A new benchmark of SQL-on-Hadoop engines Impala, Spark and Hive finds they each have their own strengths and weaknesses when it comes to Business Intelligence (BI) workloads.

MongoDB and CouchDB: vastly different queries. how-to. Sep 1, 2010 3 mins. Java NoSQL Databases Open Source. ... SQL slips in language popularity index. By Paul Krill. Jun 9, 2025 3 mins.

Ok, I'm at a client site where they want to make a program database independent. This is a rewrite of an existing program that used an Access database only. I asked the person in charge how they ...