A database administrator also called DBA, 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.
Task 1: Evaluate the Database Server Hardware
Task 2: Install the Oracle Database Software
Task 3: Plan the Database
Task 4: Create and Open the Database
Task 5: Back Up the Database
Task 6: Enroll System Users
Task 7: Implement the Database Design
Task 8: Back Up the Fully Functional Database
Task 9: Tune Database Performance
Task 10: Download and Install Patches
Task 11: Roll Out to Additional Hosts
Some content taken form - Oracle Help Centre
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