Ranga Karanam | The Blog Pros

November 11, 2022

Google Cloud for Beginners – How To Choose a Database Service?

Context

1: Is choosing a database easy?
2: What are the different categories of databases?
- 2.1: What are Relational Databases?
  - Relational Databases - OLTP - Online Transaction Processing
    - Cloud SQL
    - Cloud Spanner
    - Cloud SQL vs Cloud Spanner
  - Relational Database - OLAP - Online Analytics Processing
    - BigQuery - Modern Data warehouse
- 2.2: What are NoSQL Databases?
  - Cloud Datastore and Firestore
  - Cloud BigTable
  - Choosing between Cloud Firestore, Datastore vs Cloud BigTable
- 2.3: What are In-memory Databases?
3: Let’s get a quick summary

Is Choosing a Database Easy?

Choosing a database for your use case is not easy. A few factors you would need to consider:

1: Do you want a fixed schema? Do you want flexibility in defining and changing your schema? Do you want to go schemaless?
2: What level of transaction properties do you need? (atomicity and consistency)
3: What kind of latency do you want? (seconds, milliseconds or microseconds)
4: How many transactions do you expect? (hundreds or thousands or millions of transactions per second)
5: How much data will be stored? (MBs or GBs or TBs or PBs)

Before we get into the details, let’s explore the different categories of databases:

October 5, 2022

5 Important Kubernetes Concepts Made Easy

Kubernetes is the most popular open-source container orchestration solution.

Getting Started with Kubernetes is NOT easy.

September 29, 2022

Getting Started With Docker: 5 Easy Steps

Docker is synonymous with DevOps. For me, Docker is one of the top five technology innovations of the last decade.

What is Docker? How can you learn Docker? Let’s find out.

September 27, 2022

Google Cloud – For AWS Professionals

Learning a cloud platform takes a long time. Google Cloud and AWS have 200+ services each.

If you are familiar with AWS, this article is the shortcut you need to get quickly started with understanding Google Cloud.

April 11, 2020

DevOps Tutorial | DevOps With Docker, Kubernetes and Azure DevOps

In this article, we focus our attention on the DevOps.

What is DevOps? How is it different from Agile? What are the popular DevOps Tools? What is the role of Docker, Kubernetes and Azure DevOps in DevOps. Let’s get started with a simple use case.

February 5, 2020

Design Patterns for Beginners With Java Examples

In this guide, we provide an introduction to the world of design patterns. For each pattern, we further understand the pattern and the context in which it is applicable, with real-world examples.

In this post, you will learn:

November 27, 2019

REST API Best Practices — Design Examples From Java and Spring Web Services

REST API Best Practices

When designing a great REST API, it's important to have great microservices. How do you design your REST API? What are the best practices?

You Will Learn

How do you design a great REST API?
What should you think about when designing a REST API?
What are the best practices in designing RESTful Web Services?

You may also be interested in: Top REST API Best Practices

REST API

This is the last article in a series of articles on REST APIs:

November 25, 2019

REST API — What Is HATEOAS?

REST API — What Is HATEOAS?

While viewing a web page, you can see data on the page and perform actions with it. How about a REST API? Typically, when you ask for a REST resource, you get the details of the resource back. How about sending the operations that you can do with the resource in the response?

You might also like: RESTful Web Services With Spring Boot, Gradle, HATEOAS, and Swagger

We Learn

What is HATEOAS?
Why do you need to use HATEOAS?
When do you make use of HATEOAS?

REST API

This is the fifth article in a series of articles on REST APIs:

November 22, 2019

Designing a REST API — What Is a Code-First Approach?

Designing a REST API — Code-First Approach

Designing a great REST API is important to have great microservices. The Code-First approach focuses on generating the contract from code. Is it the best possible approach?

You might also like: Code-First Approach With ASP.NET MVC Framework

You Will Learn

What is the Code-First approach to designing a REST API?
What are advantages of the Code-First approach?
What are disadvantages of the Code-First approach?
When do you adopt the Code-First approach?

REST API

This is the fourth article in a series of articles on REST APIs:

November 21, 2019

Designing REST API — What Is Contract First?

Contract First Approach

When designing a great REST API, it's important to have great microservices. Contract First approach helps you in designing a great contract before implementing it. However, it does not come easy!

You might also like: Contract-First API Design With Apicurio and Red Hat Fuse/Camel

You Will Learn

What is Contract First approach of designing REST API?
What are advantages of Contract First approach?
What are disadvantages of Contract First approach?
When do you adopt Contract First approach?

REST API

This is the third article in a series of articles on REST APIs:

November 19, 2019

Introduction to REST API — RESTful Web Services

Intro to RESTful Web Services

REST stands for REpresentational State Transfer. It is a popular architectural approach to create your API's in today's world.

You may also like: Get Plenty of REST: REST API Tutorials

You Will Learn

What is REST?
What are the fundamentals of REST APIs?
How do you make use of HTTP when building REST API?
What is a Resource?
How do you identify REST API Resources?
What are some of the best practices in designing REST API?

What Is REST?

The acronym REST stands for REpresentational State Transfer. It was term originally coined by Roy Fielding, who was also the inventor of the HTTP protocol. The striking feature of REST services is that they want to make the best use of HTTP. Let's now have a quick overview of HTTP.

September 23, 2019

Five Languages to Learn as a Java Programmer

Here are the five languages you MUST learn as a Java developer!

As a programmer, you want to explore new things. Learning a new language gives you a different perspective when solving problems.

So what are the five languages that a Java developer must explore?

September 20, 2019

Creating Spring Boot and React CRUD Full Stack Application with Maven

This guide helps you create a full-stack application with CRUD (Create, Read, Update and Delete) features using React for the frontend and Spring Boot as the backend REST API.

You Will Learn

What a full-stack application is.
Why developers create full-stack applications.
How to you use React as a frontend framework.
How to you use Spring to create a backend REST Service API.
How to you call Spring Boot REST API from React using the axios framework.
How and when to use different REST API Request Methods — GET, POST, PUT and DELETE.
How to you perform CRUD (Create, Read, Update and Delete) operations using React and Spring Boot.
How to create a form in React using Formik?

September 12, 2019

Best Java Unit Testing Frameworks

Learn more about the best Java unit testing frameworks.

Unit testing is an important skill for programmers. With that said, what are the best frameworks you can use to write great unit tests in Java?

You may also like: 8 Benefits of Unit Testing

What We Will Learn

What are the best Java unit testing frameworks?
What is JUnit? How do you use JUnit for unit testing?
What is Mockito?
What is mocking?
How do you write unit tests with Junit, Mockito, AssertJ, and other frameworks?
What is the best Java unit testing framework for writing great asserts?

The Base Unit Testing Framework — JUnit/TestNG

Whenever you write a unit test, you execute the code and then check its output. You need a basic framework in place to run a large number of tests in a similar manner.

June 21, 2019