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

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

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