SQL for Beginners - Neseli, Ahmet
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Ready to take your first steps into the world of SQL and data management? Whether you're an aspiring data analyst, a developer, or simply someone who wants to unlock the power of data, this book is your ultimate starting point. Written with beginners in mind, it breaks down complex topics into digestible lessons, ensuring you gain confidence in managing, analyzing, and manipulating data. Inside this guide, you'll discover: * Introduction to SQL: Learn what SQL is, why it matters in today's data-driven world, and how to set up your own environment. * Understanding Databases: Grasp the structure…mehr

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Ready to take your first steps into the world of SQL and data management? Whether you're an aspiring data analyst, a developer, or simply someone who wants to unlock the power of data, this book is your ultimate starting point. Written with beginners in mind, it breaks down complex topics into digestible lessons, ensuring you gain confidence in managing, analyzing, and manipulating data. Inside this guide, you'll discover: * Introduction to SQL: Learn what SQL is, why it matters in today's data-driven world, and how to set up your own environment. * Understanding Databases: Grasp the structure of databases, from tables and rows to primary keys and relationships. * Getting Started with SQL Queries: Write your first query and explore essential commands like SELECT, WHERE, and ORDER BY. * Working with Data: Master the art of inserting, updating, and deleting records while handling NULL values like a pro. * Advanced Querying: Dive into aggregate functions, GROUP BY, joins, subqueries, and other powerful tools. * Creating and Managing Tables: Build your own database structures using CREATE, ALTER, and DROP commands. * Indexes and Performance Optimization: Learn how to use indexes and optimize your queries for lightning-fast results. * Working with Relationships: Understand how to create and manage one-to-one, one-to-many, and many-to-many relationships. * SQL Functions and Expressions: Discover string, date, and mathematical functions, as well as conditional expressions like CASE and COALESCE. * Transactions and Error Handling: Ensure data integrity with COMMIT, ROLLBACK, and other transaction tools. * Working with Views: Simplify complex queries with views and learn how to update and drop them effectively. * Advanced Topics: Explore stored procedures, triggers, user-defined functions, window functions, and Common Table Expressions (CTEs). * SQL for Real-World Applications: Build practical projects like a blog database, a student management system, and more. * Security in SQL: Protect your data by managing permissions, preventing SQL injection, and encrypting sensitive information. * Practical Projects: Bring your skills to life with hands-on exercises and challenges that simulate real-world scenarios. * Additional Resources: Access a glossary of key terms, links to SQL communities, and suggestions for further learning. With clear explanations, practical examples, and step-by-step projects, "SQL For Beginners" transforms intimidating concepts into approachable lessons. No matter your experience level, this book will guide you toward mastering SQL and opening the door to endless opportunities in data. Start your SQL journey today-because managing data easily has never been this simple!
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