MS Access NO NO NO YES ODBC YES NO YES YES + Y UNION YES YES N Y +' '+ Y Q N N N Y MSys NO NO 'dd/mm/yyyy HH:m:s' {!d 'yyyy-mm-dd'} . DatePart('YYYY', $D) DatePart('Q', $D) DatePart('M', $D) + - * / NOT OR XOR AND IS NOT NULL IS NULL >= <= = <> > < IN NOT IN LIKE NOT LIKE BETWEEN AND NOT BETWEEN AND Mod Imp ^ Eqv min($1) max($1) avg($1) sum($1) count($1) {fn ascii($1)} {fn char($1)} {fn concat($1,$2)} left($1,$2) ltrim($1) len($1) instr($1,$2) lcase($1) right($1,$2) rtrim($1) mid($1,$2,$3) ucase($1) abs($1) cos($1) {fn ceiling($1)} exp($1) {fn floor($1)} log($1) {fn mod($1,$2)} rnd($1) sgn($1) sin($1) sqrt($1) tan($1) date() {fn dayofweek($1)} {fn dayofmonth($1)} {fn dayofyear($1)} int({fn week($1)}) {fn month($1)} {fn year($1)} datepart('q',$1) int($1) strcomp($1,$2,$3) now() IIf($1, $2, $3) choose($1, $2) isnull($1) @prompt($1,'A',,,) @prompt($1,'N',,,) @prompt($1,'D',,,) LEFT($1,LEN($1)) LEFT($1,LEN($1))