System Analysis and Design
Which of the following is used when a company goes outside its organization to develop a new system?

data flow diagram
request for proposal
systems flowchart
project dictionary

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System Analysis and Design
A Decision table

documents rules, that select one or more actions, based on one or more conditions, from a set of possible conditions.
represents the information flow
shows the decision paths
gets an accurate picture of the system

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System Analysis and Design
Data manipulation language (DML)

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

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