Question: a method to determine whether a subquery is correlated or non-correlated is by observing if: (choose the most comprehensive answer) a) a column in the

a method to determine whether a subquery is correlated or non-correlated is by observing if: (choose the most comprehensive answer)

a) a column in the SELECT clause of the main query is in the subquery

b) a column from the table of the main query is in the subquery

c) a column in the SELECT clause of the subquery is in the main query

d) a column in the WHERE clause of the main query is in the subquery

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