View materialized acting strangely

Hello world

I have a weird behavior with a materialized view.

Let's assume, I have a defined as base table
CREATE TABLE TEST
(
 ...
  NAME VARCHAR2(100)
...
)
And a MView defined on this table. If I have
alter table TEST modify column name varchar2(255)
and I dbms_mview.refresh my opinion, the type of data in the mview is not updated. Can someone tell me why? It is basically an opinion, why it's not updating?

Thanks for your advice,

You will need to delete and recreate the view, Yes.

Tags: Database

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