Types of DBAs and What They Do There are two main categories of Database Administrators (DBAs), though in many organizations these roles may overlap or evolve depending on team size and structure: 1. Software DBA (Development DBA) These DBAs focus on database design and development . Their main responsibilities include: Designing and creating database schemas — tables, indexes, relationships, and constraints. Writing and optimizing SQL queries, stored procedures, and functions to support application features. Collaborating closely with application developers to ensure efficient data access and maintain data integrity. Assisting in data modeling and setting up development and test environments . Ensuring that the database design supports business requirements for scalability and performance . Software DBAs tend to be involved in the planning and architecture phases of database projects, helping create a solid foundation for applications to interact with data ef...