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Question: What is the difference between cross product & Cartesian product?

Answer: There is no difference between Cartesian product and cross join.
although there syntax are different but they work as a same.

Cartesian or cross product selects all rows from both the table.
example

tableA 6 rows
tableB 6 rows

Cartesian or cross product
36 rows.



Category SQL Interview Questions & Answers - Exam Mode / Learning Mode
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Question: What is the difference between cross product & Cartesian product?
Answer:

There is no difference between Cartesian product and cross join.
although there syntax are different but they work as a same.

Cartesian or cross product selects all rows from both the table.
example

tableA 6 rows
tableB 6 rows

Cartesian or cross product
36 rows.
Source: CoolInterview.com

Answered by: sumit bahuguna | Date: 1/5/2009 | Contact sumit bahuguna Contact sumit bahuguna

A cross join that does not have a 'where' clause gives the casterian product.
Casterian product resultset contains no of rows in first table multiplied by no of rows in second table. Source: CoolInterview.com

Answered by: Neena Dutta | Date: 2/6/2009 | Contact Neena Dutta Contact Neena Dutta


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