System Analysis and Design
A hierarchical chart that divides a large program into modules, in which greater details is designed in successively lower programming levels, is called a

All of these
Structure
Scheme
sub-schema
None of these

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System Analysis and Design
Which of the following is not true of the conversion phase of the development life cycle?

documentation should be emphasized
the non machine components of the system should be considered
the user and systems personnel must work closely together
steps must be taken to phase out the old system

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System Analysis and Design
Data manipulation language (DML)

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

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