{"id":185256,"date":"2024-11-10T20:02:19","date_gmt":"2024-11-10T12:02:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185256\/"},"modified":"2024-11-10T20:02:19","modified_gmt":"2024-11-10T12:02:19","slug":"%e4%bd%bf%e7%94%a8sql-server%e8%87%aa%e5%8b%95%e5%a2%9e%e9%87%8f%e7%94%9f%e6%88%90%e5%94%af%e4%b8%80id%ef%bc%88sqlserver%e8%87%aa%e5%a2%9e%e9%87%8f%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185256\/","title":{"rendered":"\u4f7f\u7528SQL Server\u81ea\u52d5\u589e\u91cf\u751f\u6210\u552f\u4e00ID\uff08sqlserver\u81ea\u589e\u91cf\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8sql-server%e8%87%aa%e5%8b%95%e5%a2%9e%e9%87%8f%e7%94%9f%e6%88%90%e5%94%af%e4%b8%80id%ef%bc%88sqlserver%e8%87%aa%e5%a2%9e%e9%87%8f%ef%bc%89-xqmPJHMrdl\">\u4f7f\u7528SQL Server\u81ea\u52d5\u589e\u91cf\u751f\u6210\u552f\u4e00ID\uff08sqlserver\u81ea\u589e\u91cf\uff09<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u4e2d\uff0c\u552f\u4e00ID\u7684\u751f\u6210\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u74b0\u3002\u5c0d\u65bc\u8a31\u591a\u61c9\u7528\u7a0b\u5f0f\u4f86\u8aaa\uff0c\u78ba\u4fdd\u6bcf\u4e00\u689d\u8a18\u9304\u90fd\u6709\u4e00\u500b\u7368\u7279\u7684\u6a19\u8b58\u7b26\u662f\u5fc5\u9808\u7684\u3002SQL Server\u63d0\u4f9b\u4e86\u4e00\u7a2e\u7c21\u55ae\u800c\u6709\u6548\u7684\u65b9\u6cd5\u4f86\u81ea\u52d5\u751f\u6210\u9019\u4e9b\u552f\u4e00ID\uff0c\u9019\u5c31\u662f\u81ea\u589e\u91cf\uff08IDENTITY\uff09\u5c6c\u6027\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728SQL Server\u4e2d\u4f7f\u7528\u81ea\u589e\u91cf\u751f\u6210\u552f\u4e00ID\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u7bc4\u4f8b\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e8%87%aa%e5%a2%9e%e9%87%8f%ef%bc%88identity%ef%bc%89-xqmPJHMrdl\">\u4ec0\u9ebc\u662f\u81ea\u589e\u91cf\uff08IDENTITY\uff09<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0c\u81ea\u589e\u91cf\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u5217\u5c6c\u6027\uff0c\u5141\u8a31\u8cc7\u6599\u5eab\u81ea\u52d5\u70ba\u6bcf\u4e00\u689d\u65b0\u63d2\u5165\u7684\u8a18\u9304\u751f\u6210\u4e00\u500b\u552f\u4e00\u7684\u6574\u6578\u503c\u3002\u9019\u500b\u503c\u901a\u5e38\u5f9e1\u958b\u59cb\uff0c\u4e26\u96a8\u8457\u6bcf\u6b21\u63d2\u5165\u800c\u81ea\u52d5\u589e\u52a0\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u4e0d\u50c5\u7c21\u5316\u4e86ID\u7684\u7ba1\u7406\uff0c\u9084\u80fd\u6709\u6548\u907f\u514d\u91cd\u8907\u7684ID\u554f\u984c\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e8%87%aa%e5%a2%9e%e9%87%8f%e7%94%9f%e6%88%90%e5%94%af%e4%b8%80id-xqmPJHMrdl\">\u5982\u4f55\u4f7f\u7528\u81ea\u589e\u91cf\u751f\u6210\u552f\u4e00ID<\/h2>\n<p>\u8981\u5728SQL Server\u4e2d\u4f7f\u7528\u81ea\u589e\u91cf\u751f\u6210\u552f\u4e00ID\uff0c\u9996\u5148\u9700\u8981\u5728\u5275\u5efa\u8868\u6642\u6307\u5b9a\u8a72\u5217\u7684\u5c6c\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\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\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70baUsers\u7684\u8868\uff0c\u5176\u4e2dUserID\u5217\u88ab\u8a2d\u7f6e\u70ba\u81ea\u589e\u91cf\u3002\u9019\u610f\u5473\u8457\u6bcf\u7576\u6211\u5011\u63d2\u5165\u4e00\u689d\u65b0\u8a18\u9304\u6642\uff0cUserID\u5c07\u81ea\u52d5\u751f\u6210\u4e00\u500b\u552f\u4e00\u7684\u6574\u6578\u503c\uff0c\u5f9e1\u958b\u59cb\uff0c\u6bcf\u6b21\u589e\u52a01\u3002<\/p>\n<h2 id=\"%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e7%a4%ba%e4%be%8b-xqmPJHMrdl\">\u63d2\u5165\u6578\u64da\u793a\u4f8b<\/h2>\n<p>\u63d2\u5165\u6578\u64da\u6642\uff0c\u6211\u5011\u4e0d\u9700\u8981\u70baUserID\u63d0\u4f9b\u503c\uff0c\u56e0\u70ba\u5b83\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\u5206\u914d\u70ba1\u548c2\uff0c\u5206\u5225\u5c0d\u61c9\u65bcAlice\u548cBob\u3002<\/p>\n<h2 id=\"%e8%87%aa%e5%a2%9e%e9%87%8f%e7%9a%84%e5%85%b6%e4%bb%96%e9%81%b8%e9%a0%85-xqmPJHMrdl\">\u81ea\u589e\u91cf\u7684\u5176\u4ed6\u9078\u9805<\/h2>\n<p>\u5728\u5b9a\u7fa9\u81ea\u589e\u91cf\u6642\uff0c\u6211\u5011\u53ef\u4ee5\u6307\u5b9a\u8d77\u59cb\u503c\u548c\u589e\u91cf\u503c\u3002\u9019\u53ef\u4ee5\u901a\u904eIDENTITY\u5c6c\u6027\u4e2d\u7684\u5169\u500b\u53c3\u6578\u4f86\u5be6\u73fe\uff1a<\/p>\n<ul>\n<li><strong>\u8d77\u59cb\u503c\uff1a<\/strong>\u7b2c\u4e00\u500b\u53c3\u6578\uff0c\u6307\u5b9a\u81ea\u589e\u91cf\u7684\u8d77\u59cb\u503c\u3002<\/li>\n<li><strong>\u589e\u91cf\u503c\uff1a<\/strong>\u7b2c\u4e8c\u500b\u53c3\u6578\uff0c\u6307\u5b9a\u6bcf\u6b21\u589e\u52a0\u7684\u503c\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u5e0c\u671bUserID\u5f9e100\u958b\u59cb\uff0c\u6bcf\u6b21\u589e\u52a05\uff0c\u53ef\u4ee5\u9019\u6a23\u5b9a\u7fa9\uff1a<\/p>\n<pre><code>CREATE TABLE Users (\n    UserID INT IDENTITY(100,5) PRIMARY KEY,\n    UserName NVARCHAR(50),\n    Email NVARCHAR(100)\n);<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-xqmPJHMrdl\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u4f7f\u7528\u81ea\u589e\u91cf\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u81ea\u589e\u91cf\u5217\u5fc5\u9808\u662f\u4e3b\u9375\u6216\u552f\u4e00\u9375\uff0c\u9019\u6a23\u624d\u80fd\u4fdd\u8b49\u5176\u552f\u4e00\u6027\u3002<\/li>\n<li>\u5982\u679c\u522a\u9664\u4e86\u4e00\u689d\u8a18\u9304\uff0c\u8a72\u8a18\u9304\u7684ID\u4e0d\u6703\u88ab\u91cd\u7528\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4ID\u7684\u9593\u9699\u3002<\/li>\n<li>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u91cd\u7f6e\u81ea\u589e\u91cf\u7684\u8a08\u6578\u5668\uff0c\u53ef\u4ee5\u4f7f\u7528DBCC CHECKIDENT\u547d\u4ee4\u3002<\/li>\n<\/ul>\n<pre><code>DBCC CHECKIDENT ('Users', RESEED, 50);<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c07Users\u8868\u7684\u81ea\u589e\u91cf\u8a08\u6578\u5668\u91cd\u7f6e\u70ba50\uff0c\u4e0b\u4e00\u6b21\u63d2\u5165\u5c07\u751f\u621051\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-xqmPJHMrdl\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528SQL Server\u7684\u81ea\u589e\u91cf\u529f\u80fd\u53ef\u4ee5\u6709\u6548\u5730\u751f\u6210\u552f\u4e00ID\uff0c\u7c21\u5316\u8cc7\u6599\u5eab\u7684\u7ba1\u7406\u3002\u900f\u904e\u7c21\u55ae\u7684\u8a9e\u6cd5\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u8a2d\u7f6e\u81ea\u589e\u91cf\u5c6c\u6027\uff0c\u4e26\u5728\u63d2\u5165\u6578\u64da\u6642\u81ea\u52d5\u751f\u6210\u552f\u4e00\u6a19\u8b58\u7b26\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u958b\u767c\u6548\u7387\uff0c\u9084\u6e1b\u5c11\u4e86\u56e0\u624b\u52d5\u7ba1\u7406ID\u800c\u53ef\u80fd\u51fa\u73fe\u7684\u932f\u8aa4\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\u904b\u884c\u60a8\u7684SQL Server\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5728SQL Server\u4e2d\u4f7f\u7528\u81ea\u589e\u91cf\u529f\u80fd\u81ea\u52d5\u751f\u6210\u552f\u4e00ID\uff0c\u7c21\u5316\u6578\u64da\u7ba1\u7406\u548c\u63d0\u9ad8\u6548\u7387\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-185256","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185256","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=185256"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185256\/revisions"}],"predecessor-version":[{"id":185257,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185256\/revisions\/185257"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=185256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=185256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=185256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}