[Oracle] REF CURSOR

DECLARE     TYPE T_LIST IS TABLE OF VARCHAR2(20);     V_LIST        T_LIST;     TYPE T_CURSOR IS REF CURSOR;     V_CURSOR    T_CURSOR;     V_SQL        VARCHAR2(100); BEGIN     V_SQL := '         SELECT TITLE         FROM ATEST         WHERE SEQ IN (1,2,3)     ';     OPEN V_CURSOR FOR V_SQL;     FETCH V_CURSOR BULK COLLECT INTO V_LIST;     CLOSE V_CURSOR;     FOR I IN 1..V_LIST.COUNT     LOOP         DBMS_OUTPUT.PUT_LINE(V_LIST(I));     END LOOP; END;