System Analysis and Design
Branch mark programs are best characterized as

Simulator programs
Hallmarking
Actual system programs
None of these
Vendor software for applications

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System Analysis and Design
Data manipulation language (DML)

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
specifies for the DBMS what is required; the techniques used to process data

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System Analysis and Design
Sequential organization

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

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