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workflow 发表于 2013-4-17 09:07 ![](static/image/common/back.gif)
系统完全real的不现实,实际上是混合在一起的
Agree, in traditional data warehousing scenario, it is very hard to achieve real time processing.
If you don't need real time OLAP, "Always On" feature in new SQL Server 2012 should be able to achieve "real time" reporting requirement without impacting OLTP. You could replicate the data from the primary to secondary (and 3rd, 4th) in a real-time fashion. You can even build index on the secondary different to the primary. |
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