System Analysis and Design
The first step of the implementation phase is

prepare physical facilities
None of these
select the computer
implementation planning
announce the implementation project

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System Analysis and Design
Data manipulation language (DML)

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

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System Analysis and Design
The advantage of Purchase Option is (are)

All of these
No financing is requird. The risk of system obsolescence is shifted to the lessor
None of these
Insurances, maintenance, and other expenses are included in the rental charge
the flexibility of modifying the system at will

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