constSQL='SELECT child_type.child_type_id, child_type.child_type_name, child_type.type_id, type.type_name FROM child_type INNER JOIN type ON child_type.type_id = type.type_id'
constSQL='SELECT child_type.child_type_id, child_type.child_type_name, child_type.type_id, type.type_name FROM child_type INNER JOIN type ON child_type.type_id = type.type_id'