An Oracle dba is a database administrator, a database administrator who specializes in Oracle database software. Tasks of an Oracle dba include making capacity planning, database design, installing database software and optimizing the performance of the database environment. But the security, backup and recovery of databases are also part of his or her tasks.

An Oracle dba is usually certified, for example Oracle OCA (Oracle Certified Associate), OCP (Oracle Certified Professional) and OCM (Oracle Certified Master).