Search notes:
Power Query M formula language standard library: List.Difference
In the following
Power Query expression,
diff
is evaluated to the list
{"a", "c", "b"}
.
let
L1 = {"x", "y", "z"},
L2 = {"a", "y", "c", "x", "b"},
diff = List.Difference(L2, L1)
in
diff