dda*_*ala 5 oracle materialized view
我使用以下代码创建了一个Materialized视图:
CREATE MATERIALIZED VIEW M_USER_HIERARCHY
BUILD IMMEDIATE
REFRESH COMPLETE
START WITH TO_DATE('25-Aug-2009 10:34:24','dd-mon-yyyy hh24:mi:ss')
NEXT SYSDATE + 1
WITH PRIMARY KEY
AS
SELECT * FROM V_USER_HIERARCHY;
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但是,我希望能够在执行此代码后更改START WITH日期.我一直在查看ALL_MVIEW_*表,但找不到START_DATE的设置.
有谁知道如何更改物化视图的START_WITH日期?
这真的很简单.
SQL> create materialized view emp_data
2 as select * from emp
3 /
Materialized view created.
SQL> ALTER MATERIALIZED VIEW emp_data
2 REFRESH COMPLETE
3 START WITH TRUNC(SYSDATE+1) + 12/24
4 NEXT SYSDATE+1
5 /
Materialized view altered.
SQL>
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