{"id":182468,"date":"2024-11-09T22:42:19","date_gmt":"2024-11-09T14:42:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/182468\/"},"modified":"2024-11-09T22:42:20","modified_gmt":"2024-11-09T14:42:20","slug":"%e7%94%9f%e6%88%90mssql%e9%9a%a8%e6%a9%9f%e6%95%b8%e7%9a%84%e4%bd%8d%e6%95%b8%e6%8a%80%e5%b7%a7%ef%bc%88mssql%e9%9a%a8%e6%a9%9f%e6%95%b8%e4%bd%8d%e6%95%b8%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/182468\/","title":{"rendered":"\u751f\u6210mssql\u96a8\u6a5f\u6578\u7684\u4f4d\u6578\u6280\u5de7\uff08mssql\u96a8\u6a5f\u6578\u4f4d\u6578\uff09"},"content":{"rendered":"<h1 id=\"%e7%94%9f%e6%88%90mssql%e9%9a%a8%e6%a9%9f%e6%95%b8%e7%9a%84%e4%bd%8d%e6%95%b8%e6%8a%80%e5%b7%a7%ef%bc%88mssql%e9%9a%a8%e6%a9%9f%e6%95%b8%e4%bd%8d%e6%95%b8%ef%bc%89-hrKrblYmzj\">\u751f\u6210MSSQL\u96a8\u6a5f\u6578\u7684\u4f4d\u6578\u6280\u5de7\uff08MSSQL\u96a8\u6a5f\u6578\u4f4d\u6578\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u96a8\u6a5f\u6578\u7684\u751f\u6210\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u96a8\u6a5f\u5316\u6578\u64da\u6216\u751f\u6210\u552f\u4e00\u8b58\u5225\u78bc\u7684\u60c5\u6cc1\u4e0b\u3002Microsoft SQL Server\uff08MSSQL\uff09\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u751f\u6210\u96a8\u6a5f\u6578\uff0c\u4f46\u5982\u4f55\u63a7\u5236\u751f\u6210\u96a8\u6a5f\u6578\u7684\u4f4d\u6578\u537b\u662f\u8a31\u591a\u958b\u767c\u8005\u9762\u81e8\u7684\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728MSSQL\u4e2d\u751f\u6210\u96a8\u6a5f\u6578\u7684\u6280\u5de7\uff0c\u7279\u5225\u662f\u5982\u4f55\u63a7\u5236\u96a8\u6a5f\u6578\u7684\u4f4d\u6578\u3002<\/p>\n<h2 id=\"mssql%e4%b8%ad%e7%9a%84%e9%9a%a8%e6%a9%9f%e6%95%b8%e7%94%9f%e6%88%90-hrKrblYmzj\">MSSQL\u4e2d\u7684\u96a8\u6a5f\u6578\u751f\u6210<\/h2>\n<p>MSSQL\u63d0\u4f9b\u4e86\u5167\u5efa\u7684\u51fd\u6578\u4f86\u751f\u6210\u96a8\u6a5f\u6578\uff0c\u6700\u5e38\u7528\u7684\u51fd\u6578\u662f <code>NEWID()<\/code> \u548c <code>RAND()<\/code>\u3002\u9019\u5169\u500b\u51fd\u6578\u5404\u6709\u5176\u7279\u9ede\uff1a<\/p>\n<ul>\n<li><code>NEWID()<\/code>\uff1a\u6b64\u51fd\u6578\u751f\u6210\u4e00\u500b\u5168\u5c40\u552f\u4e00\u6a19\u8b58\u7b26\uff08GUID\uff09\uff0c\u901a\u5e38\u7528\u65bc\u751f\u6210\u552f\u4e00\u7684\u8b58\u5225\u78bc\u3002\u96d6\u7136\u5b83\u4e0d\u662f\u4e00\u500b\u7d14\u7cb9\u7684\u96a8\u6a5f\u6578\uff0c\u4f46\u53ef\u4ee5\u7528\u65bc\u9700\u8981\u552f\u4e00\u6027\u7684\u5834\u666f\u3002<\/li>\n<li><code>RAND()<\/code>\uff1a\u6b64\u51fd\u6578\u751f\u6210\u4e00\u500b\u4ecb\u65bc0\u548c1\u4e4b\u9593\u7684\u96a8\u6a5f\u6d6e\u9ede\u6578\u3002\u53ef\u4ee5\u901a\u904e\u4e58\u4ee5\u4e00\u500b\u6578\u5b57\u4f86\u64f4\u5c55\u5176\u7bc4\u570d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%8e%a7%e5%88%b6%e9%9a%a8%e6%a9%9f%e6%95%b8%e7%9a%84%e4%bd%8d%e6%95%b8-hrKrblYmzj\">\u63a7\u5236\u96a8\u6a5f\u6578\u7684\u4f4d\u6578<\/h2>\n<p>\u5728\u751f\u6210\u96a8\u6a5f\u6578\u6642\uff0c\u63a7\u5236\u5176\u4f4d\u6578\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\u4f86\u751f\u6210\u7279\u5b9a\u4f4d\u6578\u7684\u96a8\u6a5f\u6578\uff1a<\/p>\n<h3>\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528 <code>RAND()<\/code> \u51fd\u6578<\/h3>\n<p>\u5982\u679c\u9700\u8981\u751f\u6210\u4e00\u500b\u7279\u5b9a\u7bc4\u570d\u5167\u7684\u96a8\u6a5f\u6574\u6578\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>RAND()<\/code> \u51fd\u6578\u4e26\u9032\u884c\u6578\u5b78\u904b\u7b97\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u751f\u6210\u4e00\u500b\u4ecb\u65bc1000\u52309999\u4e4b\u9593\u7684\u56db\u4f4d\u6578\u96a8\u6a5f\u6578\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT CAST((RAND() * 9000 + 1000) AS INT) AS RandomNumber;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u7684\u904b\u4f5c\u539f\u7406\u662f\uff1a\u9996\u5148\u751f\u6210\u4e00\u500b\u4ecb\u65bc0\u52301\u4e4b\u9593\u7684\u96a8\u6a5f\u6578\uff0c\u7136\u5f8c\u5c07\u5176\u4e58\u4ee59000\uff0c\u6700\u5f8c\u52a0\u4e0a1000\uff0c\u9019\u6a23\u5c31\u80fd\u78ba\u4fdd\u751f\u6210\u7684\u6578\u5b57\u57281000\u52309999\u4e4b\u9593\u3002<\/p>\n<h3>\u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528 <code>NEWID()<\/code> \u51fd\u6578<\/h3>\n<p>\u5982\u679c\u9700\u8981\u751f\u6210\u4e00\u500b\u96a8\u6a5f\u7684GUID\u4e26\u5f9e\u4e2d\u63d0\u53d6\u7279\u5b9a\u7684\u4f4d\u6578\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>NEWID()<\/code> \u51fd\u6578\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5f9eGUID\u4e2d\u63d0\u53d6\u56db\u4f4d\u6578\uff1a<\/p>\n<pre><code>SELECT SUBSTRING(CONVERT(VARCHAR(36), NEWID()), 1, 4) AS RandomNumber;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u751f\u6210\u4e00\u500bGUID\uff0c\u7136\u5f8c\u5c07\u5176\u8f49\u63db\u70ba\u5b57\u4e32\uff0c\u4e26\u63d0\u53d6\u524d\u56db\u500b\u5b57\u7b26\u4f5c\u70ba\u96a8\u6a5f\u6578\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u9019\u6a23\u751f\u6210\u7684\u96a8\u6a5f\u6578\u53ef\u80fd\u5305\u542b\u5b57\u6bcd\u548c\u6578\u5b57\u3002<\/p>\n<h3 id=\"%e6%96%b9%e6%b3%95%e4%b8%89%ef%bc%9a%e7%94%9f%e6%88%90%e9%9a%a8%e6%a9%9f%e5%ad%97%e4%b8%b2-hrKrblYmzj\">\u65b9\u6cd5\u4e09\uff1a\u751f\u6210\u96a8\u6a5f\u5b57\u4e32<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u751f\u6210\u4e00\u500b\u5305\u542b\u5b57\u6bcd\u548c\u6578\u5b57\u7684\u96a8\u6a5f\u5b57\u4e32\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u4f86\u751f\u6210\u4e00\u500b\u6307\u5b9a\u9577\u5ea6\u7684\u96a8\u6a5f\u5b57\u4e32\uff1a<\/p>\n<pre><code>DECLARE @Length INT = 8;\nDECLARE @RandomString VARCHAR(8) = '';\nWHILE LEN(@RandomString) &lt; @Length\nBEGIN\n    SET @RandomString = @RandomString + CHAR(ABS(CHECKSUM(NEWID())) % 26 + 65);\nEND\nSELECT @RandomString AS RandomString;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u4f7f\u7528 <code>NEWID()<\/code> \u751f\u6210\u96a8\u6a5f\u6578\uff0c\u4e26\u901a\u904e\u5b57\u7b26\u7684ASCII\u78bc\u4f86\u751f\u6210\u96a8\u6a5f\u5b57\u6bcd\uff0c\u6700\u7d42\u5f62\u6210\u4e00\u500b\u6307\u5b9a\u9577\u5ea6\u7684\u96a8\u6a5f\u5b57\u4e32\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-hrKrblYmzj\">\u7e3d\u7d50<\/h2>\n<p>\u5728MSSQL\u4e2d\u751f\u6210\u96a8\u6a5f\u6578\u7684\u4f4d\u6578\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\uff0c\u7121\u8ad6\u662f\u4f7f\u7528 <code>RAND()<\/code> \u9084\u662f <code>NEWID()<\/code> \u51fd\u6578\uff0c\u958b\u767c\u8005\u90fd\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u5f0f\u3002\u9019\u4e9b\u6280\u5de7\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u7684\u96a8\u6a5f\u6027\uff0c\u9084\u80fd\u5728\u9700\u8981\u552f\u4e00\u8b58\u5225\u78bc\u7684\u60c5\u6cc1\u4e0b\u63d0\u4f9b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\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\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u751f\u6210MSSQL\u96a8\u6a5f\u6578\u7684\u4f4d\u6578\u6280\u5de7\uff0c\u5b78\u7fd2\u5982\u4f55\u63a7\u5236\u96a8\u6a5f\u6578\u7684\u9577\u5ea6\u4ee5\u6eff\u8db3\u7279\u5b9a\u9700\u6c42\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-182468","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182468","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=182468"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182468\/revisions"}],"predecessor-version":[{"id":182469,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182468\/revisions\/182469"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=182468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=182468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=182468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}