Because if property = 20, then bitand(prop,4) = 4

etc

hth
connor

 --- Sinard Xing <[EMAIL PROTECTED]> wrote: >
Hi all,
> 
> If an index with reverse key generated the table
> ind$.property it allways
> store value 4
> 
> Why Oracle recommed this condition
>               ....
>               WHERE BITAND(ind$.property,4) = 4
> 
> 
> instead
> 
>       ind$.property = 4
> 
> 
> 
> PS: This is BITAND () code
> 
> int bitand ( int num1, int num2 ) {
>       return ( int ) ( num1 & num2 );
> }
> 
> 
> 
> Thanks
> 
> Sinardy
> 
> 
> -- 
> Please see the official ORACLE-L FAQ:
> http://www.orafaq.com
> -- 
> Author: Sinard Xing
>   INET: [EMAIL PROTECTED]
> 
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=====
Connor McDonald
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http://www.oradba.freeserve.co.uk)

"Some days you're the pigeon, some days you're the statue"

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