IBM TM1 models can get messy fast, especially when you use alternate hierarchies and elements show up in multiple places. That's where the TM1DISTINCT MDX function quietly saves the day. Instead of blindly stripping out anything that "looks" duplicated, it understands TM1's hierarchies and only removes true duplicates – the exact same member in the exact same context The Problem: Why Regular DISTINCT Isn't Enough Imagine you're building a dynamic subset of Products. You pull all products under All Products, then union it with a special "Focus Products" consolidation. Now some products appear ...