Traditional ETL vs ELT on Hadoop

ETL ETL stands for Extract, Transform and Load. The ETL process typically extracts data from the source / transactional systems, transforms it to fit the model of data warehouse and finally loads it to the data warehouse. The transformation process involves cleansing, enriching, and applying transformations to create the desired output. Data is usually dumped … Read more

Language for Business Made Easy with Ab Initio Express> IT

Ab Initio Express>IT Architecture To leverage the benefits of Express>IT, first let’s understand the architecture and the components of this product with the help of an example. IT Flow”> Rule Generator Utility A business user creates a text/excel file with the rules that he has to implement. After analysis of the text file by the … Read more

Understanding the Hadoop Adoption Roadmap

hadoop-roadmap-min

Stage 1: Understanding and Identifying Business Cases As with every technology switch, the first stage is often understanding the new technology and tool stack as well as propagating the benefits that the end user and the organization sees. At this stage looking at your current system with a close eye helps to identify the business … Read more