upper — returns upper case version of string argument


upper ( str string );


ucase returns a copy of string str with all the lowercase alphabetical characters converted to corresponding uppercase letters. This includes also the diacritic letters present in the ISO 8859/1 standard in range 224 - 254 decimal, excluding the character 255, y diaeresis, which is not converted to a German double-s.

upper is just an alias for ucase.

ucase('AbracadabrA')  -> 'ABRACADABRA'