The ExistsJoin type exposes the following members.
Gets the enumeration of fixed variables in the algebra i.e. variables that are guaranteed to have a bound value.
Gets the enumeration of floating variables in the algebra i.e. variables that are not guaranteed to have a bound value.
Gets the LHS of the Join.
Gets whether this is an EXISTS join.
Gets the RHS of the Join.
Gets the Variables used in the Algebra.