What is the Recycle Bin?
The recycle bin is a data dictionary table containing information about dropped objects. Dropped tables and any associated objects such as indexes, constraints, nested tables, and the likes are not removed and still occupy space. Enabling and Disabling the Recycle Bin ALTER SESSION SET recyclebin = OFF; ALTER SYSTEM SET recyclebin = OFF; ALTER SESSION SET recyclebin = ON; ALTER SYSTEM SET recyclebin = ON; An example of recovery: drop table SALARY2016; select object_name,original_name,type,can_undrop as “undo”,can_purge as “PUR”, droptime from dba_recyclebin where original_name like SALARY%’ order by droptime; OBJECT_NAME ORIGINAL_NAME TYPE undo PUR DROPTIME BIN$JZgAyoU+u1DgUxQVCApelQ==$0 SALARY2016 TABLE YES YES 2016-08-04:13:39:27...