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I don’t think thereis any difference,aslongas the SELECT1/*is inside EXISTS, which really doesn’t return any rows – it just returns boolean as soon as condition of the WHERE is checked. I’m quite sure that the SQL Server Query Optimizer is smart enough not to search for the unnee...
I don’t think thereisany difference,aslongasthe SELECT1/*is inside EXISTS, which really doesn’t return any rows – it just returns boolean as soon as condition of the WHERE is checked. I’m quite sure that the SQL Server Query Optimizer is smart enough not to search for the unneeded...
In this presentation we will cover the basics of data storage and querying with SQL Server. We will cover how data is stored in pages and extents and how that translates to data reads/writes with the storage system. Additionally, we will explore how different queries are processed by SQL Se...
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5.Sql Server Best Practices14:11 要求 I have designed the course for the people that want to learn how to manage a SQL Server 描述 Become a real expert on SQL server DBA by going through all these videos. I'm 100% sure. You really like these videos and documents. There are 5 Videos...
SQL Server DBA At the End of One Chapter and the Beginning of a New Chapter Posted onAugust 15, 2012 I have been told by hundreds of DBAs that I have the best DBA job in the world as Director of DBA Education forRed Gate Software. And this has been very true. In the five plus ...
在以 Windows 為基礎的安裝上,SQL Server Agent 不是選擇性的。備註 對於SQL Server 新手,SQL Server Agent 是 SQL Server 的內建作業排程器。 這是 DBA 用來排程備份之類事項和其他 SQL Server 維護的常見方式。 不同於以 Windows 為基礎的 SQL Server 安裝,其中 SQL Server Agent 是完全不同的服務,在 ...
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