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Start your free trialAmadou Diallo
5,373 PointsWhy don't we just use INNER JOIN instead of INTERSECT?
Why don't we just use INNER JOIN instead of INTERSECT since they do, I think, the same thing?
1 Answer
Steven Parker
231,269 PointsThey can have the same final result; but a JOIN
adds an additional source to a single query based on specific matching criteria, and INTERSECT
combines two complete queries (two SELECT
s) that return identical columns.
Ryan Hartigan
3,426 PointsRyan Hartigan
3,426 PointsWhat do you mean by an additional source to a single query?
Steven Parker
231,269 PointsSteven Parker
231,269 PointsI mean pulling data from the columns of two (or more) tables.