-- Text
You can use a double dash to create a comment anywhere within an ij command line and as permitted by the underlying connection within SQL commands. The comment is ended at the first new line encountered in the text.
Comments are ignored on input and have no effect on the output displayed.
ij> -- this is a comment; -- the semicolons in the comment are not taken as the end -- of the command; for that, we put it outside the --: ; ij>