##
CASE WHEN INSTR(TRANSLATE(foo,
'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX'),
'X')>0
THEN 'Alpha' ELSE 'No Alpha' END
##
##
CASE WHEN LENGTH(TRANSLATE(foo,
'#abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
'#'))<>LENGTH(foo)
THEN 'Alpha' ELSE 'No Alpha' END