Determine Data size in Table with LONG RAW

From: Jared Still <>
Date: Thu, 28 Feb 2008 15:49:52 -0800
Message-ID: <>

Anyone here have a good method to determine the size of the data in a table that includes a LONG RAW column?

Things I have tried:

Table statistics
Due to bug 58426286 no table with a LONG RAW column that is analyzed with DBMS_STATS will get accurate statistics.

The workaround is to use 'ANALYZE...COMPUTE' I find that to be inaccurate also. The stats suggested 50k rows with a 7k avg
row length.

That would be about 35 meg.
I am exporting the table now, and the export file just hit 300 meg.

COPY command
I thought maybe the SqlPlus copy command would work, creating a densely packed table.

COPY works with LONG, but not LONG RAW.

Currently I am doing an export, but some other method would be preferable.

Any ideas?


Jared Still
Certifiable Oracle DBA and Part Time Perl Evangelist

-- Received on Thu Feb 28 2008 - 17:49:52 CST

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