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

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

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System Analysis and Design
Advantages of Relational Database Management systems are

All of these
Data independence since it allows the database to grow by adding new attributes and relations.
Security controls can be more easily implemented.
None of these
Flexibility, of relating different logical files

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