> If I have two threads modifying the same "bit" field:
>     thread1=> update table set bf=bf | '01000'
>     thread2=> update table set bf=bf | '10000'
> Will this operation always be safe (e.g. result in bf='11000')?  Or

Won't this always result in bf='11xxx', depending on the
original values of bf?

TJ
www.gnova.com




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