Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

In a recent paper titled "SQL Has Problems. We Can Fix Them", a research team at Google proposed the introduction of a new Pipe Syntax in SQL. Google's solution to address perceived limitations in ...

But, if you specify select * from connection to remote (select employee_title as title, avg (employee_years), freq (employee_id) from sql.employee group by title order by title); ...