Question

What is the difference between join and relate in GIS?

• A. There is no difference, they both have one to many relationship
• B. Join has one to one relationship, and relate has one to many relationship
• C. Relate has one to one relationship, and join has one to many relationship
• D. There is no difference, they both have one to one relationship

Hint:

Exam Point: \[ \boxed{ \begin{aligned} \text{Join} &\rightarrow \text{Combines tables} \text{Relate} &\rightarrow \text{Links tables without merging} \end{aligned} } \] In standard GIS texts, Join is generally used for one-to-one (or many-to-one) relationships, while Relate supports one-to-many relationships.

Answer 1

The Correct Option is C