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Replication [message #359088] Thu, 13 November 2008 12:54 Go to next message
smunir362
Messages: 299
Registered: September 2007
Senior Member
AOA
I have created three materalized view (MV1 MV2 MV3) from different databases into a single database.
Now my requirement is I want a table which include some fields from all my materialized views but insertable.

Pls help me or if you have any other point tell me.
Re: Replication [message #359108 is a reply to message #359088] Thu, 13 November 2008 14:20 Go to previous messageGo to next message
babuknb
Messages: 1734
Registered: December 2005
Location: NJ
Senior Member

>>Now my requirement is I want a table which include some fields from all my materialized views but insertable

I am not able to understand your requirement.

Babu
Re: Replication [message #359119 is a reply to message #359088] Thu, 13 November 2008 15:30 Go to previous messageGo to next message
Littlefoot
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Registered: June 2005
Location: Croatia, Europe
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Would CTAS do the job? You know,
CREATE TABLE your_new_table
AS
SELECT mv1.col1, mv2.col4, mv3.col2
FROM mv1, mv2, mv3
WHERE mv1.id = mv2.id
  AND ...
Re: Replication [message #359120 is a reply to message #359119] Thu, 13 November 2008 15:33 Go to previous messageGo to next message
babuknb
Messages: 1734
Registered: December 2005
Location: NJ
Senior Member

>>CTAS do the job

CTAS Mean???

Babu

[Updated on: Thu, 13 November 2008 15:34]

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Re: Replication [message #359122 is a reply to message #359120] Thu, 13 November 2008 15:55 Go to previous messageGo to next message
Littlefoot
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Registered: June 2005
Location: Croatia, Europe
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CREATE TABLE AS SELECT ...

Also see CTAS
Re: Replication [message #359123 is a reply to message #359122] Thu, 13 November 2008 16:01 Go to previous messageGo to next message
babuknb
Messages: 1734
Registered: December 2005
Location: NJ
Senior Member


Thanks Littlefoot

Babu
Re: Replication [message #359278 is a reply to message #359123] Fri, 14 November 2008 08:59 Go to previous messageGo to next message
smunir362
Messages: 299
Registered: September 2007
Senior Member
Sorry for uncomplete requirements.
Actual requirements are as follows.

Materialized Views (MV1, MV2, MV3) these are on commit refresh.
Now I want a single materliazed view (some column from MV1, some from MV2 and some from MV3). But this materliazed view whould be insertable.
Re: Replication [message #359314 is a reply to message #359278] Fri, 14 November 2008 12:48 Go to previous messageGo to next message
babuknb
Messages: 1734
Registered: December 2005
Location: NJ
Senior Member


I think your going to create materialized view contain more then one materialized view.

It's should be read only not updatable.

Babu
Re: Replication [message #359416 is a reply to message #359278] Sat, 15 November 2008 13:59 Go to previous messageGo to next message
Littlefoot
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Location: Croatia, Europe
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So, you'd like to insert into a materialized view based on three materialized views which are based on certain tables (probably)?

Check what Materialized View Concepts and Architecture document says about read-only/updatable/writeable materialized views.

Just wondering: if there were NOT NULL table columns which are NOT part of the three materialized views, how do you plan to avoid the "can not insert null into ..." error?
Re: Replication [message #359460 is a reply to message #359416] Sun, 16 November 2008 12:40 Go to previous messageGo to next message
smunir362
Messages: 299
Registered: September 2007
Senior Member
It is my requirements. How can I do that
are materivalized views supported triggers on insert or update...
Or anyone have another idea.
Re: Replication [message #359903 is a reply to message #359460] Tue, 18 November 2008 12:12 Go to previous message
babuknb
Messages: 1734
Registered: December 2005
Location: NJ
Senior Member


>>are materivalized views supported triggers on insert or update

Mean??

Babu
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