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When should I use correlated subqueries? (merged) [message #412888] Mon, 13 July 2009 04:52 Go to next message
sarah_086
Messages: 1
Registered: July 2009
Junior Member
Hi,
I'm new to pl/sql.. I'd like to know what is the use of correlated subqueries..I know the syntax but I dont know when should I use them..Is it used when retrieving data from two tables??

regards,
Re: When should I use correlated subqueries? (merged) [message #412892 is a reply to message #412888] Mon, 13 July 2009 05:12 Go to previous message
Michel Cadot
Messages: 64152
Registered: March 2007
Location: Nanterre, France, http://...
Senior Member
Account Moderator
SQL Reference
Chapter 9 SQL Queries and Subqueries

Regards
Michel
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