Databases Resources

How to Run an Elastic MapReduce Job Using a Custom Jar on Amazon EMR

Learn how to develop an application using Java and the MapReduce framework for Hadoop, then execute that app in Amazon's Elastic MapReduce.

March 22, 2021

by Muhammad Ali Khojaye

· 17,556 Views · 4 Likes

MongoDB With Spring Boot: A Simple CRUD

In this blog, we are going to explore MongoDB with Java Spring Boot. We will create a simple CRUD API to interact with our Mongo database.

March 21, 2021

by Upanshu Chaudhary

· 17,434 Views · 5 Likes

Spring Boot: API First Approach

I describe how I created the API definition, then how I created the server and client code from the API definition. Then I will talk about some of the problems I faced.

March 21, 2021

by Amrut Prabhu

· 18,110 Views · 8 Likes

Rapidly Develop Java Microservices on Kubernetes With Telepresence

Tutorial: Build a Kubernetes development workflow with a Java microservice

March 19, 2021

by Daniel Bryant

· 8,174 Views · 4 Likes

Setup and Configure Velero on AKS

This article will help you to setup Velero easily on AKS, limiting access to the minimum needed resource group instead of subscription level access.

March 19, 2021

by Kuljeet Singh

· 16,077 Views · 3 Likes

Performance Differences Between Postgres and MySQL

In this article, we discuss what workload analysis and running queries can teach us about the performance differences in JSON, indexing, and concurrency.

March 19, 2021

by Blessing Krofegha

· 8,651 Views · 3 Likes

Creating Account Activation Links for User Registration in Vaadin Applications

In this article, I'll show you how to generate activation links that you can send to the users so that they can complete the registration process.

March 19, 2021

by Alejandro Duarte

CORE

· 7,038 Views · 4 Likes

How to Efficiently Choose the Right Database for Your Applications

Finding the right database solution for your application is not easy. Learn how to efficiently find a database for your applications.

March 19, 2021

by Guo Leitao

· 7,878 Views · 2 Likes

Using Azure Front Door for Eliminating Preflight Calls (CORS)

You can use an Azure Front Door to route to both the UI domain and the API to eliminate the (OPTIONS) request; calls from the browser will be directed to the same-origin as the UI.

March 18, 2021

by Pratik Bhattacharya

· 10,821 Views · 3 Likes

How Checksum Smartly Manages Data Integrity in HDFS

In two words, data integrity can be defined as an assurance of the accuracy and consistency of data throughout the entire life cycle.

March 16, 2021

by Gautam Goswami

CORE

· 6,610 Views · 2 Likes

Understanding CIDRs and Public vs Private IPs

We use CIDR ranges for security-related things. Like to secure the traffic in terms of IP addresses. Usually, it helps us in defining the IP address range.

Updated March 16, 2021

by Sravan Lingam

· 26,065 Views · 12 Likes

Health Monitoring Through Data From Wearables

Wearable IoT devices for health monitoring are presented. Opportunities and challenges for developing applications for interoperable big data are also explored.

March 16, 2021

by Thiago Nascimento

CORE

· 18,512 Views · 2 Likes

SQL Phenomena for Developers

These phenomena represent a set of data integrity anomalies that may occur when a developer tries to squeeze performance from transaction concurrency.

March 15, 2021

by Anghel Leonard

CORE

· 14,986 Views · 12 Likes