This is the second part of the series. In Part 1 [https://boristyukin.com/building-near-real-time-big-data-lake-part-i/] I wrote about our use-case for the Data Lake architecture and shared our success story. Requirements Before we embarked on our journey, we had identified high-level requirements and guiding principles. It is crucial to think
A silent killer > Sepsis is the body’s extreme response to an infection. It is a life-threatening medical emergency. Sepsis happens when an infection you already have —in your skin, lungs, urinary tract, or somewhere else—triggers a chain reaction throughout your body. Without timely treatment, sepsis can rapidly lead
Groovy’s groovy-sql module provides a higher-level abstraction over Java’s JDBC technology and it is very easy to use. You can find good examples, using groovy.sql.Sql class in API documentation [http://docs.groovy-lang.org/latest/html/api/groovy/sql/Sql.html] or Groovy documentation [http://groovy-lang.org/
Back in 2015, Alteryx announced [https://www.youtube.com/watch?v=GGkEd3KoMj0] a brand new set of In-Database tools, available to all customers with no additional license required. Alteryx keeps bringing amazing value to its customers without making them pay every time a great new future is announced. This is
Why Apache Kudu Apache Kudu is a recent addition to Cloudera's CDH distribution, open sourced and fully supported by Cloudera with an enterprise subscription. Created by Cloudera and HBase veterans and getting so much traction and press recently, Kudu is worth considering for your next Big Data architecture platform. Apache
This is the second part of my blog series, dedicated to healthcare analytics with Cerner. In the first part [https://boristyukin.com/healthcare-analytics-with-cerner-part-1-data-acquisition/] we've looked at different options on how to extract data from Cerner and this time we will focus on Cerner Millennium Data Model. > If you do not
Just finished reading a recently published book for QlikView developers and super users QlikView Your Business: An expert guide to Business Discovery with QlikView and Qlik Sense [http://www.wiley.com/WileyCDA/WileyTitle/productCd-1118949552.html] by Oleg Troyansky, Tammy Gibson and Charlie Leichtweis. I met Oleg Troyansky [https://www.linkedin.
I was looking for a good neat solution to remove multiple fields from my QlikView data model with similar names. These were temporary fields, needed during execution of the load script but no longer needed once script is finished. Unfortunately QlikView 11 does not allow something like that: DROP FIELD