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SQL Server 2008
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SQL Server 2008 Administration
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Why NULL values in sys.indexes
Why NULL values in sys.indexes
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Shadab Shah
Shadab Shah
Posted Wednesday, January 16, 2013 1:20 AM
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Hi,
I queried the sys.indexes on a old DB. In the name column of this table i found NULL value.I am not able to understand how did the NULL value crept into this table or it is a normal behavior.
Post #1407662
anthony.green
anthony.green
Posted Wednesday, January 16, 2013 1:46 AM
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Null in the name means its a heap, as a heap doesnt have an index name, it shows as NULL
Do you get anything from the below query
SELECT * FROM sys.indexes WHERE name IS NULL and type <> 0
Want an answer fast? Try here
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Need a string splitter, try this - Jeff Moden
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CrossTabs-Part1
&
Part2 - Jeff Moden
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Managing Transaction Logs - Gail Shaw
Troubleshooting SQL Server: A Guide for the Accidental DBA - Jonathan Kehayias and Ted Krueger
Post #1407675
Shadab Shah
Shadab Shah
Posted Wednesday, January 16, 2013 2:07 AM
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Last Login: 2 days ago @ 9:07 PM
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anthony.green (1/16/2013)
Null in the name means its a heap, as a heap doesnt have an index name, it shows as NULL
Do you get anything from the below query
SELECT * FROM sys.indexes WHERE name IS NULL and type <> 0
No i did not get any data .
Post #1407682
anthony.green
anthony.green
Posted Wednesday, January 16, 2013 2:13 AM
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That would indicate that all your indexes have a name. The NULL values are for tables which do not have a clustered index and are heaps.
Want an answer fast? Try here
How to post data/code for the best help - Jeff Moden
Need a string splitter, try this - Jeff Moden
How to post performance problems - Gail Shaw
CrossTabs-Part1
&
Part2 - Jeff Moden
SQL Server Backup, Integrity Check, and Index and Statistics Maintenance - Ola Hallengren
Managing Transaction Logs - Gail Shaw
Troubleshooting SQL Server: A Guide for the Accidental DBA - Jonathan Kehayias and Ted Krueger
Post #1407685
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