System Analysis and Design
Advantages of Relational Database Management systems are

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

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System Analysis and Design
A menu-driven system

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

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