BETWEEN transformationsBETWEEN transformationsInternal transformation of statementsBETWEEN predicates
A BETWEEN predicate is transformed into equivalent predicates that use
the >= and <= operators, which are optimizable. For example:
flight_date BETWEEN DATE('2005-04-01') and DATE('2005-04-10')
is transformed into
flight_date >= DATE('2005-04-01')
AND flight_date >= '2005-04-10'