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Which tables belong to which filegroup in SQL Server 2008

Posted on 2013-12-31
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Last Modified: 2013-12-31
I use the following code to list tables and filegroups. This lists both user and system tables but I only want to list the user tables (which are prefixed 'T_').


select tablename = object_name(object_id),Data_located_on_filegroup = d.name  
from sys.data_spaces d
join sys.indexes i on d.data_space_id = i.data_space_id
where i.index_id < 2
ORDER by tablename DESC
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Question by:TimHudspith
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Habib Pourfard earned 500 total points
ID: 39748001
try the following:
SELECT  tablename = t.name ,
        Data_located_on_filegroup = d.name
FROM    sys.filegroups d
        JOIN sys.indexes i ON i.data_space_id = d.data_space_id
        JOIN sys.tables t ON t.object_id = i.object_id
WHERE   i.index_id < 2
        AND t.type = 'U'
        AND t.name LIKE 'T_%'
ORDER BY tablename DESC

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Author Comment

by:TimHudspith
ID: 39748055
That only returned one record, but in fact I have six tables, so I looked at the two tables that your code refers to. In sys.data_spaces I have 3 filegroups: primary (data_space_id = 1), filestream (2), secondary (3). However, with one exception, my user tables in sys.tables have a data_space_id value of 0, which of course doesn't represent any of the actual filegroups.

I'm new to SQL server and have done a bit of experimenting with filegroups and tables, also I didn't have SP3 installed when doing this. I remember getting some odd messages when trying to refresh/save objects so I expect it's connected to that.

What I'm aiming at ultimately is moving my user tables to the secondary filegroup.
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Author Comment

by:TimHudspith
ID: 39748087
Actually, disregard what I said. It works.
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