Here's something I got from the Microsoft site -- Works pretty well(Sorry all the indenting goes out of it with this post. Get the original off the MS site if you want -- see note):
/*=========================================================================
Title: Shrink SQL Server Transaction Log
Script SQL_Server_Trx_Log_Shrink.sql
Purpose: INF: How to Shrink the SQL Server 7.0 Transaction Log
Create/Update History:
5/13/2004 10:47:40 AM - G Milner: Created;
Notes:
5/13/2004 10:47:40 AM - G Milner: Taken from MS site:
http://support.microsoft.com/default.aspx?scid=kb;EN-US;Q256650
Microsoft Knowledge Base Article - 256650 ;
=========================================================================*/
SET NOCOUNT ON
DECLARE @LogicalFileName sysname,
@MaxMinutes INT,
@NewSize INT
-- *** check out the database file names:
-- sp_helpdb MyDBName
-- *** MAKE SURE TO CHANGE THE NEXT 4 LINES WITH YOUR CRITERIA. ***
USE MyDBName -- This is the name of the database
-- for which the log will be shrunk.
SELECT @LogicalFileName = 'MyDBName_Log', -- Use sp_helpfile to
-- identify the logical file
-- name that you want to shrink.
@MaxMinutes = 2, -- Limit on time allowed to wrap log.
@NewSize = 50 -- in MB
-- Setup / initialize
DECLARE @OriginalSize int
SELECT @OriginalSize = size -- in 8K pages
FROM sysfiles
WHERE name = @LogicalFileName
SELECT 'Original Size of ' + db_name() + ' LOG is ' +
CONVERT(VARCHAR(30),@OriginalSize) + ' 8K pages or ' +
CONVERT(VARCHAR(30),(@OriginalSize*8/1024)) + 'MB'
FROM sysfiles
WHERE name = @LogicalFileName
CREATE TABLE DummyTrans
(DummyColumn char (8000) not null)
-- Wrap log and truncate it.
DECLARE @Counter INT,
@StartTime DATETIME,
@TruncLog VARCHAR(255)
SELECT @StartTime = GETDATE(),
@TruncLog = 'BACKUP LOG ['+ db_name() + '] WITH TRUNCATE_ONLY'
-- Try an initial shrink.
DBCC SHRINKFILE (@LogicalFileName, @NewSize)
EXEC (@TruncLog)
-- Wrap the log if necessary.
WHILE @MaxMinutes > DATEDIFF (mi, @StartTime, GETDATE()) -- time has not expired
AND @OriginalSize = (SELECT size FROM sysfiles WHERE name = @LogicalFileName) -- the log has not shrunk
AND (@OriginalSize * 8 /1024) > @NewSize -- The value passed in for new size is smaller than the current size.
BEGIN -- Outer loop.
SELECT @Counter = 0
WHILE ((@Counter < @OriginalSize / 16) AND (@Counter < 50000))
BEGIN -- update
INSERT DummyTrans VALUES ('Fill Log') -- Because it is a char field it inserts 8000 bytes.
DELETE DummyTrans
SELECT @Counter = @Counter + 1
END -- update
EXEC (@TruncLog) -- See if a trunc of the log shrinks it.
END -- outer loop
SELECT 'Final Size of ' + db_name() + ' LOG is ' +
CONVERT(VARCHAR(30),size) + ' 8K pages or ' +
CONVERT(VARCHAR(30),(size*8/1024)) + 'MB'
FROM sysfiles
WHERE name = @LogicalFileName
DROP TABLE DummyTrans
PRINT '*** Perform a full database backup ***'
SET NOCOUNT OFF
/* to shring the database file (optional) */
-- DBCC SHRINKFILE (MyDBName_Data,1000)
G. Milner