System Analysis and Design
Any data that are entered into the computer, for the first time, will go through the process of

System testing
Validation
String testing
Sequential testing
None of these

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System Analysis and Design
Data Definition Language (DDL)

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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System Analysis and Design
Sequential organization

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

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