by Narendar Yalamanchilli | Jul 30, 2017 | ETL Testing
Type 2 Slowly Changing Dimensions are used in the Data Warehouses for tracking changes to the data by preserving historical values. This is achieved by creating a new record in the dimension whenever a value in the set of key columns is modified and maintaining start... by Narendar Yalamanchilli | Dec 9, 2016 | ETL Testing
Over the last few years, the Salesforce platform has become an incredible force in the market for various reasons. Of course, the most obvious use case is for the CRM capabilities. In addition, many organizations have started using the power of the force platform to... by Narendar Yalamanchilli | May 2, 2015 | ETL Testing
Most of the use cases that we encounter are for DW scenarios. However, recently, we are also seeing many scenarios for testing transactional systems. This blog is to highlight on one such example. The customer offers a survey related product and the... by Narendar Yalamanchilli | Feb 2, 2014 | ETL Testing
ETL testing applies to Data Warehouses or Data integration projects while Database Testing applies to any database holding data (typically transaction systems). Here are the high level tests done in each: ETL Testing : Primary goal is to check if the data moved... by Narendar Yalamanchilli | Jan 24, 2014 | ETL Testing
At a recent event, one of the prospects at the attendees came over to our booth and asked me to demonstrate a use case that was kind of interesting. I got a similar request from another prospect recently and thought that it might be a good idea to blog and show how it...