000000 type entity function rule constant if local repeat begin case else end_type end_entity end_function end_rule end_constant end_if end_local end_repeat end end_base else " , . / : ; [ \ ] { | } < = > 1(* 2*) 0-- of or to where subtype supertype abstract oneof not in and return then derive optional schema end_schema abs acos asin atan blength cos exists exp format hibound hiindex length lobound loindex log log2 log10 nvl odd rolesof sin sizeof sqrt tan typeof usedin value value_in value_unique query const_e pi self binary boolean integer logical number real string enumeration select array list bag set generic