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Oops just caught up on my email.

Rob Berendt
-- 
Group Dekko Services, LLC
Dept 01.073
PO Box 2000
Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





rob@xxxxxxxxx 
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RE: fast search or scan for words in selected field






Did you figure out the case yet?  Because that can be done...

Rob Berendt
-- 
Group Dekko Services, LLC
Dept 01.073
PO Box 2000
Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





"Dan Bale" <dbale@xxxxxxxxxxxxx> 
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09/10/2004 06:15 PM
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RE: fast search or scan for words in selected field






Man, this is just freakin' awesome!

Sorry, lost my composure for just a second.

   Where CONAME like '%ROOF%'
   Where CONAME not like '%ROOF%'
   Where CONAME like '%R_OF%'

Wow.  It's bloody fast on my v5r2 box, blink of an eye.  Number of records
in the entire file is small, only 36000 or so, but the fact that it 
returns
the first hit so quickly, there's no lag time waiting for an index to 
build.

So, let's try 1,000,000 records, record length 343, ITDS is 30 characters 
in
length:

   SELECT * FROM cositm WHERE ITDS like '%CLIP%'

Instant return, so I try:

   SELECT count(*) FROM cositm WHERE ITDS like '%CLIP%'

This time, it takes 6 seconds to return a count of 38,860.  Change it to
'%I%', same amount of time returns a count of 721,835.  The optimizer
recommends building an index on ITDS, but don't know if that will help 
when
starting with % wildcard.

I think I'll be tinkering with this.

I need to find out how to ignore case, and I'll be rolling.

db

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