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Question So the default location for databases on our server is c:\program files\microsoft sql server\mssql11.mssqlserver\mssql\DATA but due to space limitations we instead use d:\data I have now since corrected the default location to be d:\data However I am …
Continue readingQuestion The TRUSTWORTHY setting can be rather dangerous if you aren't careful and except for specific circumstances the recommendation is to keep it turned off. However by default the MSDB database has TRUSTWORHTY set ON by default. I'm curious why?
Continue readingQuestion I cannot restore a Microsoft SQL Server database due to lack of hard drive space. The original database was 1.6TB and approximately 1.4TB was deleted from it and a backup was taken without shrinking the database. The backup file is only 168GB and was …
Continue readingQuestion Consider the following: CREATE PROCEDURE dbo.usp_trantest AS SELECT @@TRANCOUNT as trancount; GO When I call usp_trantest manually from within SSMS, the trancount is 0. If I run an SSRS report that contains a dataset that queries the same stored …
Continue readingIf you’ve ever looked at sys.sysprocesses or sys.dm_exec_requests (or a number of other DMVs), you’ve noticed there is a column called “sql_handle” that contains some binary gobbledygook. Books Online gives the (un)helpful definition as “Hash map of the SQL …
Continue readingSQL Server supports two kinds of data compression on rowstore data. Columnstore compression is for a different day. You can compress heaps, clustered indexes (on both tables and views), and nonclustered indexes (on both tables and views). Compression …
Continue readingWhat's xp_sqlagent_enum_jobs? If you landed on this post, I'm guessing you know the answer to this, so I'll be quick. `xp_sqlagent_enum_jobs` is an undocumented (and thus, unsupported) extended procedure that gives information on whether a job is currently …
Continue readingSQL Server supports two kinds of data compression on rowstore data. Columnstore compression is for a different day. You can compress heaps, clustered indexes (on both tables and views), and nonclustered indexes (on both tables and views). Compression …
Continue readingI’m really excited to be speaking in Chicago this year. I’m going to be giving my “Shortcuts From an Impatient DBA” session. I love this presentation, and I’m excited to share it in Chicago. How’d you do that?!? This presentation is a series of keyboard …
Continue readingQuestion I recently inherited a SQL Cluster (2008R2) which for the most part behaves itself impeccably. The windows cluster is made up of two nodes running Active/Passive, Node1 and Node2 are dedicated blades in two different data centers. There are 3 SQL …
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