How can you define a variable that presents its value help hierarchically?

Create a level hierarchy and assign it to the variable.

•Ensure the variable's reference column is the top level of the hierarchy.

Create a parent-child hierarchy and assign it to the variable.

•Ensure the variable's reference column is the parent attribute of the hierarchy.

Create a parent-child hierarchy and assign it to the variable.

•Ensure the variable's reference column is the child attribute of the hierarchy.

Create a level hierarchy and assign it to the variable.

•Ensure the variable's reference column is the leaf level of the hierarchy.