System Analysis and Design
On a systems flowchart, the online manual keeping of input data is identified by using the

keeping operation symbols
manual operation symbols
online keyboard symbol
online keyboard symbol

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System Analysis and Design
Sequential organization

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

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System Analysis and Design
Data manipulation language (DML)

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
describes how data are structured in the data base

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