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Focal Point    Focal Point Forums  Hop To Forum Categories  WebFOCUS/FOCUS Forum on Focal Point     [CLOSED] conditional join

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[CLOSED] conditional join
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JohnB
Platinum Member
posted
In general, which would be faster, a conditional join, or a regular join with a WHERE statement in the TABLE request?

Thank you,

John

This message has been edited. Last edited by: Kerry,


WF 7.7.03, Windows 7, HTML, Excel, PDF
 
Posts: 225 | Location: San Francisco Bay Area, California | Registered: October 26, 2006Report This Post
linus
Platinum Member
posted Hide Post
A conditional join is faster because only records meeting the where criteria are joined, but with a regular join all records are joined and then the where criteria is considered to remove the records not meeting the where criteria. Look at page 15-32 -34 in Creating Reports (7.1.3) for a better understanding of conditional joins -- one thing is all fields used in the where statements must be in a single path.


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HP-UX - Reporting Server, Windows 2008 - Client, MSSQL 2008, FOCUS Databases, Flat Files
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Posts: 149 | Location: Dallas, TX | Registered: June 08, 2007Report This Post
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