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Mastering Business Data with SQL
A Practical Guide to Querying, Modeling, and Compliance Using SQL Server 2025
Unlock the true value of your business data with Mastering Business Data with SQL—the ultimate guide for business analysts, data professionals, and IT teams working with SQL Server 2025. From writing your first query to implementing secure, compliant, multi-tenant architectures, this hands-on book equips you with practical skills to query, model, protect, and report on enterprise data. Learn how to design efficient schemas, apply data masking, audit access, and visualize insights with Power BI—all with real-world scenarios and step-by-step exercises using SQL Server Management Studio and Visual Studio Code.
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About the Book
Mastering Business Data with SQL is a comprehensive, hands-on guide for business analysts, data professionals, and technical decision-makers who want to unlock the full potential of SQL Server 2025. Whether you're working in analytics, compliance, or software development, this book teaches you how to query, model, secure, and report on data in real-world business environments.
Covering everything from the basics of SELECT and filtering queries to advanced multi-tenant architecture, window functions, and GDPR compliance, the book combines clear explanations with practical exercises using the latest SQL Server 2025 features and tools like SSMS 21.x and Visual Studio Code.
You’ll learn how to:
- Retrieve and manipulate data using core SQL skills
- Design normalized data models and enforce relational integrity
- Use views, aggregates, joins, and window functions for powerful analytics
- Architect databases for SaaS and multi-tenant systems
- Apply row-level security, data masking, and encryption for access control and privacy
- Comply with GDPR through techniques like pseudonymization, erasure, and audit trails
- Integrate SQL Server with Excel and Power BI for dynamic reporting
Each chapter includes structured exercises with step-by-step instructions and realistic datasets, making the book ideal for self-paced learning or classroom use. Whether you're preparing for enterprise projects or sharpening your SQL skills for business decision-making, this book equips you with the knowledge and tools to manage business data securely and effectively.
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About the Author
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