System Analysis and Design
Advantages of Relational Database Management systems are

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

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System Analysis and Design
A structure chart is

a statement of information processing requirements
None of these
a hierarchical partitioning of the program
a document of what has to be accomplished
All of these

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