We can use the following command to shrink the table. SQL> ALTER TABLE MYTABLE ENABLE ROW MOVEMENT; This enables row movement of the table. THis is necessary so that oracle is able to actually move the rows to other free extents in order to shrink the space needed. SQL> ALTER TABLE MYTABLE SHRINKSPACE COMPACT;.
Recently I discovered on Oracle Grid Infrastructure 12cR2 that the ASM disk group hosting the Management DB (-MGMTDB) was filling up the disk space very quickly. This is due to a bug on the oclumon data purge procedure. To fix the problem, two possibilities are available: Recreate the Management DB Manually truncate the tables not
In Oracle 21c we can defragment lob segments without affecting access. This releases unused space, without the overhead of a full move of the LOB segment. The shrink can be performed for the lob segments of a specific column, or as part of a cascade operation for a table. alter table t1 modify lob (colb_column1) (shrink space); alter table t1 ...
Check Tablespace Name in Oracle Using Toad. Open Toad, then connect to the user with DBA privileges to see the tablespace pieces of information. From the menu bar, click on Database. Choose Administer from the database menu, then choose Tablespaces. The Tablespaces tab will open to display the tablespace information's as shown in the below ...
Alter some_table shrinkspace. 3. Create functional indexes again. sql database oracle tablespace. Share. Improve this question. Follow asked Jul 17, 2019 at 13:14. Kirill Kobyshev Kirill Kobyshev. ... If you need an online operation and you are on Oracle 12.2 or later, you can try this instead:
The high-water mark will be moved back, and the reclaimed space will be released. Apr 02, 2008 · Shrinking High Water Mark I have noticed that the HWM will only go down if the table is truncated. If I do the following will it lower the HWM:CREATE TABLE temp AS SELECT * FROM table_name;TRUNCATE table_name;INSERT INTO table_name SELECT * FROM