How to claim unused space in datafile
I have a tablespace (TS_01) that consists of 5 data files. The tablespace is housing 200+ tables but 99% of the space is used by 1 table (Table_A) storing temporary documents that get deleted the following year. I have just deleted 90% of the rows in Table_A for data older than 2005 with should free up at least 10GB of space. (the export file was 10GB for this table before the row deletion, it's 47MB now). I have moved table_A to a new tablespace TS_02 and rebuilt the indexes but the space it used on TS_01 has still not been freed up and all 5 datafiles are still 95% full. How do I reclaim the unused space ?
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