How to recover accidentally deleted data in oracle

Methods to recover accidentally deleted data in Oracle include: Check the Recycle Bin: If the data is in the Recycle Bin, right-click and restore. Use Flashback Query: Execute a specific query to specify the timestamp of accidentally deleted data. Import using Data Pump: If you had a backup before accidentally deleting it, export the data and import it.

How to recover accidentally deleted data in Oracle

When you accidentally delete data in Oracle database, You can use the following steps to recover:

1. Check the Recycle Bin

• Open the Oracle Database Management Interface (DBI).
• Expand "Recycle Bin".
• Check if the required data has been deleted recently.
• If the data is in the Recycle Bin, right-click and select "Recover".

2. Use flashback query

• #If the data is no longer in the recycle bin, you can use flashback query to restore it.
• Connect to the database and execute the following query:

<code class="sql">SELECT * FROM table_name AS OF TIMESTAMP to_timestamp('YYYY-MM-DD HH24:MI:SS');</code>

• Replace table_name with the name of the table where the data is to be restored, replacing YYYY-MM -DD ​​HH24:MI:SS is replaced with the timestamp of accidentally deleted data.

3. Use Data Pump to import

• #If you accidentally delete the previous backup of data, you can use Data Pump to import and restore it.
• Export data to file:

<code class="sql">expdp username/password directory=directory_name dumpfile=dumpfile_name.dmp;</code>

• Replace username, password, directory_name and dumpfile_name for your information.
• Import data:

<code class="sql">impdp username/password directory=directory_name dumpfile=dumpfile_name.dmp;</code>

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