How to Use DBMS_COMPRESSION.GET_COMPRESSION_RATIO in 12c (Doc ID 1589879.1)

Last updated on JUNE 08, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.1 and later
Information in this document applies to any platform.

Goal

You want to find the estimated compression ratio, rows in a block, and blocks used, for both compressed and uncompressed samples, for an object or partition/subpartition of an object in 12c. 
 

Solution

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