| Job Title |
Data Base Administrator |
| Job Description |
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 [data Base Design Analyst (profess. & Kin.)
039.162-014] Or Reviews Description Of Changes To Data Base
Design To Understand How Changes To Be Made Affect Physical Data
Base (how Data Is Stored In Terms Of Physical Characteristics,
Such As Location, Amount Of Space, And Access Method).
Establishes Physical Data Base Parameters. Codes Data Base
Descriptions And Specifies Identifiers Of Data Base To Data
Base Management System Or Directs Others In Coding Data Base
Descriptions. Calculates Optimum Values For Data Base
Parameters, Such As Amount Of Computer Memory To Be Used By
Data Base, Following Manuals And Using Calculator. Specifies
User Access Level For Each Segment Of One Or More Data Items,
Such As Insert, Replace, Retrieve, Or Delete Data. Specifies
Which Users Can Access Data Bases And What Data Can Be Accessed
By User. Tests And Corrects Errors, And Refines Changes To Data
Base. Enters Codes To Create Production Data Base. Selects And
Enters Codes Of Utility Program To Monitor Data Base
Performance, Such As Distribution Of Records And Amount Of
Available Memory. Directs Programmers And Analysts To Make
Changes To Data Base Management System. Reviews And Corrects
Programs. Answers User Questions. Confers With Coworkers To
Determine Impact Of Data Base Changes On Other Systems And
Staff Cost For Making Changes To Data Base. Modifies Data Base
Programs To Increase Processing Performance, Referred To As
Performance Tuning. Workers Typically Specialize In One Or More
Types Of Data Base Management Systems. May Train Users.
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