oracle create Force View
Force ... Forces The Creation Of A View Even When The View Will Be Invalid. NoForce Is The Default
强制建立一个view,即使创建后该view失效
SQL> select * from xyz; select * from xyz ORA-00942: 表或视图不存在 SQL> SQL> CREATE OR REPLACE FORCE VIEW view_force AS 2 SELECT * FROM xyz; Warning: View created with compilation errors SQL> SQL> SELECT OBJECT_NAME, STATUS 2 FROM USER_OBJECTS 3 WHERE OBJECT_TYPE = 'VIEW' 4 AND OBJECT_NAME='VIEW_FORCE'; OBJECT_NAME STATUS -------------------------------------------------------------------------------- ------- VIEW_FORCE INVALID SQL>