System Analysis and Design
A system analyst designs a new system by

propose alternatives to the current system
identifying sub systems and the interfaces between sub systems
adopting a developed system to the present environment
developing the system as a large, single unit
None of these

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System Analysis and Design
Data Definition Language (DDL)

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
specifies for the DBMS what is required; the techniques used to process data

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System Analysis and Design
Sequential organization

uses an index for each key type
Stores records sequentially but uses an index to locate records
None of these
has records placed randomly throughout the file
means storing records in contiguous blocks according to a key.

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