Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Z] UBO (Usage Based Optimization) Wizard UDM (Unified Dimension Model) 2nd unexpected values, data quality issues unique key constraints in partitioned tables Unpivot transforms 2nd updated facts updating views for Analysis Services databases Usage Based Optimization (UBO) Wizard user access to data warehouses user ID, as report parameter user-defined types |