5165\u5230\u8cc7\u6599\u8868\u4e2d\u6642\uff0c\u81ea\u589e\u5b57\u6bb5\u6703\u81ea\u52d5\u751f\u6210\u4e00\u500b\u552f\u4e00\u7684\u6578\u503c\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u624b\u52d5\u7ba1\u7406\u4e3b\u9375\u7684\u9ebb\u7169\u3002\u5728 SQL Server \u4e2d\uff0c\u81ea\u589e\u5b57\u6bb5\u901a\u5e38\u4f7f\u7528 <code>IDENTITY<\/code> \u5c6c\u6027\u4f86\u5be6\u73fe\u3002<\/p>\n<h2 id=\"%e5%89%b5%e5%bb%ba%e8%87%aa%e5%a2%9e%e5%ad%97%e6%ae%b5%e7%9a%84%e6%ad%a5%e9%a9%9f-AkDrMlgyjU\">\u5275\u5efa\u81ea\u589e\u5b57\u6bb5\u7684\u6b65\u9a5f<\/h2>\n<p>\u5728 SQL Server \u4e2d\u5275\u5efa\u4e00\u500b\u5305\u542b\u81ea\u589e\u5b57\u6bb5\u7684\u8cc7\u6599\u8868\uff0c\u901a\u5e38\u9700\u8981\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li><strong>\u5b9a\u7fa9\u8cc7\u6599\u8868\u7d50\u69cb\uff1a<\/strong>\u4f7f\u7528 <code>CREATE TABLE<\/code> \u8a9e\u53e5\u4f86\u5b9a\u7fa9\u8cc7\u6599\u8868\u7684\u7d50\u69cb\u3002<\/li>\n<li><strong>\u8a2d\u7f6e\u81ea\u589e\u5b57\u6bb5\uff1a<\/strong>\u5728\u5b9a\u7fa9\u5b57\u6bb5\u6642\uff0c\u4f7f\u7528 <code>IDENTITY<\/code> \u5c6c\u6027\u4f86\u8a2d\u7f6e\u81ea\u589e\u5b57\u6bb5\u3002<\/li>\n<\/ol>\n<h3 id=\"%e7%af%84%e4%be%8b%ef%bc%9a%e5%89%b5%e5%bb%ba%e4%b8%80%e5%80%8b%e5%8c%85%e5%90%ab%e8%87%aa%e5%a2%9e%e5%ad%97%e6%ae%b5%e7%9a%84%e8%b3%87%e6%96%99%e8%a1%a8-AkDrMlgyjU\">\u7bc4\u4f8b\uff1a\u5275\u5efa\u4e00\u500b\u5305\u542b\u81ea\u589e\u5b57\u6bb5\u7684\u8cc7\u6599\u8868<\/h3>\n<pre><code>\nCREATE TABLE Users (\n    UserID INT IDENTITY(1,1) PRIMARY KEY,\n    UserName NVARCHAR(50),\n    Email NVARCHAR(100)\n);\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u7bc4\u4f8b\u4e2d\uff0c<code>UserID<\/code> \u662f\u81ea\u589e\u5b57\u6bb5\uff0c\u5f9e 1 \u958b\u59cb\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%e7%9a%84%e6%ad%a5%e9%a9%9f-AkDrMlgyjU\">\u63d2\u5165\u6578\u64da\u7684\u6b65\u9a5f<\/h2>\n<p>\u5728\u63d2\u5165\u6578\u64da\u6642\uff0c\u60a8\u4e0d\u9700\u8981\u70ba\u81ea\u589e\u5b57\u6bb5\u63d0\u4f9b\u503c\u3002SQL Server \u6703\u81ea\u52d5\u751f\u6210\u8a72\u5b57\u6bb5\u7684\u503c\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li><strong>\u4f7f\u7528 <code>INSERT INTO<\/code> \u8a9e\u53e5\uff1a<\/strong>\u63d2\u5165\u6578\u64da\u6642\uff0c\u53ea\u9700\u6307\u5b9a\u5176\u4ed6\u5b57\u6bb5\u7684\u503c\u3002<\/li>\n<\/ol>\n<h3 id=\"%e7%af%84%e4%be%8b%ef%bc%9a%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-AkDrMlgyjU\">\u7bc4\u4f8b\uff1a\u63d2\u5165\u6578\u64da<\/h3>\n<pre><code>\nINSERT INTO Users (UserName, Email) VALUES ('Alice', 'alice@example.com');\nINSERT INTO Users (UserName, Email) VALUES ('Bob', 'bob@example.com');\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u7576\u63d2\u5165 Alice \u548c Bob \u7684\u8a18\u9304\u6642\uff0c<code>UserID<\/code> \u6703\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-AkDrMlgyjU\">\u67e5\u8a62\u81ea\u589e\u5b57\u6bb5\u7684\u503c<\/h2>\n<p>\u5982\u679c\u60a8\u9700\u8981\u67e5\u8a62\u81ea\u589e\u5b57\u6bb5\u7684\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>SELECT<\/code> \u8a9e\u53e5\u4f86\u6aa2\u7d22\u8cc7\u6599\u8868\u4e2d\u7684\u6240\u6709\u8a18\u9304\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b%ef%bc%9a%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-AkDrMlgyjU\">\u7bc4\u4f8b\uff1a\u67e5\u8a62\u6578\u64da<\/h3>\n<pre><code>\nSELECT * FROM Users;\n<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u6240\u6709\u7528\u6236\u7684\u8cc7\u6599\uff0c\u5305\u62ec\u81ea\u589e\u5b57\u6bb5 <code>UserID<\/code> \u7684\u503c\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-AkDrMlgyjU\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u81ea\u589e\u5b57\u6bb5\u7684\u503c\u662f\u552f\u4e00\u7684\uff0c\u4f46\u5982\u679c\u60a8\u522a\u9664\u67d0\u4e9b\u8a18\u9304\uff0c\u9019\u4e9b\u503c\u4e0d\u6703\u88ab\u91cd\u7528\u3002<\/li>\n<li>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u91cd\u7f6e\u81ea\u589e\u5b57\u6bb5\u7684\u8a08\u6578\u5668\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>DBCC CHECKIDENT<\/code> \u547d\u4ee4\u3002<\/li>\n<li>\u78ba\u4fdd\u5728\u8a2d\u8a08\u8cc7\u6599\u8868\u6642\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u4ee5\u652f\u6301\u9810\u671f\u7684\u6578\u64da\u7bc4\u570d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-AkDrMlgyjU\">\u7e3d\u7d50<\/h2>\n<p>\u81ea\u589e\u5b57\u6bb5\u5728 SQL Server \u4e2d\u662f\u4e00\u500b\u5f37\u5927\u7684\u529f\u80fd\uff0c\u80fd\u5920\u7c21\u5316\u8cc7\u6599\u7ba1\u7406\u4e26\u78ba\u4fdd\u6578\u64da\u7684\u552f\u4e00\u6027\u3002\u901a\u904e\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5275\u5efa\u548c\u4f7f\u7528\u81ea\u589e\u5b57\u6bb5\uff0c\u5f9e\u800c\u63d0\u9ad8\u8cc7\u6599\u5eab\u7684\u6548\u7387\u548c\u53ef\u9760\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684 SQL Server\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 SQL Server \u81ea\u589e\u5b57\u6bb5\u63d2\u5165\u503c\u7684\u6b65\u9a5f\uff0c\u638c\u63e1\u5982\u4f55\u6709\u6548\u7ba1\u7406\u81ea\u589e\u4e3b\u9375\uff0c\u7c21\u5316\u6578\u64da\u63d2\u5165\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-141743","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/141743","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=141743"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/141743\/revisions"}],"predecessor-version":[{"id":141744,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/141743\/revisions\/141744"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=141743"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=141743"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=141743"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}