SQL Basics: Create and Manage Databases Easily
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SQL Basics: Create and Manage Databases Easily
Learn How to Create a Database in SQL — Step-by-Step for Beginners! In this video, you’ll learn how to create a database in SQL from scratch. Whether you’re just starting out or brushing up your skills, this tutorial walks you through every step you need to know — from creating a database to verifying it using SQL commands. You’ll ...
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Rajan Walia on Instagram: "3 Backend Projects every Student should make in 2025 Coding Programming Node.js Express.js NestJS JavaScript TypeScript Python Django Flask FastAPI Java Spring Boot C# . NET Golang Ruby Ruby on Rails PHP Laravel Backend Backend Development Backend Engineer API Development REST API GraphQL gRPC Microservices Monolith Serverless System Design Database SQL NoSQL MySQL PostgreSQL MongoDB Redis Cassandra DynamoDB ORM Prisma Sequelize Hibernate Authentication Authorization J
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Rajan Walia on Instagram: "3 Backend Projects every Student should make in
sigma.techies
My query had grown over time, i had added more joins, filters, aggregates and calculations until it became the slowest part of my stack. I tried everything: indexes, denormalization, query hints… nothing. The main Problem: A Bloated Analytical Query On a table with: * 5 million users * 50 million orders * 80 million login events It took over 12 seconds on average. The Fix: Reusable Inline CTEs So, instead of joining raw tables multiple times, I pre-aggregated the heavy tables inside CTEs, so eve
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My query had grown over time, i had added more joins, filters, aggregates and
codewithboi
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