Using Oracle Big Data SQL to Add Dimensions and Attributes to Hadoop Reporting

Sunday, January 11th, 2015 by

In a previous post I looked at using Oracle’s new Big Data SQL product with ODI12c, where I used Big Data SQL to expose two Hive tables as Oracle external tables, and then join them using the BETWEEN operator, something that’s not possible with regular HiveQL. In this post I’m going to look at using […]

Top 10 Rittman Mead Blog Posts from 2014

Wednesday, December 31st, 2014 by

It’s the afternoon of New Year’s Eve over in the UK, so to round the year off here’s the top 10 blog posts from 2014 from the Rittman Mead blog, based on Google Analytics stats (page views for 2014 in brackets, only includes articles posted in 2014) Using Sqoop for Loading Oracle Data into Hadoop […]

Connecting OBIEE11g on Windows to a Kerberos-Secured CDH5 Hadoop Cluster using Cloudera HiveServer2 ODBC Drivers

Sunday, December 28th, 2014 by

In a few previous posts and magazine articles I’ve covered connecting OBIEE11g to a Hadoop cluster, using OBIEE 11.1.1.7 and Cloudera CDH4 and CDH5 as the examples. Things get a bit complicated in that the DataDirect Apache Hive ODBC drivers that Oracle ship are only for HiveServer1 and not the HiveServer2 version that CDH4 and […]

OBIEE and ODI on Hadoop : Next-Generation Initiatives To Improve Hive Performance

Thursday, December 18th, 2014 by

The other week I posted a three-part series (part 1, part 2 and part 3) on going beyond MapReduce for Hadoop-based ETL, where I looked at a typical Apache Pig dataflow-style ETL process and showed how Apache Tez and Apache Spark can potentially make these processes run faster and make better use of in-memory processing. […]

Rittman Mead BI Forum 2015 Call for Papers Now Open!

Wednesday, December 17th, 2014 by

I’m very pleased to announce that the Call for Papers for the Rittman Mead BI Forum 2015 is now open, with abstract submissions open to January 18th 2015. As in previous years the BI Forum will run over consecutive weeks in Brighton, UK and Atlanta, GA, with the provisional dates and venues as below: Brighton, […]

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