The role includes the development and design of database strategies, system monitoring and improving database performance and capacity, and planning for future expansion requirements. They may also plan, co-ordinate and implement security measures to safeguard the database.
- Communication skills
- Knowledge of database theory
- Knowledge of database design
- Knowledge about the RDBMS itself, e.g. Oracle Database, IBM DB2, Microsoft SQL Server, Adaptive Server Enterprise, MaxDB, PostgreSQL
- Knowledge of Structured Query Language (SQL) and procedural extension language, e.g. PL/SQL, SQL/PSM, Transact-SQL
- General understanding of distributed computing architectures, e.g. Client/Server, Internet/Intranet, Enterprise
- General understanding of the underlying operating system, e.g. Windows, Unix, Linux
- General understanding of storage technologies, memory management, disk arrays, NAS/SAN, networking
A database administrator's responsibilities can include the following tasks:
- Installing and upgrading the database server and application tools
- Allocating system storage and planning future storage requirements for the database system
- Modifying the database structure, as necessary, from information given by application developers
- Enrolling users and maintaining system security
- Ensuring compliance with database vendor license agreement
- Controlling and monitoring user access to the database
- Monitoring and optimizing the performance of the database
- Planning for backup and recovery of database information
- Maintaining archived data
- Backing up and restoring databases
- Contacting database vendor for technical support
- Generating various reports by querying from database as per need.
- Game server hosting, administration of games, using a database.
Job titles 
DBAs are also known by the titles Database Coordinator or Database Programmer, although a database programmer requires more advanced skills in SQL programming than a DBA may have, and a Database Programmer may not have and does not require the skills of database administration, backing up, restoring, monitoring or tuning to do their job well.
The role is closely related to the other jobs of Database Analyst, Database Modeller, Programmer Analyst, and Systems Manager.
- Data Analysts/Query designers
- Junior DBAs
- Midlevel DBAs
- Senior DBAs
- DBA consultants
- Manager/Director of Database Administration/Information Technology
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- "Database Administrator". ICT Careers Portal. Australian Computer Society. Retrieved 2012-02-06.
- Spenik, Mark; Sledge, Orryn (2001-03-20). "What is a Database Administrator? (DBA)". Developer.com. Archived from the original on 2011-06-13. Retrieved 2012-02-06.
- "Oracle Certification Program". Oracle Corporation. Retrieved 2011-06-18.
- "Microsoft SQL Server Certification". Microsoft Corporation. Retrieved 2012-02-06.
- "Oracle DBA Responsibilities". Oracle Corporation. Retrieved 2012-02-06.
- "Database Administrator Job Description". Retrieved 2012-11-14.
- How To Become a SQL Server DBA - http://www.sqldbaguru.com/entries/general/how-to-become-a-professional-sql-server-dba