Use the PURGE statement to remove a table or index from your recycle bin and release all of the space associated with the object, or to remove the entire recycle bin, or to remove part of all of a dropped tablespace from the recycle bin. Use the PURGE statement to remove a table or index from your recycle bin and release all of the space associated with the object, or to remove the entire recycle bin, or to remove part of all of a dropped tablespace from the recycle bin. Oracle Database Administrator’s Guide for information on the recycle bin and naming conventions for objects in the recycle bin. Unless you specify the PURGE clause, the DROP TABLE statement does not result in space being released back to the tablespace for use by other objects, and the space continues to count toward the user’s space quota. However, if you subsequently drop the cluster, then the table is purged from the recycle bin and can no longer be recovered with a FLASHBACK TABLE operation. When a dropped table is moved to the recycle bin, the table and its associated objects are given system-generated names. Disabling the recycle bin does not purge or otherwise affect objects already in the recycle bin. Oracle Database provides two views for obtaining information about objects in the recycle bin:.
However, the more time that has passed since the table was dropped, the less likely it will be in the Oracle recycle bin (The Oracle recycle bin is purged periodically based on a number of different criteria). Oracle will purge recyclebin objects before it autoextends a datafile. SHOW RECYCLEBIN;: FLASHBACK TABLE TO BEFORE DROP;.
Oracle maintains a recycle bin for dropped objects starting with Oracle 10g. Dropped tables go into the recyclebin, and can be restored (undropped) from the recyclebin. This Oracle tutorial explains how to use the Oracle DROP TABLE statement with syntax and examples. If specified, the table and its dependent objects will be purged from the recycle bin and you will not be able to recover the table. After you drop the table Oracle will return an error:. While, the table will be not moved to the recycle bin. SQL purge table table_name;
Oracle Recycle Bin Tips
You can view your dropped tables by querying the new RECYCLEBIN view. Objects in the Recycle Bin will remain in the database until the owner of the dropped objects decides to permanently remove them using the new PURGE command. In Oracle 10g and later, how do I recover a dropped database table? With recyclebin, Oracle does not automatically delete dropped tables. In either case, Oracle will begin purging objects one at a time, starting with those that have been kept in recyclebin the longest, until it creates enough space for the current operation. Oracle 10g has taken this technology a step further making it simpler to use and much more flexible. RECYCLEBIN command and purged using the PURGE TABLE command. Oracle Flashback Drop Version 11. DROP TABLE t PURGE; The following statement removes the table test from the recycle bin. If more than one version of test resides in the recycle bin, Oracle Database removes the version that has been there the longest:. In Oracle 10, this is now creating some real problems because the tables are not actually dropped but rather only placed in a recycle bin.
If your recycle bin is full, or you just want to clean your recycle bin to get rid of all the dropped tables, you can empty it by using the PURGE statement in two formats:. It isn’t released until you purge the recycle bin or you do drop table xx purge. Oracle Database10g introduces a new feature for dropping tables. When you drop a table, the database does not immediately release the space associated with the table. Rather, the database renames the table and places it in a recycle bin, where it can.