我的数据库中有3个用户(模式)。
用户A持有表X
我为用户B创建了视图Y,为用户C创建了视图Z。视图是相同的:
CREATE OR REPLACE FORCE EDITIONABLE VIEW "user_name"."view_name" ("field_1", "field_2") AS
SELECT field1_1
, field2_2
FROM User_A.X;第一个视图工作正常;对于第二个视图,我试图查看数据(来自)时出错如下:
ORA-04063:查看"User_C.Z“有错误。
我尝试用SQL +创建它:它是用编译错误创建的,但是“显示错误”命令返回“无错误”。
有什么建议吗?
发布于 2018-02-02 09:58:39
show errors SQL*Plus命令默认为为最后创建的PL/SQL对象报告错误。要显示视图的错误,必须指定它:
SQL> create or replace force view someview as select * from nosuchtable;
Warning: View created with compilation errors.
SQL> show errors
No errors.
SQL> show errors view someview
Errors for VIEW SOMEVIEW:
LINE/COL ERROR
---------- --------------------------------------------------------------------
0/0 ORA-00942: table or view does not exist
0/0 ORA-54039: table must have at least one column that is not invisible或者您只需查询user_errors
SQL> select line, text from user_errors where name = 'SOMEVIEW' order by sequence;
LINE TEXT
---- --------------------------------------------------------------------------------
0 ORA-54039: table must have at least one column that is not invisible
0 ORA-00942: table or view does not exist如果您真的将它命名为"view_name" (双引号),那么您需要以完全相同的方式引用它,包括大小写和引号。
show errors view "someview"
select line, text from user_errors where name = 'someview' order by sequence;或者,尝试在没有force选项的情况下创建视图:
SQL> create or replace view someview as select * from nosuchtable;
create or replace view someview as select * from nosuchtable
*
ERROR at line 1:
ORA-00942: table or view does not exist或者,在没有create view部件的情况下单独测试查询:
SQL> select * from nosuchtable;
select * from nosuchtable
*
ERROR at line 1:
ORA-00942: table or view does not exist发布于 2018-09-24 06:47:04
通常,当从视图的任何表中修改或删除属性名称时,我也会遇到同样的问题,然后就会发生此错误。我从表中删除了一个列并得到了这个错误,为了解决这个错误,我在删除视图中存在但在表中不存在的属性之后重新创建了该视图。
https://stackoverflow.com/questions/48579812
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