Hi Roland,
Is the query producing right results in the first place?
If there are n tables in the FROM clause, there must be atleast n-1 joins in
the where clause to avoid the Cartesian product (which definitely screws up
performance and rarely produces correct results.)
In the FROM clause of your query, there are 6 tables, whereas in the WHERE
clause there is only 1 join condition.
HTH.
Regards,
Charu
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Sent: Wednesday, February 05, 2003 6:24 PM
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I have this sql query. I am wondering why this query takes so long time, Do
I need more conditions to make it run, or it it just that this query take so
long time to run? Anything wrong with the query?
Please help me with this.
SELECT distinct PBK.VARUKORGEANREL_ULAG.ean, 0, 0, 0, rik2.vare.varenavn,
rik2.vare.str, PBK.VARUKORGEANREL_ULAG.lagstapris, rik2.vare.hylletxt2,
rik2.art_hierarki.vgrp, rik2.hierarki_tekst.tekst, '0', '0', 0,
pbk.underlag.period,
'rsm',pbk.sortiment_vgrp.sortiment,rik2.art_hierarki.art_grp,rik2.art_hierar
ki.art_ugrp
FROM PBK.UNDERLAG, PBK.VARUKORGEANREL_ULAG, rik2.vare,
rik2.hierarki_tekst, rik2.art_hierarki, pbk.sortiment_vgrp
WHERE PBK.underlag.underlagid=1100
AND PBK.underlag.varukorgid=PBK.varukorgeanrel_ulag.varukorgid
AND PBK.VARUKORGEANREL_ulag.varutyp=0;
Thanks in advance
Roland
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