System Analysis and Design
Data manipulation language (DML)

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
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

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

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System Analysis and Design
The outstanding Invoice file should be stared on a Pardon Access Storage Device if

invoice data entry is on-line.
None of these
inquires concerning payable are to be answered on-line
payment recording is done in a batch rode
last record points to the first record

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