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This paper has described the function and design attributes of a user-oriented data manipulation and retrieval system intended for the nonprogrammer user. The acceptance of the system, by those who have used it, is sufficient to demonstrate its feasibility to maintain small-to-moderate-size data bases for users who do not require the resources of larger data-base systems for routine tasks. The considerations and techniques given here relate specifically to DBRS, but should be applicable in principle to similar systems. The prime advantages of this approach have been: • Ability of the user to use the system without need for assistance from system or programmer personnel. •Immediate, on-line data-base definition, data entry, and reporting capabilities. •Ease of change and new function definition within the system, both for the users and the designers.
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