DBA stand for ( Data Base Administrator ) which is responsible for managing and controlling the database. A Database administrator frequently known just by the acronym DBA and is a role usually within the Information Technology department charged with the creation, maintenance, backups, querying, tuning, user rights assignment and security of an organization's databases. The role requires technical training and expertise in the specific RDBMS used by the organization, in addition to other skills such as analytical thinking and ability to concentrate on tasks, as well as experience working with databases in the real world. The DBA role is a critical member of the IT team. A DBA is usually expected to have experience with one or more of the major database management products, such as Structured Query Language, SAP, and Oracle-based database management software.