Validation Rules
In planning models, you can define valid ranges of data that allow data entry and planning operations.
Dimension Combination Rules
A specific type of validation rule are the dimension combination rules that let you define the allowed member combinations across dimensions to prevent improper data entry and planning operation in stories based on this model. For the dimensions you define in a dimension combination rule, only the member combinations that you specify as allowed combinations can pass validation.
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ญExample
Let's say that certain products are allowed to be sold in limited
locations. You create a dimension combination rule between the product dimension and
location dimension members. Planning users can do planning only for the allowed
combinations of products and locations.