How to delete all data in tables under a user in Oracle?

There are two ways to clear all table data in an Oracle user:

Option 1: Apply the truncate table command.

1. Login to the database using the command: sqlplus username/password@database_name
2. Get the names of all tables from the user_tables.
3. Delete all data from the table named table_name.

Option 2: Utilize the delete command.

1. Database connection using the SQLPlus tool with the provided username, password, and database name.
2. Retrieve the names of tables from the user_tables database.
3. Remove all records from the table named table_name.

Whichever method you use, be sure to handle it with care and make necessary backups before clearing any data.