Using Alter database command ,you can rename the databaases
1) ALTER DATABASE OldDBName MODIFY NAME = NewDBName
Using Stored procedure query , you can rename the database
2) EXEC sp_renamedb 'oldDBName', 'newDBName'
3) Using GUI , Rghit Click on old database Name , you can see Rename Option ,then you can rename the database with newDBName.
1) ALTER DATABASE OldDBName MODIFY NAME = NewDBName
Using Stored procedure query , you can rename the database
2) EXEC sp_renamedb 'oldDBName', 'newDBName'
3) Using GUI , Rghit Click on old database Name , you can see Rename Option ,then you can rename the database with newDBName.