September 5, 2008 at 8:05 am
Hi,
I think SQL Server cube data is stored physically on disk. This is because the cube will hold pre-aggregated data across the specified diemnsions. If the data is physically stored then it will be retrieved fast for reporting purpose.
Can someone add more views?
Regards - JL
April 16, 2010 at 2:17 am
Olap data is stored in Olap DB
April 16, 2010 at 7:52 am
Jitendra Luniya (9/5/2008)
I think SQL Server cube data is stored physically on disk. This is because the cube will hold pre-aggregated data across the specified diemnsions. If the data is physically stored then it will be retrieved fast for reporting purpose.
Answer is... Yes, may be 😀
Let me quote Microsoft documentation about it, nothing is more clear than that... "Storage may include only the cube metadata, or may include all of the source data from the fact table as well as the aggregations defined by dimensions related to the measure group. The amount of data stored depends upon the storage mode selected and the number of aggregations."
Hope this helps.
_____________________________________
Pablo (Paul) Berzukov
Author of Understanding Database Administration available at Amazon and other bookstores.
Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.April 19, 2010 at 5:10 am
PaulB-TheOneAndOnly (4/16/2010)
Jitendra Luniya (9/5/2008)
I think SQL Server cube data is stored physically on disk. This is because the cube will hold pre-aggregated data across the specified diemnsions. If the data is physically stored then it will be retrieved fast for reporting purpose.Answer is... Yes, may be 😀
Let me quote Microsoft documentation about it, nothing is more clear than that... "Storage may include only the cube metadata, or may include all of the source data from the fact table as well as the aggregations defined by dimensions related to the measure group. The amount of data stored depends upon the storage mode selected and the number of aggregations."
Hope this helps.
More information about the storage modes:
http://www.sql-server-performance.com/articles/biz/ssas_storage_modes_p1.aspx
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