System Analysis and Design
Advantages of Relational Database Management systems are

All of these
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

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System Analysis and Design
A structure chart is

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

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