All about the new free Neo4j 4.0 Certification. As a Neo4j Certified Professional, you may upgrade your skills passing another free online exam, for version 4. Here is all you need to know, with some recommended practice tests I published on Udemy and as a Kindle e-book.
Become a Couchbase Certified Java Developer in just a few days, using the recommended course, some high-quality practice tests and the referenced documentation.
End-to-end demo with the “Getting started” TICKIT sample used by AWS. Create and connect to an Amazon Redshift cluster. Create a demo schema and populate tables with data, with Redshift’s Query Editor. Connect from Data Xtractor, reverse engineer the data model and design rich queries, without even typing SQL.
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.