• Oracle 9i - 12c version on Linux • Automatic Storage Management • Oracle DB performance tuning (using AWR,ADDM) • SQL Tuning • Database Security • Rman backup and restore • Data Protector backup and restore • Data management(Transportable tablespace, DataPump, classic exp/imp) • Physical standby, switchover • Upgrading databases, installing PSU • RAC • Oracle Databace Appliance