You've written the same 12-line JOIN query for the third time this week. It lives in your reporting script, your admin dashboard, and your data export job. Every time the business logic changes, you update it in three places — and inevitably miss one. SQL views were built to fix exactly this. A view is a named, stored query that you can treat like a table. Define your logic once, then reference it from anywhere. This article walks through everything you need to know to start using views effectively: what they are, how to create them, real-world scenarios where they shine, and the gotchas that trip people up. What Is a SQL View? A view is a virtual table based on the result of a SELECT statement. It doesn't store data itself — it stores the query . Every time you SELECT from a view, the database runs that underlying query and returns fresh results.…