Database Administration (MOSC)

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reclaim storage back

in Database Administration (MOSC) 11 commentsAnswered

i have oracle 19c RAC with database 19.3 installed 2 nodes, recently i had a scehma that is 70GB and the top table consuming the storage was consuming 50 GB, i dropped the partition from the table and now the schema is consuming only 17GB out of 70GB.

running a script to tell me how much space can be reclaimed shows me from this tablespace nothing can be reclaimed.

1- how can reclaim the space to OS, or decrease the size of the tablespace to 30GB without affecting the DB performance

2- is there any procedure that could make this online without having a downtime on the application and not affecting it

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