Re: Lock
- From: Toon Koppelaars <toon.koppelaars@xxxxxxxxxxx>
- To: cure@xxxxxxxxxxxxx
- Date: Sat, 10 Mar 2012 19:49:00 +0100
Why do you ask this?
Logically those four rows will be exclusively locked by the transaction.
I wonder why whether Oracle 'creates' 1 or 4 'locks' (whatever 'creating a
lock' may mean), is of any relevance...
On Sat, Mar 10, 2012 at 5:56 PM, Paul Harrison <cure@xxxxxxxxxxxxx> wrote:
> Hello,
>
>
> I have a table with four rows. I issue the sql statement: update table set
> name = 'test'; this will update 4 rows. Will Oracle create 4 locks one for
> each row or 1 lock for the 4 rows?
>
>
>
> Thanks,
>
> Paul
>
>
>
> --
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>
>
>
--
Toon Koppelaars
RuleGen BV
Toon.Koppelaars@xxxxxxxxxxx
www.RuleGen.com
TheHelsinkiDeclaration.blogspot.com
(co)Author: "Applied Mathematics for Database Professionals"
www.rulegen.com/am4dp-backcover-text
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