System Analysis and Design
Advantages of Relational Database Management systems are

Flexibility, of relating different logical files
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

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System Analysis and Design
A menu-driven system

presents options and allows the user to make selections
is required only for on-line systems
None of these
can be used only by computer professionals
increases the operator's work

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