SKU/Artículo: AMZ-B0GNMB5XWD
SQL for Beginners: The Complete Hands-On Guide to Writing Queries, Designing Databases, and Mastering Joins for Students, Career Changers & Data Professionals
Format:
Paperback
Detalles del producto
Disponibilidad:
En stock
En stock
Peso con empaque:
0.29 kg
0.29 kg
Devolución:
Sí
Sí
Condición
Nuevo
Nuevo
Producto de:
Amazon
Amazon
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USA
USA
Sobre este producto
- Stop guessing with data. Start commanding it.Every day, businesses run on data. Sales reports. Customer insights. Performance dashboards. Yet most people interact with that data from the surface—scrolling through spreadsheets, relying on prebuilt reports, or waiting for someone else to extract answers.If you’ve ever felt stuck, overwhelmed by technical jargon, or unsure how SQL actually works in the real world, you’re not alone.You don’t need a computer science degree to understand databases. You don’t need endless theory. What you need is clarity, structure, and practical experience that builds real confidence.SQL for Beginners was written to turn uncertainty into competence—and competence into career-ready skill.This is not a dry reference manual. It’s a complete, hands-on roadmap that takes you from zero knowledge to writing complex queries with confidence. You’ll learn how databases are structured, how tables connect, how to retrieve exactly the data you need, and how to think like a data professional.More importantly, you’ll understand why SQL works the way it does—so you can apply it in real business situations, not just textbook exercises.Whether you’re a student preparing for exams, a career changer entering the tech field, or a professional who wants to strengthen your data skills, this book meets you where you are and moves you forward step by step.By the time you finish, you won’t just “know SQL.” You’ll be able to use it with clarity, purpose, and confidence. What You’ll Discover Inside:• How relational databases actually work—and why understanding them changes everything • Writing clean, accurate SELECT queries from your very first chapter • Filtering, sorting, grouping, and analyzing data with confidence • Mastering INNER JOIN, LEFT JOIN, and multi-table queries without confusion • Using aggregate functions like COUNT, SUM, and AVG to uncover meaningful insights • Handling NULL values and avoiding common beginner mistakes • Designing tables with proper data types, primary keys, and foreign keys • Building small business database structures from scratch • Writing complex queries that stay readable and efficient • Practical, real-world exercises that prepare you for interviews and job tasks • How SQL is used in analytics, reporting, and everyday business decisionsThis book doesn’t overwhelm you with theory. It builds skill through action.You’ll work with realistic examples. You’ll see how queries solve actual problems. You’ll learn how to think logically about data relationships. And gradually, you’ll notice something shift: complex datasets will feel manageable. Business questions will feel answerable. Interviews will feel less intimidating.Imagine opening a database and knowing exactly where to start. Imagine being the person in the room who can extract the answer in minutes. Imagine applying for roles that require SQL—and knowing you can back it up with real ability.That future is not far away. It begins with structured learning and consistent practice.If you’re ready to stop feeling unsure around data and start building a skill that opens real opportunities, this book is your starting point.Turn the page and begin mastering SQL today.
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AR$47.335
44% OFF
AR$26.299
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