System Analysis and Design
Direct-access organization

has records placed randomly throughout the file
uses an index for each key type
means storing records in contiguous blocks according to a key.
Stores records sequentially but uses an index to locate records

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System Analysis and Design
Sequential organization

has records placed randomly throughout the file
None of these
Stores records sequentially but uses an index to locate records
means storing records in contiguous blocks according to a key.
uses an index for each key type

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System Analysis and Design
Data manipulation language (DML)

all of the listed here
describes how data are structured in the data base
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

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System Analysis and Design
The Turnaround is

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

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