Feb 242014
 

I dropped a materialized view (without the preserve table option), but the object still exists! Here’s a copy and paste from my session:

drop materialized view gone_for_good;

materialized view GONE_FOR_GOOD dropped.

select or_is_it
from   gone_for_good;

OR_IS_IT
--------
Nope!

-- covering off the easy option, 
-- there isn't a (public) synonym
-- with the same name:
select *
from   all_synonyms
where  synonym_name = 'GONE_FOR_GOOD';

no rows selected

How did this happen? Answers in the comments!

  2 Responses to “SQL Quiz: I dropped this materialized view, but can still select from it! How?”


  1. sokrates@11.2 > create table gone_for_good as
    2 select 'Nope!' as or_is_it from dual;

    Table created.

    sokrates@11.2 > create materialized view gone_for_good
    2 on prebuilt table as
    3 select 'Nope!' as or_is_it from dual;

    Materialized view created.

    sokrates@11.2 > drop materialized view gone_for_good;

    Materialized view dropped.

    sokrates@11.2 > select or_is_it
    2 from gone_for_good;

    OR_IS_IT
    --------
    Nope!

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