In this session, we will explore how bad AL coding practices can lead to inefficient SQL queries, impacting the performance of Business Central. We will analyze SQL queries that are produced by bad AL code. A deep dive into SQL will show us what you should be aware of by writing your AL code and what the alternative is for it. Discover the hidden costs associated with poorly written code and learn how to avoid common pitfalls that can cause redundant database hits, excessive data reads, and overall SQL server stress. By understanding the relationship between AL code and SQL performance, you'll gain insights into best practices for writing efficient code that minimizes unnecessary database load. Equip yourself with the knowledge to optimize data retrieval, enhance system performance, and ensure your Business Central extensions run smoothly.