Databases Resources

Tutorial: How to Define SQL Functions With Presto Across All Connectors

Learn how to implement your own SQL function with Presto, the open-source SQL query engine.

Updated November 9, 2021

by Rohan Pednekar

· 4,644 Views · 4 Likes

Test-Driven Development With The oclif Testing Library: Part One

Let’s build something different but simple. We’ll use a test-driven development (TDD) approach to build a time-tracking application.

November 8, 2021

by Michael Bogan

CORE

· 6,961 Views · 1 Like

Concurrency-Safe Execution Using Ballerina Isolation

The concept of isolation in Ballerina simplifies development by ensuring the safety of shared resources during concurrent execution.

November 7, 2021

by Hinduja Balasubramaniyam

· 5,855 Views · 3 Likes

Auto_Explain: How to Log Slow Postgres Query Plans Automatically

Automatically log slow query plans with auto_explain and learn how to fix the problematic PostgreSQL queries that are slowing you down.

November 7, 2021

by Anton Bjorkman

· 3,152 Views · 3 Likes

From Spring Boot Microservices to Lambda Functions

Get your microservices where they need to be.

November 6, 2021

by Ben Foster

· 32,013 Views · 10 Likes

Untraceable Communication is Here

Spies have been using physical "Dead Drops" to exchange information securely for decades. This method of communication has become possible online with recent cryptographic advances.

November 6, 2021

by Robert Brautigam

· 4,205 Views · 2 Likes

Easy Local Development with TiDB

Here's how TiDB can help you develop your application locally using the same type of distributed database platform used in production.

November 4, 2021

by Daniël Van Eeden

· 3,538 Views · 1 Like

Data Table Filtering Using a D3 Timeline

A step-by-step tutorial on how to use Angular framework, D3.js, and Bootstrap to implement data filtering and visualization using a D3 timeline.

November 4, 2021

by Maksym Mostovyi

· 6,759 Views · 1 Like

Single Responsibility Principle: The Most Important Rule in the Software World

Do you want to know the most important singular rule in the world of software engineering? Here you can learn why it should matter to all engineers.

November 3, 2021

by Bartłomiej Żyliński

CORE

· 7,693 Views · 7 Likes

Top 8 Recommended Books To Become a Better Programmer

This article contains a series of top 8 recommended books to improve your programming skills. Each book is an addition to a developer's skills and an interesting read. From concurrency, design patterns, refactoring, and microservices this list covers it all.

November 3, 2021

by Bhagyashree Nigade

CORE

· 48,201 Views · 22 Likes

Aggregating REST APIs Calls Using Apache Camel

In this post, we are going to build an aggregator for API calls using the Enricher EIP. A tutorial on how to aggregate sequential calls to REST APIs in a single response.

November 3, 2021

by André Luiz De Gusmão

· 20,126 Views · 2 Likes

Kappa Architecture is Mainstream Replacing Lambda

This blog post explores why a single real-time pipeline, called Kappa architecture, is the better fit and the role of batch processing in it without requiring Lambda.

November 3, 2021

by Kai Wähner

CORE

· 7,349 Views · 8 Likes

AWS S3 Access via API Gateway, IaC, and More

If you are currently developing or looking to start developing apps on the AWS serverless stack, then keep on reading for useful and interesting insights.

November 2, 2021

by David Shilman

CORE

· 10,003 Views · 8 Likes

How to Use Active Storage on Rails 6.2

Learn how to use active storage in Rails 6.2. including its definition, installation, and functionalities as well as major updates in recent releases.

November 1, 2021

by Ritu Chaturvedi

· 5,662 Views · 1 Like

How to Perform a NestJS TypeORM Transaction Using QueryRunner?

In this post, we will look at how to perform a NestJS TypeORM Transaction using the TypeORM QueryRunner class with examples.

October 31, 2021

by Saurabh Dashora

CORE

· 8,881 Views · 2 Likes

MDC Logging With MuleSoft Runtime 4.4

With MDC Logging, logs can be enriched by providing more information about the event in the logs.

October 30, 2021

by Jitendra Bafna

CORE

· 19,596 Views · 3 Likes

Connect to a Database Instance Running Inside a Java Testcontainer Using IntelliJ IDEA

Learn how to use IntelliJ IDEA along with Testcontainers and JUnit to write effective unit tests for your Java module that communicate with databases.

October 27, 2021

by Sumit Kumar

· 5,650 Views · 2 Likes

How to Enable Subscription in Apollo Federation With NestJS GraphQL

By default, Apollo does not allow you to enable subscription in a federation server. Here's how to enable subscription in NestJS using Apollo GraphQL.

October 26, 2021

by Vinod Surendran

· 6,328 Views · 2 Likes

How to Build a Metadata-Driven UI

A metadata-driven UI provides project teams with element alignment by invoking a single endpoint for data. Here's how to build your own metadata-driven UI.

October 26, 2021

by Sergei Visotsky

· 8,322 Views · 3 Likes

Ultra-fast Java In-Memory Database Apps & Microservices with MicroStream

MicroStream is a fundamentally new persistence framework for storing complex Java object graphs natively, which means the object graph is stored on disk as it is in RAM.

October 26, 2021

by Otavio Santana

CORE

· 15,128 Views · 5 Likes

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