My query runs faster the second time around, how do i stop that?

Question

i am running a query in oracle 10 select A from B where C = D B has millions of records and there is no index on C

The first time i run it it takes about 30

Answer 1

It might help you

http://www.mssqltips.com/tip.asp?tip=1360

CHECKPOINT;
GO DBCC DROPCLEANBUFFERS;
GO