Syntax

1. <predicate> ::=
     <between_predicate>
   | <bool_predicate>
   | <comparison_predicate>
   | <default_predicate>
   | <exists_predicate>
   | <in_predicate>
   | <join_predicate>
   | <like_predicate>
   | <null_predicate>
   | <quantified_predicate>
   | <rowno_predicate>
   | <sound_predicate>