Explain about a Cartesian product
Explain about a Cartesian product?
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Cartesian product:
It is the result of an unrestricted link of two or more tables. The outcome set of a three table Cartesian product, which will consist of x * y * z number of rows, here x, y, z correspond to the number of rows within each table included into the join.
Consider a MOVIE database in which data is recorded about the movie industry. The data requirements are summarized as follows: ¦ Each movie is identified by title and year of release. Each movie has a length in minutes. Each has a production company, and each is classified under one or more genre
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