System Analysis and Design
Which of the following is not a characteristic of structured system development?

partitioning of systems into manageable levels of detail
specification of the interfaces between modules
the use of graphical tools, such as data-flow diagrams, to model system
All of these
None of these

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System Analysis and Design
Advantages of Relational Database Management systems are

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

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