We cover here some missing features and details not properly addressed in the previous two articles, on migrating from a relational database to Apache Cassandra using Data Xtractor: static fields, secondary indexes, NULL values in the partition or cluster key fields etc.
Step-by-step complete functional and practical implementation of the example used by Artem Chebotko in his breakthrough whitepaper about data modeling for Apache Cassandra. The focus here is in the immediate easy migration from a relational database, and relational model, to denormalized queries and automatically generated OQL scripts.
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.