database administration

A database administrator (DBA) is responsible for the environmental aspects of databases. The role of a database administrator is to design database. So DBA also can called a database analyst or database designer.

A DBA perform following duties:

• Installation of new software
• Configuration of hardware and software with the system administrator
• Security administration
• Data analysis
• Database design
• Data modeling and optimization
  
• Understanding and implementation of database schemas
• Ability to interpret and write complex Structured Query Language (SQL) queries
• Monitor systems for optimum Performance and capacity constraints
• Establish standards and best practices for SQL
• Interact with and coach developers in SQL scripting