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This is documentation for Caché & Ensemble. See the InterSystems IRIS version of this content.

For information on migrating to InterSystems IRIS, see Why Migrate to InterSystems IRIS?


This section discusses comments in DeepSee MDX queries and in stand-alone MDX expressions used within model definitions.


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.

-- comment


// comment

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
select birthd.decade.members on 1 --comment
from patients // comment
//another comment