System Analysis and Design
The model base cannot be prepared until

the computer has been selected
the preparation of physical facilities
the MIS staff has been acquired and organized
None of these
both (a) and (b)

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System Analysis and Design
Data Definition Language (DDL)

specifies for the DBMS what is required; the techniques used to process data
determine how data must be structured to produce the user's view
all of the listed here
describes how data are structured in the data base

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System Analysis and Design
Data manipulation language (DML)

determine how data must be structured to produce the user's view
describes how data are structured in the data base
all of the listed here
specifies for the DBMS what is required; the techniques used to process data

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