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Space Preallocation May Unexpectedly Enlarge Tablespace With Many Datafiles (Doc ID 2939193.1)

Last updated on APRIL 17, 2023

Applies to:

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


The size of the tablespace may appear to expand largely, when under conditions like below.

・Tablespace of many datafiles
・Datafile autoextend on
・Many datafiles not reached the maximum size
・Pre-allocation the tablespace is enabled


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