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Oracle Purge Recycle Bin

Oracle Database Tips by Donald BurlesonConsulting

June 8, 2015

Question:  I want to delete objects from my recycle bin.  How is this accomplished?

  Is there an easy way to purge these objects?

Answer:  Using the purge command to purge recycle bin objects is a fairly straightforward process.  The user intending to use the  purge command must either have the drop any system privileges for the object(s) they intend to purge from the recycle bin, or the object must belong to that user's schema.

If you decide that you are never going to restore an item from the recycle bin, the purge statement will remove the items and their associated objects from the recycle bin and restore their storage space.  When you use the Oracle purge command to purge a table, you can use the name that the table is known by in the recycle bin or the original name of the table.  If you use the user-defined name of the table, and there are multiple tables with the same name, then the purge command will purge the objects with that name. This name can be retrieved by querying the dba_recyclebin or user_recyclebin view.

Example: The following will remove table_name from the recycle bin.

purge table table_name;

You can use the purge command to purge all the objects in the recycle bin that are from a specified tablespace or only the tablespace objects belonging to a specified user, as shown in the following examples:

purge tablespace example;
purge tablespace example user oe;

Users can purge the recycle bin of their own objects and release space for objects by using the following statement:

purge recyclebin;

If you have the sysdba privilege, then you can purge the entire recycle bin by specifying dba_recyclebin, instead of recyclebin in the previous statement.

The purge command is useful for removing items for which you will have absolutely no use in the future.  Use the Oracle purge command to reclaim space that is currently not being used gainfully by the recycle bin.


 
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