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 | Jan 11, 2017 | ETL Testing
Over the last few years, we have been working with a number of customers across various industries such as Life Sciences, Financial Services, Higher Education etc. While the problems related to data testing are similar across industries and JSON and flat files are...