What to do if Oracle accidentally deletes a table

Oracle accidentally deleted tables can be recovered in four steps: 1. Check the recycle bin; 2. Execute a query to restore the table; 3. Submit recovery to make the changes permanent; 4. Check the recovery table to verify data integrity.

How to recover a accidentally deleted table in Oracle?

Introduction
Accidentally deleting a table in Oracle is a common mistake that can lead to data loss and application outage. It is crucial to know how to recover accidentally deleted tables. This article will provide a step-by-step guide to help you recover lost data quickly and efficiently.

Recovery steps
1. Check the recycle bin

• There is a recycle bin in Oracle to store deleted surface. Check the Recycle Bin to see if the accidentally deleted table still exists.

• Connect to the Oracle database and execute the following query:

  <code>SELECT * FROM RECYCLEBIN;</code>

• Find the accidentally deleted table and record its name.

2. Restore the table

• Execute the following query, specify the name of the accidentally deleted table to restore it:

  <code>FLASHBACK TABLE table_name TO BEFORE DROP;</code>

• For example, to restore the table named "customers", execute the following query:

  <code>FLASHBACK TABLE customers TO BEFORE DROP;</code>

3. Submit restore

• After restoring the table, commit the changes to make them permanent:

  <code>COMMIT;</code>

##4. Verify the restore

• Check the recovered table to ensure the data is intact. Execute the following query:

  <code>SELECT * FROM table_name;</code>

Precautions To prevent accidentally deleting the table in the future, consider the following precautions:

Back up the database regularly.
• Perform a thorough review before deleting a table.
• Use DDL triggers or table constraints to limit delete operations on the table.

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