Sanjay Prajapat

Sanjay Prajapat

Sanjay Prajapat is a Data Engineer and technology writer with expertise in Python, SQL, data visualization, and machine learning. He simplifies complex concepts into engaging content, helping beginners and professionals learn effectively while exploring emerging fields like AI, ML, and cybersecurity in today’s evolving tech landscape.

291 Articles

SAP FICO Interview Questions
By Sanjay Prajapat | June 15th, 2026

SAP FICO Interview Questions and Answers

SAP is one of the best emerging technologies that various big companies like HCL, IBM and Accenture are implementing these days. It is helping them to integrate their core business process into one single system. Therefore, careers...

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Pivot Table in Excel
By Sanjay Prajapat | June 14th, 2026

Pivot Table in Excel

Pivot Tables in Excel provide users with a way to quickly summarize, organize, and analyze large amounts of data in one place. Users can create meaningful reports of the data in different categories, perform calculations such as totaling, averaging, counting and identifying trends very simply and quickly.....

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SAP EWM Interview Questions
By Sanjay Prajapat | June 13th, 2026

SAP EWM Interview Questions and Answers

SAP EWM is one of the most in-demand skills in the supply chain and logistics space today. Companies across industries are moving from older warehouse management systems to SAP EWM because it gives them more control, flexibility and real-time visibility into their warehouse operations. That demand has created a strong job market for SAP EWM consultants, functional analysts and technical professionals....

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SAP GRC Interview Questions and Answers
By Sanjay Prajapat | June 12th, 2026

SAP GRC Interview Questions and Answers

If you are preparing for an SAP GRC interview, you already know the stakes are high. SAP GRC roles carry real responsibility. Companies trust these professionals to protect their systems, manage risk, and ensure compliance with auditors. So interviewers do not take hiring lightly, and neither should you...

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How to Calculate Age in Excel
By Sanjay Prajapat | June 11th, 2026

How to Calculate Age in Excel?

Excel is one of the most popular tools in the world, with its robust formulas and functions that can make complicated calculations. Calculating age is also one of its robust features that is mostly used by HR professionals tracking employee tenures, a data analyst working with demographic datasets, or someone who wants to stop doing the math manually. It is a great practical skill you should have....

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Online Rust Compiler
By Sanjay Prajapat | June 10th, 2026

Online Rust Compiler (Run Rust Code Online)

An Online Rust Compiler allows you to write, compile, and execute Rust programs directly in your browser without installing Rust or configuring a development environment. It provides a fast and convenient way to learn, practice, and test Rust code from anywhere....

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Software Testing Basics
By Sanjay Prajapat | June 9th, 2026

Software Testing Basics: A Simple Guide for Beginners

Think about the last time an app crashed on you right when you needed it most. Frustrating, right? Or imagine a payment glitch on an e-commerce site during a flash sale, or a banking app showing the wrong balance. These are not just bad user experiences; they are the result of untested or poorly tested software...

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Online Go Compiler
By Sanjay Prajapat | June 9th, 2026

Online Go Compiler (Run Go Code Online)

An Online Go Compiler allows you to write, compile, and execute Go programs directly in your browser without installing Go or configuring a development environment. It provides a simple and convenient way to learn, practice, and test Go code from anywhere...

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API Interview Questions and Answers
By Sanjay Prajapat | June 8th, 2026

API Interview Questions and Answers

Both new tech employees and senior engineering professionals will encounter API interview questions regularly. APIs are a key component in modern software as they create connections between applications, allow mobile applications to function and allow for integrated programs to operate in today's business environment.

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KPI in Power BI
By Sanjay Prajapat | June 6th, 2026

KPI in Power BI: Key Performance Indicators Dashboards

KPI's exist because as a data worker we already know that numbers do not mean anything unless given some kind of context about where they came from. When you combine KPIs with the use of Power BI you effectively have a report that tells both what happened as well as whether it was good/bad, an idea about how far you are from your goals, etc.

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Online R Compiler
By Sanjay Prajapat | June 6th, 2026

Online R Compiler (Run R Code Online)

An Online R Compiler allows you to write, run, and test R programs directly in your browser without installing R or RStudio on your computer. It provides a convenient environment for learning R programming, statistical computing, and data analysis....

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Online C# Compiler
By Sanjay Prajapat | June 5th, 2026

Online C# Compiler (Run C# Code Online)

An Online C# Compiler allows you to write, compile, and execute C# programs directly in your browser without installing Visual Studio or any additional software. It provides a quick and convenient way to learn, test, and practice C# programming from anywhere....

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Tally Interview Questions
By Sanjay Prajapat | June 5th, 2026

Top Tally Interview Questions and Answers

Tally is one of the most widely used accounting software tools in India and across many small and medium businesses worldwide. Companies use it for accounting, inventory management, payroll, GST filing, and more. So, when a company interviews...

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SAP Interview Questions
By Sanjay Prajapat | June 4th, 2026

SAP Interview Questions and Answers

If you are preparing for an SAP interview, you already know that it is not just about memorizing definitions. SAP interviewers want to see that you understand how the system works, how it connects different business processes, and how you can use it to...

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Online C++ Compiler
By Sanjay Prajapat | June 3rd, 2026

Online C++ Compiler (Run C++ Code Online)

An Online C++ Compiler allows you to write, compile, and execute C++ programs directly in your browser without installing any software. It provides a quick and convenient way to test code, learn object-oriented programming concepts, and practice C++ programming from anywhere....

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Online TypeScript Compiler
By Sanjay Prajapat | June 2nd, 2026

Online TypeScript Compiler

An Online TypeScript Compiler allows you to write, compile, and execute TypeScript code directly in your browser without any installation. It transpiles TypeScript to JavaScript and runs it instantly, making it perfect for learning and quick testing...

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Online Java Compiler
By Sanjay Prajapat | June 2nd, 2026

Online Java Compiler

Learning a programming language like Java can be really tough without daily coding practice, which requires an environment. It can be complicated to install Java on a local environment for beginners. This is where an online Java compiler becomes extremely useful. It allows users to write, run, and test Java programs directly in the browser without installing anything....

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Online PHP Compiler
By Sanjay Prajapat | June 2nd, 2026

Online PHP Compiler

Explore the best PHP online compiler to run and test your PHP programs.

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Online C Compiler
By Sanjay Prajapat | June 1st, 2026

Online C Compiler (Run C Code Online)

An Online C Compiler allows you to write, compile, and execute C programs directly in your browser without installing any software. It provides a quick and convenient way to test code, learn programming concepts, and practice C programming from anywhere...

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What is an API
By Sanjay Prajapat | June 1st, 2026

What is an API (Application Programming Interface)?

Think about the last time you opened a food delivery app, booked a cab or transferred money from your phone. Every one of those actions triggered something invisible, something working faster than you could blink, connecting systems that were never...

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c language mcqs
By Sanjay Prajapat | May 29th, 2026

Top 120 C Language MCQs With Answers

Preparing for C programming interviews or exams? This Top 70 C Language MCQs collection is your go-to resource. It includes commonly asked multiple-choice questions, organized by topic for focused practice — test your knowledge, find gaps, and improve quickly...

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Python Developer Salary
By Sanjay Prajapat | May 28th, 2026

Python Developer Salary

It is undoubtedly one of the most rapidly growing programming languages today. The kind of popularity this language enjoys is hardly ever even touched by any other programming language.

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What is  Azure Virtual Machine
By Sanjay Prajapat | May 27th, 2026

What is Azure Virtual Machine?

If you've needed a server but didn't want to spend money on hardware, Azure VMs can provide an efficient solution. I have experience with Microsoft Azure environments for deploying web applications, testing environments and scalable backend systems and I know how using virtual machines reduces the complexity of managing infrastructure, while still giving you total control over the operating system and configuration options. Azure allows you to create virtual servers in the cloud to run on-demand, without having to manage physical hardware. Whether you are a developer, a system administrator, or a business owner, learning how Azure Virtual Machines work will greatly enhance your ability to build, deploy and scale your applications.

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Data Modelling Interview Questions
By Sanjay Prajapat | May 27th, 2026

Data Modelling Interview Questions and Answers

If you are preparing for a data analyst, data engineer, or database architect role, you are almost certainly going to face data modelling interview questions. These questions show up at every level. Beginners get asked about basic concepts. Senior candidates are tested on their ability to make informed architecture decisions and trade-offs....

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System Design Interview Questions
By Sanjay Prajapat | May 26th, 2026

System Design Interview Questions and Answers

System design interviews are one of the most important rounds in technical hiring today. Whether you are applying to Google, Amazon, Microsoft, or a fast-growing startup, you will almost certainly face system design questions. These questions test how...

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PySpark Interview Questions
By Sanjay Prajapat | May 25th, 2026

Top PySpark Interview Questions and Answers

PySpark is one of the most in-demand skills in the big data and data engineering world right now. Companies like Netflix, Uber, LinkedIn, and Amazon use Apache Spark at scale, and PySpark is their go-to tool for writing Spark jobs in Python. If you are...

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Sanic Framework
By Sanjay Prajapat | May 22nd, 2026

Introduction to Sanic Web Framework - Python Tutorial

In case you’re a developer that creates APIs with Flask or FastAPI, you may not know about Sanic. From building high concurrency APIs and applying best practices for optimizing async work flows, I have firsthand knowledge of how much latency is reduced...

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Web2py
By Sanjay Prajapat | May 22nd, 2026

Learn Web2py Python Framework

Web2Py is an extremely flexible Python web-based framework that allows rapid development of safe and scalable web applications in an efficient manner. Based upon my experience in creating web applications, I have used web2Py for about 4+ years...

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Matplotlib Library in Python
By Sanjay Prajapat | May 16th, 2026

Matplotlib Library in Python

Are you curious how raw data becomes beautiful visualisations? If yes, read on. I have four years of practical experience in Python, with considerable experience creating effective plots using data visualization software. I will share helpful tips and lessons...

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Data Engineer Interview Questions
By Sanjay Prajapat | May 15th, 2026

Data Engineer Interview Questions and Answers

If you are preparing for a data engineer interview, you already know how competitive this field has become. Companies across every industry are building massive data infrastructure and they need skilled engineers to run it. Whether you are a fresher...

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