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Focal Point    Focal Point Forums  Hop To Forum Categories  WebFOCUS/FOCUS Forum on Focal Point     [SOLVED] Question on keys required or not?

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[SOLVED] Question on keys required or not?
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Latigresa
Platinum Member
posted
I have a DB2 table that has no keys. Everytime I try to use this table my developer slows down drastically. Is this due to the no key? I don't want to save it as a focus table in order to create a key because this is a huge table.

Thank you.

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


WEBFOCUS 7.6.4
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Posts: 121 | Registered: September 20, 2007Report This Post
Darin Lee
Virtuoso
posted Hide Post
If it's a huge table, why doesn't it have any keys? Not a very good database design, IMO.
That's basically going to cause a table scan for EVERY request against that table. No wonder things slow down.


Regards,

Darin


In FOCUS since 1991
WF Server: 7.7.04 on Linux and Z/OS, ReportCaster, Self-Service, MRE, Java, Flex
Data: DB2/UDB, Adabas, SQL Server Output: HTML,PDF,EXL2K/07, PS, AHTML, Flex
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Posts: 2298 | Location: Salt Lake City, Utah | Registered: February 02, 2007Report This Post
GamP
Virtuoso
posted Hide Post
And it not only depends on the size of the table but also on what you are doing with this table when you notice that devstudio is slowing down. In terms of DB2 it may very well be that the no-key strategy is a correct option for loading data, but when it comes to reporting off of it ...... you still do not need keys, but you'd better have some indexes in place.


GamP
- Using AS 8.2.01 on Windows 10 - IE11.
in Focus since 1988
 
Posts: 1961 | Location: Netherlands | Registered: September 25, 2007Report This Post
Latigresa
Platinum Member
posted Hide Post
It slows down to a halt when I just open the HTML Painter and then gives an error massage. Then it will allow me to work again for a little while.


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Posts: 121 | Registered: September 20, 2007Report This Post
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