RE: X$tables

From: Jamadagni, Rajendra <Rajendra.Jamadagni_at_espn.com>
Date: Tue, 23 Sep 2003 04:49:47 -0800
Message-ID: <F001.005D0D38.20030923044947@fatcity.com>

x$tables/views are nothing but a clever implementation of SGA C structures as virtual tables. This is also in line with the RDBMS that all metadata etc should be accessible from tables.

Raj

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Rajendra dot Jamadagni at nospamespn dot com All Views expressed in this email are strictly personal. QOTD: Any clod can have facts, having an opinion is an art !

-----Original Message-----
Sent: Tuesday, September 23, 2003 5:14 AM To: Multiple recipients of list ORACLE-L

Hi,

I have a doubt,please clarify.
All we know about x$tables(fixed tables) and these all are in-memory table.When instance startup the data will be brought back in this tables ,
when Instance off data will go,correct?

My question is since data is not stored in datafiles for this tables how it brings the data when instance startup,
from where it brings.?
Please answer.
Thanks in advance.

Syed

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Author: Jamadagni, Rajendra
  INET: Rajendra.Jamadagni_at_espn.com

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Received on Tue Sep 23 2003 - 07:49:47 CDT