Everyone has faced the situation: one day the feature works, the next day it doesn't.
But what should the testers do?
Shall we go to the developers? To the DevOps?
Shall we prove the necessity of the next monitoring to the entire product and development team?
The talk will provide practical advice for a wide range of QA engineers: we will learn how to write alerts quickly and efficiently, using SQL and the Redash - graphical interface for databases. We will ease developers and admins of headaches and get a flexible tool with minimum expenses.