Use the operators / and % for ORDER BY and GROUP BY, respectively. Explain (i.e. document) the mnemonics that motivate these choices. The user should be able to use them inside SELECT-clause lists as well as stand-alone, and should be allowed in combination if desired; in other words, //, %%, /% and %/ should all carry the meaning of both options combined.
Use the operators
/and%for ORDER BY and GROUP BY, respectively. Explain (i.e. document) the mnemonics that motivate these choices. The user should be able to use them inside SELECT-clause lists as well as stand-alone, and should be allowed in combination if desired; in other words,//,%%,/%and%/should all carry the meaning of both options combined.