System Analysis and Design
Which of the following activities, does not belong to the Implementation phase of the SDLC?

Program testing
User training
None of these
File conversion
All of these

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System Analysis and Design
Data Definition Language (DDL)

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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System Analysis and Design
Data manipulation language (DML)

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
all of the listed here

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