Condition for Set Difference
1. Both relations must have the same number of attributes.
2. The data type of their corresponding attributes must be the same.
Set Difference Operator in Relational Algebra
Relational Algebra is used to play with the data stored in relational databases. Relational Algebra has many operations to play with tables. One of the fundamental operations is set difference. This article will discuss Set Difference, its condition, and its examples.