How do I find the recycle bin in Oracle?
Drop the table without the PURGE keyword, and check the contents of the recycle bin using the SHOW RECYCLEBIN command. A privileged user can display all recycle bins using the SHOW DBA_RECYCLEBIN command.
What is the Oracle recycle bin?
The recycle bin is merely a logical structure that catalogs the dropped objects. The recyclebin is enabled, by default, from Oracle 10g. But you can turn it on or off with the RECYCLEBIN initialization parameter, at the system or session level.
How do I empty the Recycle Bin in Oracle?
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: PURGE RECYCLEBIN – Removes all dropped tables from your recycle bin. PURGE TABLE table_name – Removes the specified table from your recycle bin.
What is Purge command in Oracle?
When issuing a DROP TABLE statement in Oracle, you can specify the PURGE option. The PURGE option will purge the table and its dependent objects so that they do not appear in the recycle bin. The risk of specifying the PURGE option is that you will not be able to recover the table.
How do I recover a flashback drop table?
To perform the Flashback Drop operation:
- Connect SQL*Plus to the hr schema and obtain the name of the dropped table in the recycle bin.
- Retrieve the dropped table using the FLASHBACK TABLE …
- If the retrieved table had referential constraints before it was placed in the recycle bin, then re-create them.
How do I get recycle bin on desktop?
Find the Recycle Bin
- Select Start > Settings > Personalization > Themes > Desktop icon settings.
- Make sure the check box for Recycle Bin is checked, then select OK. You should see the icon displayed on your desktop.
How do I recover a dropped table in Oracle without flashback?
However, if for some reason, such as flashback drop being disabled or the table having been dropped with the PURGE option, you cannot use flashback table, you can create a copy of the database, perform point-in-time recovery of that copy to a time before the table was dropped, export the dropped table using an Oracle …
How do I delete all recycle bin?
Power on your Windows 10 computer and right-click on your recycle bin to open the contextual menu. 2. Click “Empty Recycle Bin” to empty your recycle bin.
How do I drop a tablespace including contents and datafiles?
Introduction to Oracle DROP TABLESPACE statement First, specify the name of the tablespace that you want to drop after the DROP TABLESPACE keywords. Second, use the INCLUDE CONTENTS to delete all contents of the tablespace. If the tablespace has any objects, you must use this option to remove the tablespace.
What is the different between purge and delete?
Delete removes the rows on going. For example, if you have a work queue, and the tasks will be finished after the queue, you can delete those rows since they are not needed anymore. Purging is the process of freeing up space in the database or of deleting obsolete data that is not required by the system.
What is Oracle cascade constraints?
CASCADE CONSTRAINTS. Specify CASCADE CONSTRAINTS to drop all referential integrity constraints that refer to primary and unique keys in the dropped table. If you omit this clause, and such referential integrity constraints exist, then the database returns an error and does not drop the table.
How do I get my dropped table back?
You can recover a dropped table by doing the following:
- Identify the dropped table by invoking the LIST HISTORY DROPPED TABLE command.
- Restore a database- or table space-level backup image taken before the table was dropped.
- Create an export directory to which files containing the table data are to be written.
Where can I find the Recycle Bin in Oracle?
The contents of the Oracle recycle bin can be viewed from SQL*Plus by using the show recyclebin command: The recycle bin is a new feature in Oracle 10g which keeps dropped objects. When you drop an object, no space is released and the object is moved to the logical container called the recycle bin.
How to recover a table from the Recycle Bin?
Oracle Recycle Bin. Oracle 10g introduced the recycle bin. You can recover a table that you have dropped from the Oracle recycle bin by using the flashback table command as seen here:
Can a database remove objects from the Recycle Bin?
Oracle Database will remove all objects from the user’s recycle bin and release all space associated with objects in the recycle bin. This clause is valid only if you have SYSDBA system privilege.
When to use purge statement in Oracle recyclebin?
Talk to your DBA and verify your security settings within the database. If you decide that you are never going to restore an item from the recycle bin, you can use the PURGE statement to remove the items and their associated objects from the recycle bin and release their storage space. You need the same privileges as if you were dropping the item.