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DECLARE @newDate VARCHAR(50);
EXEC rand_time '2009-01-01','2009-12-30', @newDate Output
select @newDate
UPDATE myTable
SET CI_ModifyTime=(?)
WHERE CharIndex(rtrim(CI_ModifyTime),'2008-')>0
UPDATE myTable
SET CI_ModifyTime=dateadd(ss,abs(checksum(newid())%31449600), '2009-01-01 '+convert(varchar,getdate(),14) )
WHERE CharIndex(rtrim(CI_ModifyTime),'2008-')>0