CREATE TABLE T1 (
    ID   INTEGER NOT NULL,
    VAL  VARCHAR(10)
);
ALTER TABLE T1 ADD CONSTRAINT PK_T1 PRIMARY KEY (ID);

CREATE TABLE T2 (
    T1_ID  INTEGER NOT NULL
);
ALTER TABLE T2 ADD CONSTRAINT PK_T1_ID PRIMARY KEY (T1_ID);

CREATE VIEW V_T1 (
   ID,
   VAL )
AS
SELECT ID,
       VAL
  FROM T1
 WHERE ID = ANY( SELECT T1_ID FROM T2 )
;