In this lesson, we’ll discuss a couple of solutions for the previous exercise – finding the day in the timeline with the highest trend. When we plot a timeline
the trends are visible to the naked eye. Not to the machine though. 
Adding trends to the timeline query could be useful for setting up alarms or when we retrospectively analyze data. For example, when we missed a bug or when the error happened in the external system (like marketing campaign was accidentally shut down or our payment provider had some downtime).
Calculating trend via range...
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About SQL Habit
Hi, it’s Anatoli, the author of SQL Habit. 
SQL Habit is a course (or, as some of the students say, “business simulator”). It’s based on a story of a fictional startup called Bindle. You’ll play a role of their Data Analyst
and solve real-life challenges from Business, Marketing, and Product Management.
SQL Habit course is made of bite-sized lessons (you’re looking at one atm) and exercises. They always have a real-life setting and detailed explanations. You can immediately apply everything you’ve learned at work. 