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Some people prefer count(1) over count(*) and using count(1) to optimize his statements, but actually they have not difference. Here is test code and 阅读全文
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下面是译文,你也可以看老外的文章:Stairway to SQL Server Security。 你需要保护你的server和数据,抵御当今复杂多变的攻击,在这些方面SQL Server都可以做到。但是在你使用这些安全有效的功能之前,你需要知道你面临的威胁和一些基本的安全概念。这篇文章是一些基础内 阅读全文
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源网址:https://www.sqlshack.com/deploying-packages-to-sql-server-integration-services-catalog-ssisdb/ Starting with SQL Server 2012, Integration Services 阅读全文