Which of the following is the operation developed specifically for the relational databases?
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Which of the following is the operation developed specifically for the relational databases?

(a) Union (b) Cartesian product

(c) Division (d) Difference
in Databases
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(b) Cartesian product …

 

The cartesian product is implemented in SQL as the Cross join operator…

The cartesian product (X) of two relations is a join that is not restricted by any criteria, resulting in every tuple of the first relation being matched with every tuple of the second relation…

The cartesian product is implemented in SQL as the Cross join operator...

 

1. https://en.wikipedia.org/wiki/Relational_database 

 

 

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