Question: In order to extract data using a query, you need to plan and define a number of issues. Which one of the following is OPTIONAL,

In order to extract data using a query, you need to plan and define a number of issues. Which one of the following is OPTIONAL, i.e. not always required?

A. the statements you will use to extract data

B. the order in which the data will be displayed

C. the fields that you want to see in the query result

D. the tables from which you will extract the fields

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