End-to-end practical guide about denormalizing and migrating a relational database to Apache Cassandra, using Data Xtractor. It involves connecting to a PostgreSQL database from Data Xtractor, denormalizing tables through visual queries, exposing these queries in Chebotko diagrams, generating CQL scripts and data for Cassandra, and actually importing and querying data in a free cloud Cassandra instance.
Here is the proven method on how to become a Redis Certified Developer in just a few days, using only the Redis online documentation and high-quality practice tests.
These Cypher programming hacks in Neo4j could be seen by some like brilliant problem solving solutions, or like atrocious design flaws by others. They are hacks, because they do things in unusual ways. No matter what you think, you need to know about them.
Few people know, but you can get one free interesting IT Certification without paying a dime. All you need to become a Neo4j Certified Professional is to pass a free online exam with 80 multi-choice questions in one hour max. The passing scoring mark is 80%, so you can get wrong up to 16 questions and still succeed.
Some database vendors understood how valuable developers are for them. Others didn’t. And when their products will gradually fade, in favor of free open-source platforms easy to install and use, they will ask themselves why. I’ve seen this in the past and we assist today to another wave. People don’t change…