RE: What's the difference between pins and gets

Hi Steve,

how does Oracle determine that a needed object was previously located in the library cache before it would be pinned ? Does Oracle use some information in the library cache or it firstly tries to 'get' the object ?

Thanks in advance

Ed

>
>
> Hi Alex,
>
> A get is an attempt to locate an object in the library
> cache. If it is not
> found, it is loaded. Database object definitions are loaded
> from the data
> dictionary via the dictionary cache. Cursors are loaded by
> parsing the statement
> text.
>
> A pin is an attempt to use a previously located object in
> the library cache. If
> it has been aged out, then it must be reloaded.
>
> @ Regards,
> @ Steve Adams
> @ http://www.ixora.com.au/
> @ http://www.christianity.net.au/
>
>
> -----Original Message-----
> Sent: Wednesday, 8 November 2000 16:20
> To: Multiple recipients of list ORACLE-L
>
>
> Hi Listers,
>
> Could anybody please explain about what is the difference
> between gets
> and pins and correspondingly between gethits and pinhits in the
> v$librarycache view?
>
> Thank you,
> AlexP
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: AlexP
> INET: apot_at_canadawired.com
>
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Received on Wed Nov 08 2000 - 02:38:19 CST