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The join where all possible row combinations are produced is called _________(a) INNER JOIN(b) OUTER(c) NATURAL(d) CARTESIANThe question was asked in semester exam.This question is from Performing Multiple topic in section Using SQL to Manage Data of MySQL

Answer»

Correct answer is (d) CARTESIAN

To explain I would SAY: In ‘cartesian PRODUCT’, each row of each table is COMBINED with each row in every other table to produce all POSSIBLE combination. This produces a very large number of rows SINCE the number is the product of rows.



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