Author Question: The last step in analyzing an ethical issue should be to identify the stakeholders. Indicate ... (Read 51 times)

naturalchemist

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The last step in analyzing an ethical issue should be to identify the stakeholders.
 
  Indicate whether the statement is true or false

Question 2

What is a derived table? When is it used? Can you describe any situations where you would have to use it over a subquery in the WHERE clause?
 
  What will be an ideal response?


tsternbergh47

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Answer to Question 1

FALSE

Answer to Question 2

A derived table can be created by placing a subquery within the FROM clause. The derived table is simply a temporary table in memory which can be accessed just like a table or view. Sometimes, these are referred to as inline views. A derived table is useful for situations where you need to create aggregate values (such as a sum) and then use these in another query. A derived table would be used instead of a subquery in cases where you need to display results from multiple tables. If the results need to come from a subselect, this is not possible, so we would have to use a derived table.



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