The lateral column alias in Databricks allows users to reuse an expression specified earlier in the same SELECT list, eliminating the need to use nested subqueries and Common Table Expressions (CTEs) in many cases. This blog post discusses the use cases of the feature and the benefits it brings to Spark and Databricks users. Page Contents Introduction What is Lateral Column Alias Support? Benefits of using Lateral Column Alias in Databricks SQL Alternative Methods to Lateral Column Alias in Databricks SQL Conclusion Introduction Databricks has introduced a much needed lateral…