I started out working with Microsoft Access and SQL Server back in 2000 as the only employee doing IT full-time, and worked most of my career where “big fish in a little pond” was an overstatement. Learning is scarce when you do everything and don’t work with anyone who knows more than you. In 2010 I was plunged into the Ocean and grabbed onto anything I could find to stay afloat. I wasn’t going to simply run scripts I didn’t understand, so I learned the DMVs and system tables in the scripts I found and rewrote them all. Now, I know enough where I can start giving back to a community that saved me from drowning.

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Query Stats

DBAs rarely use the full potential of sys.dm_exec_query_stats.  It’s common to see the queries for looking at the most expensive...

2013-09-04 (first published: )

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Question of the Day

Locking Hierarchies

You have a table [dbo].[orders] without a Clustered Index (Heap). The table does not have any other nonclustered indexes! You rund the following command in Read Committed Isolation Level: 

SELECTo_orderdate,
        o_orderkey,
        o_custkey,
        o_storekey
FROMdbo.orders
WHEREo_orderkey = 3877;

What locking hierarchy will Microsoft SQL Server use?

 

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