January 5, 2009 at 3:50 am
Is it possible to have partition across multiple databases having same schema?
If not than do we have any better alternatives?
I am working on Datawarehouse application where previous DAY data are static and current day (today) data will change continously. I am thinking of having today's data into seperate database and previous days data into different database with READONLY database.
January 5, 2009 at 4:27 am
Paresh Randeria (1/5/2009)
Is it possible to have partition across multiple databases having same schema?If not than do we have any better alternatives?
I am working on Datawarehouse application where previous DAY data are static and current day (today) data will change continously. I am thinking of having today's data into seperate database and previous days data into different database with READONLY database.
Actually that has been the first implementation of partitioning by Microsoft.
Nowadays we have partitioned databases, where you can put data of a single table in to different physical partitions (filegroups). Each partition can have its own management (read only/readwrite, index rebuild, backup strategy, ...)
Since partitioning is an advanced topic, it is highly recommendable to read BOL and to read the white paper on partitioning.
(make sure you have the latest version of BOL !)
-SQL2005 http://msdn.microsoft.com/en-us/library/ms188706(SQL.90).aspx
-SQL2008 http://msdn.microsoft.com/en-us/library/ms188706.aspx
If you still insist on having the online data in a separate database, just create a view that unions both tables. (database ownership chaining ON to prevent authority issues) and pull over the "online" data at a certain point of the day.
Johan
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