System Analysis and Design
In Decision trees

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

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System Analysis and Design
Data manipulation language (DML)

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

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