We are using ElasticSearch for search capability in our product. This works fine. Now we want to provide self service Business intelligence to our customers. Reporting on the operational database ...

Looking for the high-level differences/comparison among Database Data Mart (Top-down approach) Data Warehouse Data Lake Data Lakehouse Please use relative comparison when specifics are not availa...

What is the exact difference between fact-less fact and fact table ? I have perused couple of articles but they weren't cogent

I am a learner in Big data concepts. Based on my understanding Big Data is critical in handling unstructured data and high volume.When we look at the big data architecture for a datawarehouse...

The terms are used all over the place, and I don't know of crisp definitions. I'm pretty sure I know what a data mart is. And I've created reporting cubes with tools like Business Objects and Cogno...

What makes access to OLAP Cubes/Datamarts and similar datastructures, faster than to relational databases? EDIT A bounty of 200 will be provided asap.