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a1和a2在a表中具有唯一性 b1和b2在b表中具有唯一性 现在需要连接c表和d表 需要分两步来做 1.先让c表join表a和表b select c.*,a.a2,b.b2 from c inner join a on c.a1=a.a1 inner join b on c.b1=b.b1 将这个的 阅读全文
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Warning: Unable to update auto-refresh reference Hi all, I finally tracked down the final answer for my problem and will post here for any who experie 阅读全文
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1.clone the git repository for datbase 2.open sql source control window and select the target database 3.in setup tab, link to my source control syste 阅读全文
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https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/is 原来的版本 优化后的版本 涉及到的新知识点 Type pattern When using the type pattern to perfor 阅读全文
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https://blogs.msdn.microsoft.com/wenlong/2006/01/11/how-to-initialize-hosted-wcf-services/ Using AppInitialize The above global.asax does not work for 阅读全文