CTAS Of A Table Is Bigger Than The Actual Size
(Doc ID 1934557.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
Information in this document applies to any platform.
***Checked for relevance on 01-Sep-2017***
Create Table As Select (CTAS) of a table results in 1.5 times the storage of the actual table.
The following example illustrates the problem:
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