Know all Database sizes in a server.

CREATE PROCEDURE Usp_FindAllDBSizes
AS
SET NOCOUNT ON
DECLARE @counter SMALLINT
DECLARE @counter1 SMALLINT
DECLARE @dbname VARCHAR(100)
DECLARE @size INT
DECLARE @size1 DECIMAL(15,2)
SET @size1=0.0

SELECT @counter=MAX(dbid) FROM master..sysdatabases
IF EXISTS(SELECT name FROM sysobjects WHERE name='sizeinfo')
DROP TABLE sizeinfo
CREATE TABLE sizeinfo(fileid SMALLINT, filesize DECIMAL(15,2), filename VARCHAR(1000))
WHILE @counter > 0
BEGIN
SELECT @dbname=name FROM master..sysdatabases WHERE dbid=@counter
TRUNCATE TABLE sizeinfo
EXEC ('INSERT INTO sizeinfo SELECT fileid,size,filename FROM '+ @dbname +'..SYSFILES')
SELECT @counter1=MAX(fileid) FROM sizeinfo
WHILE @counter1>0
BEGIN
SELECT @size=filesize FROM sizeinfo WHERE fileid=@counter1
SET @size1=@size1+@size
SET @counter1=@counter1-1
END
SET @counter=@counter-1
SELECT @dbname AS DBNAME,CAST(((@size1)*0.0078125) AS DECIMAL(15,2)) AS [DBSIZE(MB)]
SET @size1=0.0
END
SET NOCOUNT OFF