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On Nov 22, 2019, at 3:02 PM, Charles Wilt <charles.wilt@xxxxxxxxx> wrote:
Depends on the isolation level...
At "no commit" which I suspect is what the majority used, then no selects
don't lock the data.
Exception, where I would use a "for read only" is when defining a cursor...
Charles
On Fri, Nov 22, 2019 at 11:34 AM Jay Vaughn <jeffersonvaughn@xxxxxxxxx>
wrote:
Thx Dave. Guess I naively concluded selects do not lock data.--
Jay
Sent from my iPhone
On Nov 22, 2019, at 12:14 PM, dlclark@xxxxxxxxxxxxxxxx wrote:11/22/2019
"MIDRANGE-L" <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> wrote on
12:05:29 PM:*********************************************************************************************
thanks Dave - i'll show my ignorance by asking this and can certainly gowhy
google and research but can you provide a brief statement or two about
you practice that?
The standard here is to practice "optimistic locking" across the
board. So, we always want to avoid actual locks on reads.
Sincerely,
Dave Clark
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