Big Data News: HUG Ireland’s 1st 2016 Big Data Event, Airbnb’s Predictive Model using NPS and Hive Optimization

Uli Bethke Apache, Big Data, Business Intelligence, Data Warehouse, ETL, Hadoop, Hive, HUG Ireland, Technology

Hadoop User Group (HUG) Ireland packed the house with a great evening on Apache Mesos/Myriad and an overview of Airbnb’s Predictive Model After a restful holiday season, the new year kicked off in style for Hadoop User Group (HUG) Ireland with its opening 2016 event at Synchronoss on January 11th. We heard from Mary Mangru, President of DAMA Ireland about ...

Big Data News - LinkedIn’s Ops team raises it’s Hadoop game with “Rewinder”

Uli Bethke Business Intelligence, Distributed Computing, Technology

LinkedIn’s new “Rewinder” tool outshines Apache Resource Manager and Job History Server on its Hadoop clusters… SIREn Solutions announces Kibi Another week has passed where the team at Sonra have been impressed with developments in our big data community. LinkedIn is a big data company, which also happens to do other stuff that pays the bills and has faced the ...

Technology with Databricks, Xpoint™ and Doradus…

Uli Bethke Big Data, Cloud

Technology and Big Data movers... A week of wonder in review... This week saw a number of exciting ideas and announcements reach the Tech community that signals how it can positively impact the world. Taking a look at some of the highlights, I think we can get excited about the following: Burak Yavuz , Software Engineer at Databricks blogged about ...

Tricks with SQL: Beware of the Predicate in the Outer Join

Uli Bethke SQL

Today we will have a look what happens when we place a filter condition into an outer join. We will also have a look at how this compares to placing the filter condition into the WHERE clause. Finally we'll have a look where this could be useful. Let's first create some sample data.

Let's run our first outer join ...