Merely reading the book is not enough. To truly master T-SQL, you must through the material. Here is a recommended approach:
Mastering the WHERE clause involves understanding three-valued logic. In T-SQL, a predicate can evaluate to TRUE , FALSE , or UNKNOWN (when dealing with NULL values). The book and its accompanying GitHub scripts offer excellent exercises to help you master NULL handling and avoid missing data bugs. 3. Joins and Subqueries tsql fundamentals 3rd edition pdf github work