select s.a as a, s.a + 1 as b from (select 10 as a) s; select s.a + 1 as a, s.a as b from (select 10 as a) s; select s.a + 1 as a, s.a + 1 as b from (select 10 as a) s; select s.a + 1 as b, s.a + 2 as a from (select 10 as a) s; select s.a + 2 as b, s.a + 1 as a from (select 10 as a) s; SELECT 0 as t FROM (SELECT 1 as t) as inn WHERE inn.t = 1; SELECT sum(value) as value FROM (SELECT 1 as value) as data WHERE data.value > 0; USE test; DROP TABLE IF EXISTS test; CREATE TABLE test (field String, not_field String) ENGINE = Memory; INSERT INTO test (field, not_field) VALUES ('123', '456') SELECT test.field AS other_field, test.not_field AS field FROM test; DROP TABLE test;