Re: [GENERAL] Incremental refresh - Materialized view

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От Krithika Venkatesh
Тема Re: [GENERAL] Incremental refresh - Materialized view
Дата
Msg-id CAP7eca1jK1KoL0qk+tT7YOrAcjsJWvsjE7R6vKpnoYEbWEwbWA@mail.gmail.com
обсуждение исходный текст
Ответ на Re: [GENERAL] Incremental refresh - Materialized view  (John R Pierce <pierce@hogranch.com>)
Ответы Re: [GENERAL] Incremental refresh - Materialized view  (Rakesh Kumar <rakeshkumar464@outlook.com>)
Re: [GENERAL] Incremental refresh - Materialized view  (John R Pierce <pierce@hogranch.com>)
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Дерево обсуждения
Materialized view log is one of the feature in oracle. It creates a log in which the changes made to the table are recorded. This log is required for an asynchronous materialized view that is refreshed incrementally.

I read in the below link about incrementally refreshing the materialized view in postgresql:


Can someone let me how to do incremental refresh using Write Ahead Log

Thanks,
Krithika





On 07-Nov-2017 12:37 PM, "John R Pierce" <pierce@hogranch.com> wrote:
On 11/6/2017 10:38 PM, Krithika Venkatesh wrote:
I need to implement incremental refresh of materialized view.

Please let me know how to do the incremental refresh of materialized view in postgresql 9.5.9 version.

Is there anything similar to materialized view log in postgresql.


you refresh a materialized view with REFRESH MATERIALIZED VIEW name;    There's no 'incremental' methods, as views can be quite complex.

I do not know what you mean by 'materialized view log', is this a feature of some other database server ?



--
john r pierce, recycling bits in santa cruz



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