Example
A view can be a really complex query(aggregations, joins, subqueries, etc). Just be sure you add column names for everything you select:
Create VIEW dept_income AS
SELECT d.Name as DepartmentName, sum(e.salary) as TotalSalary
FROM Employees e
JOIN Departments d on e.DepartmentId = d.id
GROUP BY d.Name;
Now you can select from it as from any table:
SELECT *
FROM dept_income;
| DepartmentName | TotalSalary |
|---|---|
| HR | 1900 |
| Sales | 600 |
