Database Administration (MOSC)

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Automatic datafile extension

in Database Administration (MOSC) 6 commentsAnswered ✓

Hello,

Last week I was returning some space from 19c database on Linux to operating system. Bigfile tablespace size was about 2Tb, free space was about 250Gb. I moved segments from the end of datafile to another tablespace, decreased datafile size by 250Gb, returned segments back using compression. So finally I had bigfile datafile decreased in size by 250Gb and 50Gb of free space. But after some time I noticed that Oracle resized datafile and added about 100Gb of free space to the end of datafile. Definitely, it is not a user process - if I decrease datafile size, after some

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