System Analysis and Design
A feasibility study

None of these
includes a statement of the problems
considers a single solutions
a list of alternative solution considered
both (a) and (b)

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System Analysis and Design
Data Definition Language (DDL)

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

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System Analysis and Design
The approach used in top-down analysis and design is

to prepare flow charts after programming has been completed
to identify a top level function an d then create a hierarchy of lower-level modules and components.
all of the listed here
to identify the top level functions by combining many smaller components into a single entity

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