Databases Resources

Multi-Tenant Cassandra Clusters With Spring Data Cassandra

What options does Cassandra provide for operating multi-tenant clusters? Do you have your services prepared to do the work properly? Read on to find out.

December 4, 2017

by Oresztesz Margaritisz

CORE

· 14,843 Views · 4 Likes

Spring Boot and Spring JDBC With H2

When an in-memory database calls, be ready. Here, learn how to set up H2 within your Spring Boot projects with some help from Spring Initializr and Spring JDBC.

December 4, 2017

by Ranga Karanam

· 190,602 Views · 12 Likes

Converting XML to JSON, Raw Use in MongoDB, and Spring Batch

Need to convert your XML data to JSON? Here's how to do it using MongoDB as a sample use case and Spring Batch to help.

December 3, 2017

by Michael Good

· 32,206 Views · 9 Likes

Sensor Data Quality Management Using PySpark and Seaborn

Learn how to check data for required values, validate data types, and detect integrity violation using data quality management (DQM).

December 2, 2017

by Rathnadevi Manivannan

· 11,630 Views · 5 Likes

What Goes Around Comes Around: A Brief History of Databases

Look at at three eras of data models — IMS, CODASYL, and relational — and see the importance of physical and logical data independence.

December 1, 2017

by Felix Chapman

· 7,742 Views · 4 Likes

Microservices Design Patterns - API Gateway

This series on microservices architecture design patterns kicks off with an overview of one of the most popular patterns- the API gateway.

December 1, 2017

by Andre Luis de Oliveira Dias

· 49,774 Views · 43 Likes

Solving a Polyglot Error in Python

I came across some issues when I tried do analyze data about Russian Twitter trolls, but ran into some issues. Here's how I solved them.

November 30, 2017

by Mark Needham

· 10,557 Views · 1 Like

MongoDB vs. MySQL

There are many database management systems in the market to choose from. So how about a faceoff between two dominant solutions that are close in popularity?

November 30, 2017

by Mihir Shah

· 120,542 Views · 15 Likes

Testing Your API Assertions With the Spock Framework

Learn how to test your APIs with Spock, a comprehensive testing framework that uses Java and Groovy, leveraging the benefits of several existing Java frameworks.

November 30, 2017

by Grigor Avagyan

· 13,680 Views · 5 Likes

Intro to Redis With Spring Boot

In this tutorial, get an introduction Spring Data Redis and learn one way of connecting it to a web application to perform CRUD operations.

November 29, 2017

by Michael Good

· 173,266 Views · 9 Likes

Spring Data REST and Projections

This overview of projections in Spring Data REST shows how we can use Projections in a similarly to Data Transfer Objects to control what clients see.

November 29, 2017

by Martin Farrell

· 42,049 Views · 6 Likes

Quick Start With Apache Livy

Learn how to get started with Apache Livy, a project in the process of being incubated by Apache that interacts with Apache Spark through a REST interface.

November 28, 2017

by Guglielmo Iozzia

· 48,226 Views · 7 Likes

5 Application Performance Monitoring Tools for Improving User Experience

Application Performance Monitoring is essential and can find bugs and other issues before your application even reaches your users.

November 28, 2017

by Nick Harley

· 23,280 Views · 4 Likes

Azure WebJobs vs. Azure Functions

This side-by-side comparison considers when to use WebJobs over Azure Functions and vice versa as well as trends to consider for the future.

November 28, 2017

by Simon Timms

· 11,181 Views · 3 Likes

Security Testing With JMeter - Learn How

A professional security tester shows us how to use the open source tool JMeter to perform security tests on our web applications.

November 27, 2017

by Roman Aladev

· 13,127 Views · 3 Likes

AWS IoT: Retrieving SQS Messages From a Queue

Let's set up an AWS IoT Rule to call an AWS Lambda function triggered by MQTT messages. See how it's configured with this step-by-step guides.

November 27, 2017

by Kevin Hooke

· 8,795 Views · 4 Likes

MySQL and Linux Context Switches

I often get questions about what is an acceptable number of context switches and at what point you should worry. Here are my answers to those questions!

November 26, 2017

by Peter Zaitsev

· 9,407 Views · 4 Likes