A. ________ is a description of the database structure. Data independence makes each level immune to changes

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A. ________ is a description of the database structure. Data independence makes each level immune to changes to lower levels.

__________ refers to the Immunity of the external schemes to changes in the conceptual schema. ___________refers to the Immunity of the conceptual schema to changes in the internal schema. Complete the spaces above using one of the keywords:

Relation, Physical data independence, Logical data independence, Integrity constraint, Validity constraint, Database schema.

Related Book For answer-question

Managerial accounting

ISBN: b010ikdqzm

10th Edition

Authors: Carl S. Warren, James M. Reeve, Jonathan E. Duchac

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Posted Date: Jun 14, 2019 09:45 AM

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A. ________ is a description of the database structure. Data independence makes each level immune to changes

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A database schema is a description of the database structure Data ... View the full answer

Managerial accounting

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