SQL Server uses a buffer pool of memory to cache data pages, reducing I/O demand and improving overall performance. SQL Server buffer pool also called as buffer cache is a place in the SQL Server system memory that is used...

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Recently I had to configure Database mail in one of the production SQL Server estate to send Log shipping Alerts. Database email has been configured and it was successfully sending test emails through the SQL Server. However when I try...

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It’s important to install SQL Server service packs whenever they are available and keep database servers up-to-date. Service Packs contain important fixes and they are tested rigorously than incremental releases like cumulative updates, so they’re pretty important to install and...

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Today junior Application Developer asked me what are the causes of poor performance queries in SQL Server?  This is a very open ended question and there could be a lot if reasons behind the poor performance of a query....

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SQL Server provides a number of tools you can use to carry out performance monitoring and tuning. Each tool is useful in certain scenarios and you will often need to combine several of them to achieve the optimal results.  

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I thought that I would just share a little stored procedure that I've been using in my day job since becoming an accidental DBA! It's the WhoIsActive stored procedure by Adam Machanic. This stored procedure pulls together ALOT of information...

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You've just discovered that your indexes are fragmented, so you decid to do something about it. You know you need to do something to your indexes, but you're stuck wondering what the difference is between REBUILD and REORGANIZE.
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  SQL Server use role based security, which allows Database Administrators to assign particular permissions to users and groups. SQL server has a set of fixed roles at both the server and database levels and user-defined roles can also be created...

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