System Analysis and Design
Advantages of Relational Database Management systems are

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

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System Analysis and Design
The background and experience of analyst include;

All of these
None of these
competence in system tools and methodologies and a practical knowledge of one or more programming and data base languages.
familiarity with the makeup and inner workings of major application areas such as financial accounting, personnel administration, marketing and sales, operations management, model buil
a background in systems theory and organization behavior

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System Analysis and Design
In a Decision tree

all of the listed here
the root is drawn on the left and is the starting point on the decision sequence
the branch, to be followed, depends on the conditions and decisions, to be made
the nodes represent the conditions, with the right wise of tree listing the actions to be taken

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