Introduction The RMAN DUPLICATE command is a built-in utility in Oracle that lets us create a copy of an existing database. It's commonly used for testing, reporting, or setting up a standby database for disaster recovery. Unlike manual duplication methods, RMAN simplifies the process by automatically handling tasks such as creating control files, assigning a new database identifier (DBID), and applying recovery to keep the cloned database consistent. In this article, we'll use the RMAN Duplicate utility for cloning and restoring a target database. Two Main Types of Duplication Active Duplication: This method copies the database directly from the running source database to the destination over the network. It doesn't rely on existing backups, and works well when the source database is accessible and network performance is sufficient. Backup-Based Duplication: This approach uses previously created RMAN backups (stored on disk or tape) to duplicate the database. It...