دانلود کتاب T-SQL برای متخصصان SQL Server تسلط بر بهینه‌سازی پرس‌وجو، برنامه‌نویسی پیشرفته و راه‌حل‌های پایگاه داده سازمانی در Microsoft SQL Server

The book, Ultimate T-SQL for SQL Server Professionals, is your comprehensive guide to mastering T-SQL and SQL Server for real-world data challenges. So, whether you are a professional, student, or database enthusiast, this book provides a practical, example-driven approach to querying, managing, and optimizing data in SQL Server. From foundational concepts to advanced techniques, Ultimate T-SQL empowers readers to write efficient queries, automate tasks, and develop robust database solutions. Each chapter builds logically on the previous one, ensuring that you gain confidence, while applying T-SQL skills in real scenarios across industries such as healthcare, finance, and technology. Why This Book is Different: Real-world examples and exercises for hands-on learning. Step-by-step guidance from basic queries to advanced topics. Covers T-SQL in a professional, practical, and industry-ready context. Provides insights on the best practices, optimization, and troubleshooting. Chapter Highlights: Chapter 1 – Getting Started with T-SQL: Get introduced to the SQL Server ecosystem, core database objects, and the fundamentals of writing SELECT statements. This chapter lays the groundwork for understanding how T-SQL interacts with relational data. Chapter 2 – Data Types, NULLs, and Conversions: Learn how SQL Server stores data, and how to choose the correct data types for accuracy and performance. This chapter explains NULL handling and type conversions to prevent logic errors and data inconsistencies. Chapter 3 – SELECT Statements and Filtering Logic: Master data retrieval using filtering, sorting, conditional logic, and query execution order. This chapter focuses on writing precise, readable SELECT queries that reflect real-world business rules. Chapter 4 – Joins, Set Operations, and Subqueries: Understand how to combine data across multiple tables using joins, unions, and subqueries. This chapter teaches you how to model relationships and solve complex data problems efficiently. Chapter 5 – Views, Functions, and Stored Procedures: Encapsulate logic into reusable database objects for cleaner code and better maintainability. This chapter covers how to design, manage, and optimize programmable database objects. Chapter 6 – CTEs, MERGE, Pivoting, JSON, and XML: Explore advanced querying techniques for transforming and reshaping data. This chapter demonstrates how SQL Server handles hierarchical data and modern data formats. Chapter 7 – Dynamic SQL, Triggers, and Table-Valued Functions (TVFs): Implement flexible and automated database logic using dynamic SQL and event-driven programming. This chapter highlights performance considerations and best practices for advanced database automation. Chapter 8 – Query Optimization and Performance Tuning: Learn how SQL Server executes queries, and identify performance bottlenecks using indexing strategies, statistics, and query rewrites. This chapter focuses on writing efficient T-SQL that scales well under real-world workloads. Chapter 9 – Execution Plans and Query Store: Understand how to read and interpret execution plans to diagnose slow queries and resource-intensive operations. Explore Query Store to track performance changes, compare plans, and stabilize query behavior over time. Chapter 10 – Transactions, Concurrency, and Isolation Levels: Master transaction control and concurrency management to maintain data consistency in multi-user environments. This chapter explains isolation levels, locking, blocking, and deadlocks with practical examples. Chapter 11 – Automation with SSIS, SQL Agent, and PowerShell: Automate database workflows using SQL Server Integration Services, SQL Server Agent jobs, and PowerShell scripting. Learn how to schedule, monitor, and maintain repeatable database operations efficiently. Chapter 12 – Azure SQL and Synapse Integration: Discover how T-SQL extends into the cloud with Azure SQL Database and Azure Synapse Analytics. This chapter covers cloud readiness, performance considerations, and hybrid integration scenarios. Chapter 13 – Security, Permissions, and Auditing: Protect the sensitive data using SQL Server security features such as roles, permissions, and encryption. Also, learn how to implement auditing and access controls that align with enterprise and compliance requirements. Chapter 14 – Unit Testing T-SQL with tSQLt: Introduce test-driven development principles to the database layer using the tSQLt framework. This chapter demonstrates how to validate logic, prevent regressions, and improve code reliability. Chapter 15 – Case Studies and the Future of T-SQL: Apply T-SQL concepts through real-world case studies that reflect common enterprise challenges. Explore the emerging features and evolving best practices shaping the future of T-SQL development. Chapter 16 – Best Practices for T-SQL Development and Database Design: Consolidate the proven patterns for writing clean, maintainable, and high-performance T-SQL codes. In fact, this chapter provides practical guidelines for schema design, coding standards, and long-term maintainability.