Question: Using CASE
Explore how to apply CASE statements in SQL for real-world scenarios by writing a query that returns traffic light colors and corresponding driver actions. This lesson helps you understand session variables and conditional logic in SQL to handle complex data decisions effectively.
We'll cover the following...
We'll cover the following...
Question
Imagine you’re in charge of a traffic management system. Your task is to write an SQL query using a session variable and a CASE statement to evaluate the action drivers should take based on the color of a ...