You can include a comment of the following form in any MDX query or expression, at any place where white space is acceptable.
/* comment here */
You can include comments of the following forms as separate lines within an MDX query or expression.
You can also use the preceding two forms at the end of a line that contains MDX.
The following examples show valid MDX queries:
select /* change this later */ birthd.decade.members on 1 from patients
--comment select birthd.decade.members on 1 --comment from patients // comment //another comment