Metadata, or data about the data, also must be maintained. Without metadata, the data stored in databases lacks true meaning. Database schema creation and management . A DBA must be able to translate a data model or logical database design into an actual physical database implementation and to manage that database once it has been implemented. Procedural skills .
Modern databases manage more than merely data.
Capacity planning . Because data consumption and usage continues to grow, the DBA must be prepared to support more data, more users, and more connection. Performance management and tuning . Dealing with performance problems is usually the biggest post-implementation nightmare faced by DBAs. As such, the DBA must be able to proactively monitor the database environment and to make changes to data structures, SQL, application logic or the DBMS subsystem to optimize performance.