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  3. October 2004

Re: SQL Like vs. = sign

> "Dan Bale" wrote:
> Subject: SQL Like vs. = sign
> I am setting up a dynamic SQL statement based on user input for data
> selection.  They are able to select using wildcards, so I am using the
LIKE
> predicate to handle this.
>
> My question is this:  When the user doesn't specify wildcards, and
specifies
> a "straight" value, is there any difference between using LIKE and an
equal
> sign?  I.e.:
>
> CUSTNAME LIKE 'BALE, DAN'
> CUSTNAME = 'BALE, DAN'
>

Dan,

There is a difference - the LIKE  predicate is designed to use with
wildcards.  Of the two statements above, if the exact value 'BALE, DAN' is
found in CUSTNAME, the first statement will NOT find it but the second one
will.

See the LIKE Predicate section here:
http://publib.boulder.ibm.com/iseries/v5r1/ic2924/info/db2/rbafzmst60.htm#HDRCH2LIKE

Steve Landess
Austin, Texas
(512) 423-0935

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