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📘 Day 1: वर्ण (Varnamala) – सम्पूर्ण अध्ययन

July 2, 2025

🔶 1. वर्ण की परिभाषा (Definition of Varn) वर्ण उस सबसे छोटी ध्वनि इकाई को कहते हैं, जिसका उच्चारण स्वतंत्र...

Introduction to Python – What is Python? Installation (Windows/Linux/Mac)

June 26, 2025

🐍 Introduction to Python ✅ What is Python? Python is a high-level, interpreted, general-purpose programming language known for its: 🔥...

Webhook in PHP: Overview, Advantages, Use Cases & Real-World Example

June 24, 2025

🔄 What is a Webhook? A webhook is a way for one application to send real-time data to another application...

What Are Collections in Laravel?

June 20, 2025

Laravel Collections are a powerful wrapper around arrays, provided by the Illuminate\Support\Collection class. They offer a fluent, convenient interface to...

What Are Laravel Contracts

June 18, 2025

In Laravel, Contracts are a set of interfaces that define the core services provided by the framework. These are found...

🔥 Advanced Level Date-Time Questions in MySQL

June 13, 2025

1. Current quarter 2. Last quarter 3. Cumulative monthly sales 4. Rolling 12-month summary 5. Avg login-duration 6. Overtime >9 hrs...

🔥 Medium Level Date-Time Questions in MySQL

June 13, 2025

1. This week’s data (Mon–Sun) 2. Last week 3. Last 30 days 4. Inactive >60 days 5. Sales by month...

🔥 Basic Date-Time Questions in MySQL

June 13, 2025

1.Fetch today’s records 2.Get records from yesterday 3.This month’s records 4.Last 7 days 5.Extract month name 6.Specific weekday (e.g. Monday)...

🔥 Real-World Scenario-Based Date-Time Questions in MySQL

June 13, 2025

🟢 1. Fetch today’s records Question: Show all orders placed today. 🟢 2. Fetch orders made in the last 7...

Dynamic period queries in MySQL for last week, last month, this year, etc.

June 13, 2025

📅 1. Last 7 Days 🗓️ 2. This Month 🗓️ 3. Last Month 📆 4. This Year 📆 5. Last...