why don't do your best

-- Declare variables

DECLARE @SqlStatement as nvarchar(max)

DECLARE @LogFileLogicalName as sysname

-- Alter the database to simple recovery

SET @SqlStatement = 'ALTER DATABASE ' + DB_NAME() + ' SET RECOVERY SIMPLE'

EXEC ( @SqlStatement )

-- Make sure it has been altered

SELECT [name], [recovery_model_desc] FROM sys.databases WHERE [name] = DB_NAME()

-- Set the log file name variable

SELECT @LogFileLogicalName = [Name] FROM sys.database_files WHERE type = 1

-- Shrink the logfile

DBCC Shrinkfile(@LogFileLogicalName, 1)

-- Alter the database back to FULL

SET @SqlStatement = 'ALTER DATABASE ' + DB_NAME() + ' SET RECOVERY FULL'

EXEC ( @SqlStatement )

-- Make sure it has been changed back to full

SET @SqlStatement = 'SELECT [name], [recovery_model_desc] FROM ' + DB_NAME() + '.sys.databases WHERE [name] = ''' + DB_NAME() + ''''

EXEC ( @SqlStatement )

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