• Installation and Creation of Oracle Database Software 12c / 11g / 10g on Windows and Linux Environment. • Managing Oracle Database Instance , Tablespace management , User Management , Network Configuration. • Implementing Oracle Auditing , Managing Oracle Database Locking Issue. • Redo Management , Undo Management , Import and Export Operation. • Backup and Recovery Strategy implementation using RMAN • Upgradation and Patching Activity in Oracle Database.