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  2. MIDRANGE-L
  3. March 2011

Re: sub-select in SQL

Methinks it wil be executed first, then you will see a record counter speed
up during the update proces. At least, that is what I have experienced.

With regards,
Carel Teijgeler

*********** REPLY SEPARATOR ***********

On 2-3-2011 at 12:02 hockchai Lim wrote:

For the sql below, does any one know if the sub-select in the where
statement gets execute only once or it gets execute for each row in
BL1025INP file?

thanks

update
BL1025INP a
set
a.INERRFLG = 'Y'
where
a.inseq# in (
select inseq#
from BL1025INP b
where
b.inerrFlg = 'Y'
group by
INSEQ#)





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