Business Intelligence (BI) reporting systems are intended to create meaningful information from disparate data sources and to deliver that information to the proper users on a timely basis.
Indicate whether the statement is true or false
Question 2
When running a correlated subquery, the DBMS ________.
A) runs the lower SELECT statement by itself and then sends the results to the upper SELECT statement.
B) runs the upper SELECT statement by itself and then sends the results to the lower SELECT statement.
C) alternates running the lower SELECT statement with running the upper SELECT statement based on each result of the lower SELECT statement
D) Either A or B may be used depending on the query.
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Math for Business and Finance: an Algebraic Approach, 3rd Edition Jeffrey Slater