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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