Some links to get started with some of the various vendor technologies that integrate with Hadoop.
Azure HDInsight with Hadoop 2
http://www.windowsazure.com/en-us/solutions/big-data/
PowerQuery for Excel 2010/2013-- connect to Hadoop
http://www.microsoft.com/en-us/download/details.aspx?id=39379
Try out SAP HANA
http://www.saphana.com/community/try
Try out SAP Lumira or use free at home
http://www.saphana.com/community/learn/solutions/sap-lumira
Hadoop on a VM
http://edataanalyst.com/2013/08/hands-on-hadoop-tutorial-with-hortonworks-sandbox-vm-part-1-the-boss-edition/
Some articles around Oracle & Hadoop & tying it all together
http://blog.gbrueckl.at/2013/11/sap-hanas-big-data-scenario-with-power-bi/
http://www.oracle.com/technetwork/database/bi-datawarehousing/twp-integrating-hadoop-data-with-or-130063.pdf
Oracle vs. Couchbase - from Oracle
http://www.oracle.com/technetwork/products/nosqldb/documentation/nosql-vs-couchbase-1961718.pdf
Oracle vs. Couchbase -from the Comparison Wiki
http://vschart.com/compare/oracle-coherence/vs/couchbase
Next Hadoop (THUG) meetup in Toronto with Don Pinto from Couchbase.
http://www.meetup.com/TorontoHUG/events/169706762/