{"id":138309,"date":"2024-10-31T13:24:22","date_gmt":"2024-10-31T05:24:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/138309\/"},"modified":"2024-10-31T13:24:23","modified_gmt":"2024-10-31T05:24:23","slug":"sql-server%e8%87%aa%e5%a2%9e%e6%a8%99%e8%aa%8c%e5%88%97%e6%b8%85%e9%9b%b6%e4%b8%ad%e8%a6%81%e7%94%a8%e5%88%b0%e7%9a%84%e4%bb%a3%e7%a2%bc","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/138309\/","title":{"rendered":"SQL Server\u81ea\u589e\u6a19\u8a8c\u5217\u6e05\u96f6\u4e2d\u8981\u7528\u5230\u7684\u4ee3\u78bc"},"content":{"rendered":"<h1 id=\"sql-server%e8%87%aa%e5%a2%9e%e6%a8%99%e8%aa%8c%e5%88%97%e6%b8%85%e9%9b%b6%e4%b8%ad%e8%a6%81%e7%94%a8%e5%88%b0%e7%9a%84%e4%bb%a3%e7%a2%bc-HtYSpubZkA\">SQL Server\u81ea\u589e\u6a19\u8a8c\u5217\u6e05\u96f6\u4e2d\u8981\u7528\u5230\u7684\u4ee3\u78bc<\/h1>\n<p>\u5728\u4f7f\u7528SQL Server\u9032\u884c\u6578\u64da\u5eab\u7ba1\u7406\u6642\uff0c\u81ea\u589e\u6a19\u8a8c\u5217\uff08Identity Column\uff09\u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u7279\u6027\u3002\u5b83\u5141\u8a31\u7528\u6236\u5728\u63d2\u5165\u65b0\u8a18\u9304\u6642\uff0c\u81ea\u52d5\u751f\u6210\u552f\u4e00\u7684\u6a19\u8b58\u7b26\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u9700\u8981\u91cd\u7f6e\u81ea\u589e\u6a19\u8a8c\u5217\u7684\u60c5\u6cc1\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6e05\u96f6SQL Server\u4e2d\u7684\u81ea\u589e\u6a19\u8a8c\u5217\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e8%87%aa%e5%a2%9e%e6%a8%99%e8%aa%8c%e5%88%97%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-HtYSpubZkA\">\u81ea\u589e\u6a19\u8a8c\u5217\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u81ea\u589e\u6a19\u8a8c\u5217\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u5217\u985e\u578b\uff0c\u901a\u5e38\u7528\u65bc\u4e3b\u9375\u3002\u7576\u65b0\u884c\u88ab\u63d2\u5165\u5230\u8868\u4e2d\u6642\uff0cSQL Server\u6703\u81ea\u52d5\u70ba\u9019\u4e9b\u884c\u751f\u6210\u4e00\u500b\u552f\u4e00\u7684\u6574\u6578\u503c\u3002\u9019\u500b\u503c\u662f\u6839\u64da\u6307\u5b9a\u7684\u8d77\u59cb\u503c\u548c\u589e\u91cf\u4f86\u751f\u6210\u7684\u3002\u81ea\u589e\u6a19\u8a8c\u5217\u7684\u5b9a\u7fa9\u901a\u5e38\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre><code>CREATE TABLE ExampleTable (\n    ID INT IDENTITY(1,1) PRIMARY KEY,\n    Name NVARCHAR(100)\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0cID\u5217\u662f\u81ea\u589e\u7684\uff0c\u5f9e1\u958b\u59cb\uff0c\u6bcf\u6b21\u63d2\u5165\u65b0\u884c\u6642\u81ea\u52d5\u589e\u52a01\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%b8%85%e9%9b%b6%e8%87%aa%e5%a2%9e%e6%a8%99%e8%aa%8c%e5%88%97-HtYSpubZkA\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u96f6\u81ea\u589e\u6a19\u8a8c\u5217<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u91cd\u7f6e\u81ea\u589e\u6a19\u8a8c\u5217\u7684\u503c\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u5728\u6e2c\u8a66\u74b0\u5883\u4e2d\uff0c\u60a8\u5e0c\u671b\u6e05\u9664\u6240\u6709\u6578\u64da\u4e26\u91cd\u65b0\u958b\u59cb\u3002<\/li>\n<li>\u5728\u751f\u7522\u74b0\u5883\u4e2d\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u522a\u9664\u6240\u6709\u8a18\u9304\u4e26\u91cd\u65b0\u63d2\u5165\u6578\u64da\u3002<\/li>\n<\/ul>\n<p>\u9019\u6a23\u505a\u7684\u539f\u56e0\u662f\u70ba\u4e86\u907f\u514d\u56e0\u70baID\u91cd\u8907\u800c\u5c0e\u81f4\u7684\u932f\u8aa4\uff0c\u7279\u5225\u662f\u5728ID\u5217\u88ab\u8a2d\u7f6e\u70ba\u4e3b\u9375\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n<h2 id=\"%e6%b8%85%e9%9b%b6%e8%87%aa%e5%a2%9e%e6%a8%99%e8%aa%8c%e5%88%97%e7%9a%84%e4%bb%a3%e7%a2%bc%e7%a4%ba%e4%be%8b-HtYSpubZkA\">\u6e05\u96f6\u81ea\u589e\u6a19\u8a8c\u5217\u7684\u4ee3\u78bc\u793a\u4f8b<\/h2>\n<p>\u8981\u6e05\u96f6\u81ea\u589e\u6a19\u8a8c\u5217\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>DBCC CHECKIDENT ('ExampleTable', RESEED, 0);<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u6703\u5c07ExampleTable\u8868\u7684\u81ea\u589e\u6a19\u8a8c\u5217\u7684\u7576\u524d\u503c\u91cd\u7f6e\u70ba0\u3002\u7576\u60a8\u4e0b\u6b21\u63d2\u5165\u6578\u64da\u6642\uff0cID\u5c07\u5f9e1\u958b\u59cb\u3002<\/p>\n<h3 id=\"%e5%ae%8c%e6%95%b4%e7%9a%84%e6%93%8d%e4%bd%9c%e6%ad%a5%e9%a9%9f-HtYSpubZkA\">\u5b8c\u6574\u7684\u64cd\u4f5c\u6b65\u9a5f<\/h3>\n<p>\u4ee5\u4e0b\u662f\u6e05\u96f6\u81ea\u589e\u6a19\u8a8c\u5217\u7684\u5b8c\u6574\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u9996\u5148\uff0c\u78ba\u4fdd\u60a8\u5df2\u7d93\u5099\u4efd\u4e86\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u4e1f\u5931\u3002<\/li>\n<li>\u4f7f\u7528DELETE\u8a9e\u53e5\u522a\u9664\u8868\u4e2d\u7684\u6240\u6709\u8a18\u9304\uff1a<\/li>\n<pre><code>DELETE FROM ExampleTable;<\/code><\/pre>\n<li>\u7136\u5f8c\uff0c\u4f7f\u7528DBCC CHECKIDENT\u547d\u4ee4\u91cd\u7f6e\u81ea\u589e\u6a19\u8a8c\u5217\uff1a<\/li>\n<pre><code>DBCC CHECKIDENT ('ExampleTable', RESEED, 0);<\/code><\/pre>\n<li>\u6700\u5f8c\uff0c\u60a8\u53ef\u4ee5\u958b\u59cb\u63d2\u5165\u65b0\u6578\u64da\uff0cID\u5c07\u5f9e1\u958b\u59cb\u3002<\/li>\n<\/ol>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-HtYSpubZkA\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u57f7\u884c\u9019\u4e9b\u64cd\u4f5c\u4e4b\u524d\uff0c\u8acb\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u6c92\u6709\u5176\u4ed6\u8868\u4f9d\u8cf4\u65bc\u6b64\u8868\u7684\u81ea\u589e\u6a19\u8a8c\u5217\uff0c\u5426\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u5916\u9375\u7d04\u675f\u932f\u8aa4\u3002<\/li>\n<li>\u5728\u751f\u7522\u74b0\u5883\u4e2d\u9032\u884c\u6b64\u64cd\u4f5c\u6642\uff0c\u8acb\u8b39\u614e\u884c\u4e8b\uff0c\u4e26\u78ba\u4fdd\u6240\u6709\u76f8\u95dc\u4eba\u54e1\u77e5\u60c5\u3002<\/li>\n<li>\u5728\u91cd\u7f6e\u81ea\u589e\u6a19\u8a8c\u5217\u5f8c\uff0c\u8acb\u6aa2\u67e5\u6578\u64da\u5b8c\u6574\u6027\uff0c\u4ee5\u78ba\u4fdd\u6c92\u6709\u6578\u64da\u4e1f\u5931\u6216\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-HtYSpubZkA\">\u7d50\u8ad6<\/h2>\n<p>\u6e05\u96f6SQL Server\u4e2d\u7684\u81ea\u589e\u6a19\u8a8c\u5217\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u4f46\u9700\u8981\u8b39\u614e\u64cd\u4f5c\u3002\u901a\u904e\u4f7f\u7528DBCC CHECKIDENT\u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u91cd\u7f6e\u81ea\u589e\u6a19\u8a8c\u5217\u7684\u503c\uff0c\u5f9e\u800c\u907f\u514dID\u91cd\u8907\u7684\u554f\u984c\u3002\u7121\u8ad6\u662f\u5728\u6e2c\u8a66\u9084\u662f\u751f\u7522\u74b0\u5883\u4e2d\uff0c\u4e86\u89e3\u5982\u4f55\u6b63\u78ba\u5730\u7ba1\u7406\u81ea\u589e\u6a19\u8a8c\u5217\u90fd\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\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\u3002\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u670d\u52d9\u80fd\u5920\u652f\u6301\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\uff0c\u4e26\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u5b89\u5168\u548c\u9ad8\u6548\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728SQL Server\u4e2d\u6e05\u96f6\u81ea\u589e\u6a19\u8a8c\u5217\uff0c\u4e26\u4f7f\u7528\u76f8\u61c9\u7684\u4ee3\u78bc\u9032\u884c\u64cd\u4f5c\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u7ba1\u7406\u7684\u9ad8\u6548\u6027\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-138309","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/138309","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=138309"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/138309\/revisions"}],"predecessor-version":[{"id":138310,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/138309\/revisions\/138310"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=138309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=138309"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=138309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}