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How to back up tables from oracle

Charles William Harris

Apr 11, 2025 pm 09:36 PM

oracle

Oracle table backup method

How to back up Oracle tables?

Oracle provides a variety of mechanisms to back up tables, including:

1. Use the EXPORT command

 <code>EXPORT table_name TO filename.dmp</code>

2. Use the RMAN utility

 <code>RMAN> BACKUP TABLE table_name;</code>

3. Using Oracle Data Pump

 <code>expdp username/password TABLES=table_name DUMPFILE=filename.dmp</code>

4. Use third-party tools

There are many third-party tools available on the market to back up Oracle tables, for example:

Oracle GoldenGate
Toad for Oracle
SQL Developer

How to choose the best method?

Choosing the best method depends on the backup requirements, here are the factors to consider:

Recovery speed: Data Pump is usually faster than EXPORT or RMAN.
Flexibility: RMAN provides the most options, such as incremental and parallel backups.
Third-party tools: Third-party tools usually provide additional features and functionality.

Step description

Use the EXPORT command to back up the table:

Connect to the Oracle database.
Run the EXPORT command to specify the table name and export file name.

Backup tables using the RMAN utility:

Connect to RMAN.
Run the BACKUP TABLE command to specify the table name.

Backup tables using Oracle Data Pump:

Connect to the Oracle database.
Run the expdp command to specify the user name, password, table name, and export file name.

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