The paragraph will give better performance?

I was always wonder from a performance perspective if it was preferable to use a less than clause WITH a slider or if it was better to use a sub query? So, if I could either put my sub query in the FROM clause of my cursor (for example what would be the case) or use a WITH clause that would give better performance? (I'm using Oracle 11 g)

Check out this link.

http://jonathanlewis.WordPress.com/2010/09/13/subquery-factoring-4/

Concerning

REDA

Tags: Database

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