WHAT IS CARTESIAN PRODUCT?

Answer Posted / shivaleela

Cartesian product:- It is a type of join in which the
number of rows in the result table is the product of the
number of rows in each table.It is also called as CROSS JOIN

Eg:-

SELECT * FROM A,B

or (can be writen as)

SELECT * FROM A CROSS JOIN B


if A has 10 records n B has 8 records than the output of
above query will b 80 records(10*8=80 RECORDS).

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