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Article #287

Re: Store Procedure and IN

#287
From: Karol Bieniaszewski
Date: Thu, 21 Feb 2008 09:40
73 lines
2943 bytes
or separate query bettween or
and do union

Karol Bieniaszewski


U�ytkownik "Karol Bieniaszewski" <liviuslivius@poczta.onet.pl> napisa� w 
wiadomo�ci news:47bd4554@newsgroups.borland.com...
> then try exists clause
>
> Select *
> From MyStoreProcedure MSP
> Where MSP.foo1 = MSP.foo2
> and MSP.foo3 = MSP.foo4
> and MSP.foo5 = MSP.foo6
> or exists(SELECT * FROM MyTable MT where MT.ID=MSP.ID AND MT.f1=MT.f2)
>
> Karol Bieniaszewski
>
>
>
> U�ytkownik "Safwan" <safwan_maswadeh@yahoo.com> napisa� w wiadomo�ci 
> news:47bd3ecc$1@newsgroups.borland.com...
>> Thanks Karol Bieniaszewski
>>
>> But I use OR, so inner join will not give me the wanted result.
>>
>> ....
>> or ID in (Select ID From MyTable Where f1 = f2);
>>
>>
>>
>> "Karol Bieniaszewski" <liviuslivius@poczta.onet.pl> wrote in message 
>> news:47bd39ef$1@newsgroups.borland.com...
>>>
>>> U�ytkownik "Safwan" <safwan_maswadeh@yahoo.com> napisa� w wiadomo�ci 
>>> news:47bcbe87@newsgroups.borland.com...
>>>> Hi
>>>>
>>>> Select *
>>>> From MyView
>>>> Where foo1 = foo2
>>>> and foo3 = foo4
>>>> and foo5 = foo6
>>>> or ID in (Select ID From MyTable Where f1 = f2);
>>>>
>>>> With the above statement the speed is acceptable. But when changeing 
>>>> the same view (MyView) into a store procedure with  - for select .... 
>>>> from ... do suspend. - like this :
>>>>
>>>> Select *
>>>> From MyStoreProcedure
>>>> Where foo1 = foo2
>>>> and foo3 = foo4
>>>> and foo5 = foo6
>>>> or ID in (Select ID From MyTable Where f1 = f2);
>>>>
>>>> The statement take a looooong time to fetch the records.
>>>> I use the PLANalyzer to check the statement, I notice that the in 
>>>> clause cause slow.
>>>>
>>>> What should I do to speed up my query ??
>>>>
>>> change in (select ..
>>> to inner join
>>>
>>> Karol Bieniaszewski
>>>
>>>
>>
>>
>
> 
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From: "Karol Bieniaszewski" <liviuslivius@poczta.onet.pl>
Newsgroups: borland.public.interbase.sql
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Subject: Re: Store Procedure and IN
Date: Thu, 21 Feb 2008 10:40:20 +0100
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