Check SQL Database size

SQL Query to calculate database size

Below is the query to check the disk space.

SELECT      sys.databases.name as DBName,
            CONVERT(VARCHAR,SUM(size)*8/1024)+' MB' AS [Disk Size]
FROM        sys.databases 
JOIN        sys.master_files
ON          sys.databases.database_id=sys.master_files.database_id
GROUP BY    sys.databases.name
ORDER BY    sys.databases.name

How to check log size and clear log

DBCC SQLPERF(logspace)

DBCC LOGINFO

Below is the query to shrink the log. The first parameter is the log name. you can get the name by pressing the right click on the database and click Properties and then select Files Tab. The second parameter is database size in MB

DBCC SHRINKFILE (ReportServer_log, 8);