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Thread: Circular joins

Michael Litman
Posts: 94

Circular joins Your last visit to this thread was on 1/1/1970 12:00:00 AM

Posted: 29 Oct 06 7:52 PM

I was once sent a t-sql script that checked for circular joins in the database does anyone have or know of this script. Thanks ML

[Reply][Quote]

Ryan Farley
Posts: 2265

Re: Circular joins Your last visit to this thread was on 1/1/1970 12:00:00 AM

Posted: 29 Oct 06 9:12 PM

Here you go:

select j1.fromtable fromtable1, j1.fromfield fromfield1, 
       j1.totable totable1, j1.tofield tofield1
FROM sysdba.joindata j1, sysdba.joindata j2
WHERE j1.fromtable = j2.totable
AND j1.totable = j2.fromtable
AND j1.fromfield = j2.tofield
AND j1.tofield = j2.fromfield

[Reply][Quote]

Michael Litman
Posts: 94

Re: Circular joins Your last visit to this thread was on 1/1/1970 12:00:00 AM

Posted: 29 Oct 06 9:26 PM

thank you kindly ML

[Reply][Quote]

Jeremy Brayton
Posts: 491

Re: Circular joins Your last visit to this thread was on 1/1/1970 12:00:00 AM

Posted: 30 Oct 06 5:11 PM

I believe 6.2's Integrity Checker includes this as one of the Other tests. You only need to keep the t-sql handy if you're on an earlier version or like checking it outside of the Administrator.

[Reply][Quote]

Michael Rogers
Posts: 70

Re: Circular joins Your last visit to this thread was on 1/1/1970 12:00:00 AM

Posted: 29 Nov 06 4:24 PM

and these should be avoided, correct?

Especially if Global joins?

[Reply][Quote]

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