MDX: Tuple Vs Set

Tuple:

• It is a collection of members from different Dimension
• It Allows only one member from each dimension
• It is a Basic Unit to forming an axis
• As a rule, tuples are enclosed in parenthesis

Set:

• One or More tuples from same dimension,
• All tuples enclosed in a set with same order of dimensions

Set Can contains tuples and tuple can consist of dimensions.