Can OLAP be done in BigTable?

Question

In the past I used to build WebAnalytics using OLAP cubes running on MySQL. Now an OLAP cube the way I used it is simply a large table (ok, it was stored a bit smarter than that

Answer 1

We managed to create low latency OLAP in HBase by preagragating a SQL query and mapping it into appropriate Hbase qualifiers. For more detail visit below site.

http://soumyajitswain.blogspot.in/2012/10/hbase-low-latency-olap.html