Re: 11.2 ACS for DMLs that use Binds

From: Mohamed Houri <mohamed.houri_at_gmail.com>
Date: Tue, 7 Oct 2014 12:23:36 +0200
Message-ID: <CAJu8R6jW9bKmy1_gRsprdkCZmjeLJ9XBdN00ooGNosAptS5M3A_at_mail.gmail.com>



https://community.oracle.com/thread/2412777?start=0&tstart=0

Best regards
Mohamed Houri

2014-10-07 12:01 GMT+02:00 Dominic Brooks <dombrooks_at_hotmail.com>:

> Difficult to prove something never works.
>
> I've a couple of test cases which I tend to use for ACS and it doesn't
> kick in if I change these to insert selects.
>
> However if I hint /*+ bind_aware */ it does.
>
> So... I'm not sure if that's much help apart from to say ACS can work with
> inserts but it doesn't seem as easy to get the optimiser to comply.
>
> Sent from my iPhone
>
> On 7 Oct 2014, at 08:33, "Chitale, Hemant K" <Hemant-K.Chitale_at_sc.com>
> wrote:
>
> Does anyone have evidence / notes / documentation on whether and how
> Adaptive Cursor Sharing can kick in for **DML** that uses Binds ?
>
> I’ve run a few tests where a SELECT statement does show Adaptive Cursor
> Sharing but when I include the SELECT in an INSERT ... SELECT, I don’t
> see Adaptive Cursor Sharing happening.
>
> Hemant K Chitale
>
>
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Received on Tue Oct 07 2014 - 12:23:36 CEST

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