How to back up a table in Oracle?
You can use Oracle’s Data Pump tool to back up a table.
Here are the steps to back up a table:
- Open the command line interface or SQL*Plus.
- Log in to the Oracle database using sysdba privileges.
- Run the following command to create a directory object that will be used to store backup files.
- Make a directory called backup_dir in the ‘/path/to/backup/directory’ location.
- Be sure to replace /path/to/backup/directory with the directory path where you want to store the backup files.
- Execute the following command to establish a database connection for exporting table data and structure.
- Establish a connection to a remote database using the specified username, password, and connection string.
- Please make sure to replace
, , and with the correct connection information. - Use the following command to export table data and structure using the Data Pump tool.
- Export data from a table named
in a remote database using the “expdp” command with the given username and password, saving the backup file in a specific directory as “table_backup.dmp”. - Please make sure to replace
, , and with the correct login information and table name. - Additional parameters can be added as needed, such as INCLUDE to specify other objects in the export table.
- The data pump tool will start exporting the data and structure of the tables, saving the backup files in the previously created directory.
- After the backup is completed, you can use the impdp command of the Data Pump tool to restore the backed up table data and structure.