System Analysis and Design
The term Parallel Run refers to

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

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System Analysis and Design
In Decision trees

All of these
nodes represent the conditions, with the right side of tree listing the actions to be taken
None of these
the root is drawn on the left and is the starting point on the decision sequence.
the branch depends on the condition and decisions to made

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System Analysis and Design
Data manipulation language (DML)

specifies for the DBMS what is required; the techniques used to process data
determine how data must be structured to produce the user's view
all of the listed here
describes how data are structured in the data base

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