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How do you delete data from a DB2 table and release disk space?
How to Delete Data From a DB2 Table and Release Disk Space
- Delete Your Data. The first step is obviously to delete the data.
- Reorg the Table.
- Reduce the Tablespace.
- Lather, Rinse, Repeat.
What is lock in DB2?
The mode of a lock tells what access to the locked object is permitted to the lock owner and to any concurrent processes. DB2® uses of the lock modes to determine whether one lock is compatible with another. It must wait until process A releases its lock, and until all other existing incompatible locks are released.
Which utility is used to retrieve data from a image copy?
Use the COPY utility or COPYTOCOPY utility to create a sequential format image copy from the FlashCopy image copy. Then, use the sequential format image copy as input for UNLOAD.
How to reclaim space in SQL after deleting records from?
SQL data drive was at 86.8GB of free disk space before deleting the old records. After deleting the old records it still shows as the same amount of free disk space. How can I reclaim this space? *** Some more info…The database is named Logs.
How to free space after deleting millions of rows from a table?
I performed a delete operation on my table . It deleted around 10 millions of rows from it How do I free the space associated with the deleted data. But it did not work for me. Do I need to concern about the index’s associated with the table?
How to check unused space in SQL Server?
If we query the table we just created it should look something like this: To check the space used by the table we will use DMV sys.dm_db_index_physical_stats. This returns the size and fragmentation information for the data and indexes of the specified table or view.
How does truncating a table give you free space?
Truncating a table does not give any free space back to the disk – you need to run a SHRINKDATABASE operation for the allocated space to be successfully de-allocated and returned to the disk. Also, as others have mentioned, maybe the table was not taking up much space in the first place.