How to reduce the mdf file size in SQL server 2012 ?

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SQL-Server-2012

i can reduce .ldf file size with help of given query but i can't reduce size in .mdf file

ALTER DATABASE [testdb] SET RECOVERY SIMPLE WITH NO_WAIT
DBCC SHRINKFILE(testdb_log, 100)
ALTER DATABASE [testdb] SET RECOVERY FULL WITH NO_WAIT
GO

What I have tried:

i just truncate some unwanted tables

Posted 17-Aug-16 2:51am

Member 11537343

Updated 17-Aug-16 3:16am

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Kornfeld Eliyahu Peter · Accepted Answer · 2016-08-17T03:09:00

First of all - do NOT shrink a database (or its files) without good reason...SQL will perform better if you let it allocate the files in the way finds it best...
If despite this you have to shrink, than do not shrink a database in use. Shrink is a very IO expensive operation and doing it while other users are logged in will disturb their work.

SQL

DBCC SHRINKDATABASE (db_name-to-shrink)

OriginalGriff · Accepted Answer · 2016-08-17T03:16:00

Solution 2

You could try DBCC SHRINKDATABASE[^] but it won't stay shrunk for long once updates start happening...if you get any significant size reduction at all. Remember that the MDF file stores your data - and if there is a lot of data, you can't free up much space.

Posted 17-Aug-16 3:16am

OriginalGriff