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Are you preparing for a career in data analytics, business intelligence, or database management? Do you want a practical, job-ready SQL guide that cuts through the theory and gives you exactly what you need?
This book is your hands-on crash course, designed to help you master SQL quickly and confidently.
Inside, you’ll find:
✔️ 100 essential SQL queries every analyst should know
✔️ Step-by-step explanations with query outputs and real-world use cases
✔️ 10 structured sections covering Basics, Joins, Aggregations, Window Functions, Optimization, and more
✔️ Practical scenarios such as Top N Customers, Monthly Sales Trends, and Year-over-Year Growth
Whether you are a student preparing for interviews, a professional analyst, or someone looking to boost career opportunities, this book will help you analyze data smarter and faster.
What you will learn:
How to write clean, efficient SQL queries
The most important functions for strings, dates, and numbers
How to optimize queries for performance
How SQL is applied in real business problems
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Your warranty will cover any manufacturing defects which, if existing, will present themselves within this warranty period.
Your warranty will not cover normal wear and tear, faults caused by misuse, and accidents which cause damage or theft caused after delivery. Using the product in a way it is not designed for will void your warranty.
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