Job Description:

• 1) Coordinates physical changes to computer data bases; and codes, tests, and implements physical data base, applying knowledge of data base management system: Designs logical and physical data bases or reviews description of changes to data base design to understand how changes to be made affect physical data base.

• 2) Establishes physical data base parameters.

• 3) Codes data base descriptions and specifies identifiers of data base to data base management system or directs others in coding data base descriptions.

• 4) Calculates optimum values for data base parameters, such as amount of computer memory to be used by data base, following manuals and using calculator.

• 5) Specifies user access level for each segment of one or more data items, such as insert, replace, retrieve, or delete data.

• 6) Specifies which users can access data bases and what data can be accessed by user.

• 7) Tests and corrects errors, and refines changes to data base.

• 8) Enters codes to create production data base.

• 9) Selects and enters codes of utility program to monitor data base performance, such as distribution of records and amount of available memory.

• 10) Directs programmers and analysts to make changes to data base management system.

• 11) Reviews and corrects programs.

• 12) Answers user questions.

• 13) Confers with coworkers to determine impact of data base changes on other systems and staff cost for making changes to data base.

• 14) Modifies data base programs to increase processing performance, referred to as performance tuning.

• 15) Workers typically specialize in one or more types of data base management systems.

• 16) May train users.