{"id":58,"date":"2007-09-06T11:58:07","date_gmt":"2007-09-06T03:58:07","guid":{"rendered":"http:\/\/www.cnmiss.cn\/?p=57"},"modified":"2010-12-02T06:31:28","modified_gmt":"2010-12-02T06:31:28","slug":"%e5%9c%a8sql-server%e4%b8%ad%e5%bf%ab%e9%80%9f%e5%88%a0%e9%99%a4%e9%87%8d%e5%a4%8d%e8%ae%b0%e5%bd%95","status":"publish","type":"post","link":"https:\/\/www.cnmiss.cn\/?p=58","title":{"rendered":"\u5728SQL Server\u4e2d\u5feb\u901f\u5220\u9664\u91cd\u590d\u8bb0\u5f55"},"content":{"rendered":"<p><b>\u5f00\u53d1\u4eba\u5458\u7684\u5669\u68a6\u2014\u2014\u5220\u9664\u91cd\u590d\u8bb0\u5f55<\/b><\/p>\n<p>\u3000\u3000\u60f3\u5fc5\u6bcf\u4e00\u4f4d\u5f00\u53d1\u4eba\u5458\u90fd\u6709\u8fc7\u7c7b\u4f3c\u7684\u7ecf\u5386\uff0c\u5728\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u67e5\u8be2\u6216\u7edf\u8ba1\u7684\u65f6\u5019\u4e0d\u65f6\u5730\u4f1a\u78b0\u5230\u7531\u4e8e\u8868\u4e2d\u5b58\u5728\u91cd\u590d\u7684\u8bb0\u5f55\u800c\u5bfc\u81f4\u67e5\u8be2\u548c\u7edf\u8ba1\u7ed3\u679c\u4e0d\u51c6\u786e\u3002\u89e3\u51b3\u8be5\u95ee\u9898\u7684\u529e\u6cd5\u5c31\u662f\u5c06\u8fd9\u4e9b\u91cd\u590d\u7684\u8bb0\u5f55\u5220\u9664\uff0c\u53ea\u4fdd\u7559\u5176\u4e2d\u7684\u4e00\u6761\u3002<\/p>\n<p>\u3000\u3000\u5728SQL Server\u4e2d\u9664\u4e86\u5bf9\u62e5\u6709\u5341\u51e0\u6761\u8bb0\u5f55\u7684\u8868\u8fdb\u884c\u4eba\u5de5\u5220\u9664\u5916\uff0c\u5b9e\u73b0\u5220\u9664\u91cd\u590d\u8bb0\u5f55\u4e00\u822c\u90fd\u662f\u5199\u4e00\u6bb5\u4ee3\u7801\uff0c\u7528\u6e38\u6807\u7684\u65b9\u6cd5\u4e00\u884c\u4e00\u884c\u68c0\u67e5\uff0c\u5220\u9664\u91cd\u590d\u7684\u8bb0\u5f55\u3002\u56e0\u4e3a\u8fd9\u79cd\u65b9\u6cd5\u9700\u8981\u5bf9\u6574\u4e2a\u8868\u8fdb\u884c\u904d\u5386\uff0c\u6240\u4ee5\u5bf9\u4e8e\u8868\u4e2d\u7684\u8bb0\u5f55\u6570\u4e0d\u662f\u5f88\u5927\u7684\u65f6\u5019\u8fd8\u662f\u53ef\u884c\u7684\uff0c\u5982\u679c\u4e00\u5f20\u8868\u7684\u6570\u636e\u8fbe\u5230\u4e0a\u767e\u4e07\u6761\uff0c\u7528\u6e38\u6807\u7684\u65b9\u6cd5\u6765\u5220\u9664\u7b80\u76f4\u662f\u4e2a\u5669\u68a6\uff0c\u56e0\u4e3a\u5b83\u4f1a\u6267\u884c\u76f8\u5f53\u957f\u7684\u4e00\u6bb5\u65f6\u95f4\u3002 <\/p>\n<p>\u3000\u3000<b>\u56db\u677f\u65a7\u2014\u2014\u8f7b\u677e\u6d88\u9664\u91cd\u590d\u8bb0<\/b>\u5f55<\/p>\n<p>\u3000\u3000\u6b8a\u4e0d\u77e5\u5728SQL Server\u4e2d\u6709\u4e00\u79cd\u66f4\u4e3a\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u5b83\u4e0d\u9700\u8981\u7528\u6e38\u6807\uff0c\u53ea\u8981\u5199\u4e00\u53e5\u7b80\u5355\u63d2\u5165\u8bed\u53e5\u5c31\u80fd\u5b9e\u73b0\u5220\u9664\u91cd\u590d\u8bb0\u5f55\u7684\u529f\u80fd\u3002\u4e3a\u4e86\u80fd\u6e05\u695a\u5730\u8868\u8ff0\uff0c\u6211\u4eec\u9996\u5148\u5047\u8bbe\u5b58\u5728\u4e00\u4e2a\u4ea7\u54c1\u4fe1\u606f\u8868Products\uff0c\u5176\u8868\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n<blockquote><p>CREATE TABLE Products (<br \/>ProductID int,<br \/>ProductName nvarchar (40),<br \/>Unit char(2),<br \/>UnitPrice money<br \/>) <\/p><\/blockquote>\n<p>\u3000\u3000\u8868\u4e2d\u7684\u6570\u636e\u5982\u56fe1\uff1a<br \/><a href=\"uploads\/200709\/06_120048_u74dt20041022101036.jpg\" data-lightbox=\"image_lg\" target=\"_blank\"><img title=\"\u5728SQL Server\u4e2d\u5feb\u901f\u5220\u9664\u91cd\u590d\u8bb0\u5f55 - \u7b2c1\u5f20  | \u6211\u7684\u535a\u5ba2 - \u6280\u672f\u5206\u4eab\" alt=\"\u5728SQL Server\u4e2d\u5feb\u901f\u5220\u9664\u91cd\u590d\u8bb0\u5f55 - \u7b2c1\u5f20  | \u6211\u7684\u535a\u5ba2 - \u6280\u672f\u5206\u4eab\"   data-src=\"uploads\/200709\/06_120048_u74dt20041022101036.jpg\" \/><\/a><\/p>\n<p>\u56fe\u8868 <\/p>\n<p>\u3000\u3000\u56fe1\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u4ea7\u54c1Chang\u548cTofu\u7684\u8bb0\u5f55\u5728\u4ea7\u54c1\u4fe1\u606f\u8868\u4e2d\u5b58\u5728\u91cd\u590d\u3002\u73b0\u5728\u8981\u5220\u9664\u8fd9\u4e9b\u91cd\u590d\u7684\u8bb0\u5f55\uff0c\u53ea\u4fdd\u7559\u5176\u4e2d\u7684\u4e00\u6761\u3002\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<p>\u3000\u3000\u7b2c\u4e00\u677f\u65a7\u2014\u2014\u5efa\u7acb\u4e00\u5f20\u5177\u6709\u76f8\u540c\u7ed3\u6784\u7684\u4e34\u65f6\u8868<\/p>\n<blockquote><p>CREATE TABLE Products_temp (<br \/>ProductID int,<br \/>ProductName nvarchar (40),<br \/>Unit char(2),<br \/>UnitPrice money<br \/>) <\/p><\/blockquote>\n<p>\u3000\u3000\u7b2c\u4e8c\u677f\u65a7\u2014\u2014\u4e3a\u8be5\u8868\u52a0\u4e0a\u7d22\u5f15\uff0c\u5e76\u4f7f\u5176\u5ffd\u7565\u91cd\u590d\u7684\u503c<\/p>\n<p>\u3000\u3000\u65b9\u6cd5\u662f\u5728\u4f01\u4e1a\u7ba1\u7406\u5668\u4e2d\u627e\u5230\u4e0a\u9762\u5efa\u7acb\u7684\u4e34\u65f6\u8868Products _temp\uff0c\u5355\u51fb\u9f20\u6807\u53f3\u952e\uff0c\u9009\u62e9\u6240\u6709\u4efb\u52a1\uff0c\u9009\u62e9\u7ba1\u7406\u7d22\u5f15\uff0c\u9009\u62e9\u65b0\u5efa\u3002\u5982\u56fe2\u6240\u793a\u3002<\/p>\n<p>\u3000\u3000\u6309\u7167\u56fe2\u4e2d\u5708\u51fa\u6765\u7684\u5730\u65b9\u8bbe\u7f6e\u7d22\u5f15\u9009\u9879\u3002<br \/><a href=\"uploads\/200709\/06_120151_u74dt20041022101036.jpg\" data-lightbox=\"image_lg\" target=\"_blank\"><img title=\"\u5728SQL Server\u4e2d\u5feb\u901f\u5220\u9664\u91cd\u590d\u8bb0\u5f55 - \u7b2c2\u5f20  | \u6211\u7684\u535a\u5ba2 - \u6280\u672f\u5206\u4eab\" alt=\"\u5728SQL Server\u4e2d\u5feb\u901f\u5220\u9664\u91cd\u590d\u8bb0\u5f55 - \u7b2c2\u5f20  | \u6211\u7684\u535a\u5ba2 - \u6280\u672f\u5206\u4eab\"   data-src=\"uploads\/200709\/06_120151_u74dt20041022101036.jpg\" \/><\/a><\/p>\n<p>\u56fe2 <\/p>\n<p>\u3000\u3000\u7b2c\u4e09\u677f\u65a7\u2014\u2014\u62f7\u8d1d\u4ea7\u54c1\u4fe1\u606f\u5230\u4e34\u65f6\u8868<\/p>\n<blockquote><p>insert into Products_temp Select * from Products <\/p><\/blockquote>\n<p>\u3000\u3000\u6b64\u65f6SQL Server\u4f1a\u8fd4\u56de\u5982\u4e0b\u63d0\u793a\uff1a<\/p>\n<p>\u3000\u3000\u670d\u52a1\u5668: \u6d88\u606f 3604\uff0c\u7ea7\u522b 16\uff0c\u72b6\u6001 1\uff0c\u884c 1<\/p>\n<p>\u3000\u3000\u5df2\u5ffd\u7565\u91cd\u590d\u7684\u952e\u3002<\/p>\n<p>\u3000\u3000\u5b83\u8868\u660e\u5728\u4ea7\u54c1\u4fe1\u606f\u4e34\u65f6\u8868Products_temp\u4e2d\u4e0d\u4f1a\u6709\u91cd\u590d\u7684\u884c\u51fa\u73b0\u3002<\/p>\n<p>\u3000\u3000\u7b2c\u56db\u677f\u65a7\u2014\u2014\u5c06\u65b0\u7684\u6570\u636e\u5bfc\u5165\u539f\u8868<\/p>\n<p>\u3000\u3000\u5c06\u539f\u4ea7\u54c1\u4fe1\u606f\u8868Products\u6e05\u7a7a\uff0c\u5e76\u5c06\u4e34\u65f6\u8868Products_temp\u4e2d\u6570\u636e\u5bfc\u5165\uff0c\u6700\u540e\u5220\u9664\u4e34\u65f6\u8868Products_temp\u3002<\/p>\n<blockquote><p>delete Products<br \/>insert into Products select * from Products_temp<br \/>drop table Products_temp <\/p><\/blockquote>\n<p>\u3000\u3000\u8fd9\u6837\u5c31\u5b8c\u6210\u4e86\u5bf9\u8868\u4e2d\u91cd\u590d\u8bb0\u5f55\u7684\u5220\u9664\u3002\u65e0\u8bba\u8868\u6709\u591a\u5927\uff0c\u5b83\u7684\u6267\u884c\u901f\u5ea6\u90fd\u662f\u76f8\u5f53\u5feb\u7684\uff0c\u800c\u4e14\u56e0\u4e3a\u51e0\u4e4e\u4e0d\u7528\u5199\u8bed\u53e5\uff0c\u6240\u4ee5\u5b83\u4e5f\u662f\u5f88\u5b89\u5168\u7684\u3002<\/p>\n<p>\u3000\u3000\u5c0f\u63d0\u793a\uff1a\u4e0a\u8ff0\u65b9\u6cd5\u4e2d\u5220\u9664\u91cd\u590d\u8bb0\u5f55\u53d6\u51b3\u4e8e\u521b\u5efa\u552f\u4e00\u7d22\u5f15\u65f6\u9009\u62e9\u7684\u5b57\u6bb5\uff0c\u5728\u5b9e\u9645\u7684\u64cd\u4f5c\u8fc7\u7a0b\u4e2d\u8bfb\u8005\u52a1\u5fc5\u9996\u5148\u786e\u8ba4\u521b\u5efa\u7684\u552f\u4e00\u7d22\u5f15\u5b57\u6bb5\u662f\u5426\u6b63\u786e\uff0c\u4ee5\u514d\u5c06\u6709\u7528\u7684\u6570\u636e\u5220\u9664\uff0c\u53e6\u5916\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u7528distinct \u5173\u952e\u5b57\u641c\u7d22\u51fa\u4e0d\u91cd\u590d\u7684\u8bb0\u5f55\u5230\u4e34\u65f6\u8868\uff0c\u518d\u628a\u4e34\u65f6\u8868\u7684\u4e1c\u897f\u62f7\u56de\u539f\u8868\uff0c\u7136\u540e\u5220\u9664\u4e34\u65f6\u8868\u3002<br \/>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f00\u53d1\u4eba\u5458\u7684\u5669\u68a6\u2014\u2014\u5220\u9664\u91cd\u590d\u8bb0\u5f55 \u3000\u3000\u60f3\u5fc5\u6bcf\u4e00\u4f4d\u5f00\u53d1\u4eba\u5458\u90fd\u6709\u8fc7\u7c7b\u4f3c\u7684\u7ecf\u5386\uff0c\u5728\u5bf9\u6570\u636e &hellip; <a href=\"https:\/\/www.cnmiss.cn\/?p=58\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[23],"class_list":["post-58","post","type-post","status-publish","format-standard","hentry","category-xxbj","tag-mssql"],"_links":{"self":[{"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=\/wp\/v2\/posts\/58","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=58"}],"version-history":[{"count":0,"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=\/wp\/v2\/posts\/58\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=58"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=58"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cnmiss.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=58"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}