Q. What is Cartesian product? How is it related to join?
Answer: -
The unrestricted join or Cartesian product of two tables is a relation that contains all possible concatenations of all rows of both the participating relations (tables).
• The function of combining data from multiple tables is called joining. The joining of two tables can be restricted (i.e., based on some condition) or unrestricted (i.e., no binding condition).
Post a Comment
You can help us by Clicking on ads. ^_^
Please do not send spam comment : )