System Analysis and Design
Which of the following is the most critical requirement of a Passenger Reservation System?

printing of tickets
response time
None of these
graphical user Interface
ease of programming

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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
describes how data are structured in the data base
all of the listed here
determine how data must be structured to produce the user's view

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