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Oracle Tutorials - Recover a Dropped Table

By: FYIcenter.com

(Continued from previous topic...)

How To Recover a Dropped Table?

If you accidentally dropped a table, can you recover it back? The answer is yes, if you have the recycle bin feature turned on. You can use the FLASHBACK TABLE ... TO BEFORE DROP statement to recover a dropped table from the recycle bin as shown in the following SQL script:

SQL> CREATE TABLE emp_dept_90 
  2  AS SELECT * FROM employees WHERE department_id=90;
Table created.

SQL> SELECT COUNT(*) FROM emp_dept_90;
  COUNT(*)
----------
         3

SQL> DROP TABLE emp_dept_90;
Table dropped.

SQL> FLASHBACK TABLE emp_dept_90 TO BEFORE DROP
  2  RENAME TO emp_dept_bck;
Flashback complete.

SQL> SELECT COUNT(*) FROM emp_dept_bck;
  COUNT(*)
----------
         3

The FLASHBASK statement in this script recovered the dropped table "emp_dept_90" to new name "emp_dept_bck". All the data rows are recovered nicely.

(Continued on next topic...)

  1. What Is a Database Table?
  2. How Many Types of Tables Supported by Oracle?
  3. How To Create a New Table in Your Schema?
  4. How To Create a New Table by Selecting Rows from Another Table?
  5. How To Rename an Existing Table?
  6. How To Drop an Existing Table?
  7. How To Add a New Column to an Existing Table?
  8. How To Add a New Column to an Existing Table with a Default Value?
  9. How To Rename a Column in an Existing Table?
  10. How To Delete a Column in an Existing Table?
  11. How To View All Columns in an Existing Table?
  12. How To Recover a Dropped Table?
  13. What Is Recycle Bin?
  14. How To Turn On or Off Recycle Bin for the Instance?
  15. How To View the Dropped Tables in Your Recycle Bin?
  16. How To Empty Your Recycle Bin?
  17. How To Turn On or Off Recycle Bin for the Session?
  18. How To List All Tables in Your Schema?

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