System Analysis and Design
Sequential organization

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

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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
describes how data are structured in the data base
all of the listed here

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System Analysis and Design
Direct-access organization

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

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