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Re-create Transaction log file

By philcart,

This stored procedure detaches and re-attaches a database without specifying a filename for the transaction log. This causes SQL Server to create log file with default size of 512kb.

After playing around with SHRINKDATABASE, SHRINKFILE, forcing the virtual log to wrap around, etc... I found this was the quickest and most reliable method of reclaiming the lost disk space. It takes less than a minute.

The procedure only runs if the user is a sysadmin, the database is not in use, and a transaction log backup has been performed recently. The current file is renamed so if things go wrong you can re-attach using the original file. If all is ok, just delete the renamed file.

Questions and comments welcome.

Phill Carter

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