Safely using INSERT , UPDATE , DELETE , and MERGE statements. Why Professionals Choose It
"You think in terms of the result set, not the process."
Understanding the exact order in which SQL Server evaluates clauses (e.g., how FROM is processed before SELECT ). itzik ben-gan t-sql fundamentals
By applying these concepts and best practices, you'll be able to write efficient, effective, and maintainable T-SQL code, taking your database skills to the next level.
The concepts apply to modern environments, including SQL Server 2022 , Azure SQL Database , and Azure SQL Managed Instance . Safely using INSERT , UPDATE , DELETE , and MERGE statements
Itzik Ben-Gan emphasizes the importance of writing efficient, readable, and maintainable T-SQL code. Some best practices to keep in mind:
When facing any query problem, his recommended mental steps: The concepts apply to modern environments, including SQL
Moving beyond basics to window functions, pivoting, and grouping sets.
T-SQL Querying (same author) – but only after you have completed all exercises in Fundamentals and waited one month. The spacing effect matters.