O MySQL assim como outros bancos de dados possibilita a c

A SELECT coluna1 FROM t1 AS x WHERE x.coluna1 = (SELECT coluna1 FROM t2 AS x WHERE x.coluna1 = (SELECT coluna1 FROM t3 WHERE x.coluna2 = t3.coluna1)) B SELECT coluna1 FROM t1 AS x WHERE x.coluna1 = SELECT coluna1 FROM t2 AS x WHERE x.coluna1 = SELECT coluna1 FROM t3 WHERE x.coluna2 = t3.coluna1 C SELECT coluna1 FROM t1 AS x WHERE x.coluna1 = (SELECT coluna1 FROM t2 AS x WHERE x.coluna1 = (SELECT FROM t3 WHERE x.coluna2 = t3.coluna1)) D SELECT coluna1 FROM t1 AS x WHERE x.coluna1 = (SELECT coluna1 FROM t2 AS x WHERE x.coluna1 = (SELECT coluna1 FROM t3 WHERE x.coluna2.t3.coluna1))