System Analysis and Design
The term Parallel Run refers to

the concurrent operation of an existing system and a new system
None of these
the processing of two different jobs initiated from two terminals.
All of these
the same job run on two different computer to test their speeds

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System Analysis and Design
Advantages of Relational Database Management systems are

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

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