System Analysis and Design
Advantages of data base system is (are)

data are stored once in the data base and are easily accessible when needed
all applications share centralized files
all of the listed here
storage space duplication is eliminated

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System Analysis and Design
Which of the following is not a characteristic of structured system development?

the use of graphical tools, such as data-flow diagrams, to model system
All of these
None of these
specification of the interfaces between modules
partitioning of systems into manageable levels of detail

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