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

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

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System Analysis and Design
Advantages of Relational Database Management systems are

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

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