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Existence Check Query

 
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pshongal

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Joined: 14 Jun 2012
Posts: 90
Location: India

PostPosted: Mon Nov 05, 2012 12:06 pm    Post subject: Existence Check Query
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Hi,

I have coded as below for existence check.

SELECT 1 INTO :WS-CHECK
FROM table_name
WHERE xyz= :WS-xyz

Is it required to code it as

SELECT 1 INTO :WS-CHECK
FROM table_name
WHERE xyz= :WS-xyz
FETCH FIRST ROW ONLY --- Is this requird?
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Gnanas N

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Joined: 06 Sep 2007
Posts: 788
Location: Chennai, India

PostPosted: Mon Nov 05, 2012 12:30 pm    Post subject: Re: Existence Check Query
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pshongal wrote:
... Is this requird?

Yes, if your first query returns more than one row and SQLCODE -811 is not handled...
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pshongal

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Joined: 14 Jun 2012
Posts: 90
Location: India

PostPosted: Mon Nov 05, 2012 2:15 pm    Post subject:
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Thank you Gnanas.
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