Should your log files grow too large you may truncate/shrink them in SQL Server 2012 as follows:

— this method
USE SharePoint_Config_A003;
GO
SELECT file_id, name
FROM sys.database_files;
GO
DBCC SHRINKFILE (2, TRUNCATEONLY);

— or this method
DBCC SHRINKFILE (SharePoint_Config_A003_log, 1)

 

 

-Dan