Home Forums Article Discussions Article Discussions by Author Discuss content posted by Brian Ellul Sub query expressions vs. Joins. RE: Sub query expressions vs. Joins.
tim.napier
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July 21, 2010 at 11:15 pm
#1196629
What happens if you use a left join in the second of the two queries. The fact they both returned 40000 rows is by coincidence, cos the sub select would returns if their isn't an equi joiin