Databases Resources

5 Absolutely Must-Know Differences Between JOINs and Sub-Queries in DB2

JOINs and sub-queries are similar but different. See what you can do with them and when it's best to use one one over the other.

August 27, 2016

by Srini Pesala

· 30,140 Views · 1 Like

Authenticating API Clients With JWT and NGINX Plus

This is the first in a six‑part series of blog posts that explore the new features in NGINX Plus R10 in depth. Let's start with authentication and JSON Web Tokens.

August 27, 2016

by Liam Crilly

· 11,591 Views · 4 Likes

Visualizing Your Data With MongoDB Compass

If you're using MongoDB, take a look at the Compass, a GUI designed to help you get a better look at your data without getting lost.

August 26, 2016

by Jason Ma

· 34,487 Views · 2 Likes

RESTful APIs and Media-Types

Think the standard application/json is the only media type RESTful services should be serving up? Think again. Read on for more information.

August 26, 2016

by Rob Allen

· 16,665 Views · 4 Likes

Apache Ignite 1.7: Welcome Non-Collocated Distributed Joins!

Check out a new tool in Ignite 1.7.0 — the ability to perform non-collocated distributed joins. At the cost of some performance, you are no longer tied to collocation.

August 24, 2016

by Denis Magda

CORE

· 5,759 Views · 6 Likes

The Art of Data Logging

If you're working with IoT, you're dealing with significant amounts of data you don't want to lose. You need a logging solution to responsibly manage your throughput.

August 24, 2016

by Darren Perucci

· 8,784 Views · 3 Likes

How To Auto-Generate DTOs

Don't like writing DTOs? Automate it. See how you can use some Java and SQL together to automatically generate DTOs.

August 23, 2016

by ZZG Zhou

· 35,433 Views · 2 Likes

About Transparent Persistence

Here's an overview of transparent persistence in action and why it can be an invaluable concept. Go through the steps of setting up your own persistent ORM.

August 23, 2016

by Enrique Molinari

· 5,453 Views · 3 Likes

Environmental Monitoring with TPS, Azure, and PowerBI

Learn how to collect environmental data with Tibbo Project System devices, process it with Azure Stream Analytics and visualize using Power BI.

August 22, 2016

by Dmitry Slepov

· 4,246 Views · 2 Likes

How Apache Spark Makes Your Slow MySQL Queries 10x Faster (or More)

For long running queries, Spark can use all cores on all cluster nodes.

August 22, 2016

by Alexander Rubin

· 33,308 Views · 15 Likes

Spring Cloud Netflix: How Service Registration and Discovery Work

See how to integrate some of Netflix's toys into your own Spring Boot project with examples of service registration and discovery.

August 22, 2016

by Rafael Salerno

· 29,941 Views · 14 Likes

Design a Fluent API in Java

Learn how to design an API that invokes a series of methods, making it fluent, while using Java.

August 22, 2016

by Shaamik Mitraa

· 72,701 Views · 36 Likes

Diagnosing and Fixing Cassandra Timeouts

Tim Ojo explores and eventually solves a read/write timeout issue with high traffic volumes on their Cassandra production servers.

August 21, 2016

by Tim Ojo

· 42,089 Views · 11 Likes

MongoDB Atlas Best Practices (Part 1)

MongoDB announced Atlas, its DBaaS platform, earlier this year. Take a look at the best ways to use it in the first of a series of explanatory posts.

August 19, 2016

by Mat Keep

· 11,316 Views · 3 Likes

PGP-Pretty Good Privacy Using Mule

In this article, we will discuss on how to use one of the most popular data privacy tool with Mule ESB.

August 19, 2016

by Anil Kumar V

· 5,553 Views · 5 Likes

How to Install the ELK Stack on Google Cloud Platform

In this article, I will guide you through the process of installing the ELK Stack (Elasticsearch 2.2.x, Logstash 2.2.x and Kibana 4.4.x) on Google Cloud Platform (GCP).

August 18, 2016

by Daniel Berman

· 10,034 Views · 1 Like