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During systems planning and selection: Select one: a . database and file definitions are prepared. b . a logical model ( relational ) is prepared.

During systems planning and selection:
Select one:
a. database and file definitions are prepared.
b. a logical model (relational) is prepared.
c. physical files and database designs are prepared.
d. an enterprise-wide data model is prepared.
e. a conceptual data model (E-R with attributes) is prepared.
Clear my choice
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