System Analysis and Design
Advantages of Relational Database Management systems are

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

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System Analysis and Design
In the system concepts, term Integration

means that parts of the computer system depend on one another
refers to the holism of systems
refers to the manner in which each component functions with other components of the system.
implies structure and order

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