System Analysis and Design
Which of the following is not an advantage of the structured approach to system development?

the documentation is Cumulative
the user area is studied thoroughly
None of these
it focuses on the physical aspects of the system
the system specification is very graphic

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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
Direct-access organization

Stores records sequentially but uses an index to locate records
has records placed randomly throughout the file
uses an index for each key type
means storing records in contiguous blocks according to a key.

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