1.创建普通试图

CREATE OR REPLACE VIEW FAST_BALANCE_TAB_VIEW AS

SELECT * FROM DUAL;

2.创建物化视图   
create materialized view FAST_BALANCE_TAB_MVVIEW
REFRESH FORCE ON DEMAND START WITH SYSDATE+(2/(24*3600)) AS
select * from Fast_Balance_Tab_View fidcard;

3.删除物化视图
drop materialized view mv_name