Avoiding common T-SQL query pitfalls requires careful attention to detail and thorough testing. It’s important always to use clear and concise syntax, avoiding ambiguous or vague language that could lead to unexpected results. Additionally, it’s crucial to properly index tables and optimize queries for performance, ensuring that they run as efficiently as possible. Avoiding unnecessary joins and subqueries is important, as these can significantly slow down query execution times. Finally, it’s essential to properly handle data types and conversions to avoid potential data loss or corruption. By following these best practices and staying vigilant in our approach to T-SQL queries, we can avoid common pitfalls and achieve better, more reliable results.  We at artofsql.net specialize in tuning, refactoring, and developing tables, stored procedures. tables, and functions with the best possible outcome to solve your needs.