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Creating EC2 Instances using Terraform

Hello. In this tutorial, we will explain a popular open-source deployment automation software popularly known as Terraform and we will create an EC2 instance. 1. Introduction Terraform is a tool for building, changing, and versioning the infrastructure safely and efficiently. It is used to manage the infrastructure of the popular cloud service providers and custom in-house solutions. It helps manage ...

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How to Create IAM User & Policy using Terraform on AWS

Hello. In this tutorial, we will create an IAM policy and user using Terraform on AWS. Terraform is a popular open-source deployment automation software.  1. Introduction Terraform is a tool for building, changing, and versioning the infrastructure safely and efficiently. It is used to manage the infrastructure of the popular cloud service providers and custom in-house solutions. It helps manage ...

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Apache Hadoop ETL Tutorial

1. Introduction This is an in-depth article related to the Apache Hadoop ETL Tool – Hive. Hive is part of the Hadoop Ecosystem. It is used in Big Data solutions with Hadoop. It was developed by Facebook. Hadoop is an Apache Opensource project now. Hive is used as ETL (Extraction-Transformation-Load) tool in the Hadoop system for the execution of queries ...

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Java 8 Functional Interface – BiPredicate Example

Hello. In this tutorial, we will explain the BiPredicate functional interface in Java 8. 1. Introduction Java 8 BiPredicate functional interface represents a method that accepts two input arguments and returns a boolean output. Represented by the method syntax – boolean test(T t, U u). This interface also provides some default methods like – default BiPredicate or(BiPredicate other) – Composed ...

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Date Format in SQL

In this article, we will explain the Date Format in SQL. 1. Introduction Structured Query Language (SQL) defines the date and time data types. In this example, I will use the MySQL database to demonstrate both date data types and corresponding utility functions. DATE – stores a calendar date in the YYYY-MM-DD format. The valid date ranges from ‘0000-01-01‘ to ...

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How to Learn Python for Data Science

In this article, we’re going to discuss Data Science with Python. The way to start your studies, the necessary stuff, and why you should learn Python. 1. Why Learn Python For Data Science? I’m a big fan of the phrase “all knowledge is valid”. That means, everything you study can bring something to add to your life as well to ...

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Python Classes and Objects

In this article, we will explain classes and objects in Python. Python supports code construction using the object-oriented paradigm. It is a procedural language that does not enforce that all code should be written using classes and objects. In that sense, it can be called an object-based language. In this article, we discuss the concepts of classes and objects in ...

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SQL vs NoSQL Databases

In this article, we will explain the differences between SQL vs NoSQL Databases. 1. Introduction We will check the relational (SQL) and non-relational (NoSQL) data structures. While both are viable options, there are key differences between the two that users must keep in mind when making a decision. 2. Differences between SQL and NoSQL 2.1 Database Architecture At the most ...

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Apache Hadoop Getting Started Example

1. Introduction This is an in-depth article related to the Apache Hadoop Example. Hadoop is an opensource project which has software modules like Pig Hive, HBase, Phoenix, Spark, ZooKeeper, Cloudera, Flume, Sqoop, Oozie, and Storm. Map Reduce is part of Hadoop which is used for big data processing. 2. Apache Hadoop Getting Started Hadoop is an opensource framework for distributed ...

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What is SQL and how does it work?

Hello. In this tutorial, we will learn and understand what SQL is and how does it work. 1. Introduction SQL stands for Structured Query Language and is used to extract and organize data stored in relational databases like MySQL, PostgreSQL, Oracle, etc. A relational database consists of rows and columns that allow fetching specific information from databases that can be ...

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