System Analysis and Design
Data Definition Language (DDL)

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

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System Analysis and Design
The Turnaround is

the key information of programming
a program statement that violates one or more rules of the language in which it is written
None of these
a group of related fields
the elapsed time between the receipt of the input and the availability of the output

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