Remove all freespace from all databases and truncate all transaction logs | Database Journal

Remove all freespace from all databases and truncate all transaction logs

May 19, 2003
1 minute read

>>Script Language and Platform: Microsoft SQL Server
For each user database,this script will remove all the freespace and truncate the transaction log.

Instructions: Run against master, the script will use the system catalog to produce a list of databases
If you want to exclude a database add the excluded db name to the ‘not in’ list below.

Author: Cameron Michelis

/* 
Function: For each user database remove all the freespace and truncate the transaction log.  
Instructions: Run against master, the script will use the system catalog to produce a list of databases.
If you want to excluce a database add the excluded db name to the ‘not in’ list below.
cjm@integer.org
http://www.integer.org
Copyright (C) 2003 Cameron Michelis copying and redistribution of this file is permitted
provided this notice and the above comments are preserved.
*/
Set quoted_identifier off
use master
go
DECLARE @dataname varchar(30)
DECLARE @dataname_header varchar(75)
DECLARE datanames_cursor CURSOR FOR SELECT name FROM sysdatabases
        WHERE name not in (‘master’, ‘pubs’, ‘tempdb’, ‘model’, ‘northwind’)
OPEN datanames_cursor
  FETCH NEXT FROM datanames_cursor INTO @dataname
  WHILE (@@fetch_status <> -1)
    BEGIN
      IF (@@fetch_status = -2)
        BEGIN
		FETCH NEXT FROM datanames_cursor INTO @dataname
          	CONTINUE
        END
	SELECT @dataname_header = “Database ” + RTRIM(UPPER(@dataname))
      	PRINT ” ”
	PRINT @dataname_header
	EXEC(“BACKUP LOG ” + @dataname +WITH TRUNCATE_ONLY”)
	EXEC(“DBCC SHRINKDATABASE (” + @dataname + “,TRUNCATEONLY)”)
      	FETCH NEXT FROM datanames_cursor INTO @dataname
      END
DEALLOCATE datanames_cursor
PRINT “”
PRINT ” ”
PRINT “Free space removed and transaction log truncated for each user database”



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