Sorry, just a question, maybe I should ask somewhere else. Is there any difference (like cost, efficiency, execution paths...) between this sql:
select b from a where b is not null and this sql: select b from a where not b is null Just curious. Thanks for your answer Bosco _________________________________________________________________ MSN Photos is the easiest way to share and print your photos: http://photos.msn.com/support/worldwide.aspx ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster
