Refresher/m/SQL/Most Frequently Asked

Basic Concepts
Gohome.png
Most Frequently Asked
Ledgray.png
 Inner join: intersection, e.g. SELECT Person.LastName, Person.FirstName, Sales.OrderNo FROM Person INNER JOIN Sales ON Person.P_Id=Sales.P_Id ORDER BY Person.LastName
Ledgray.png
 Outer join: union, e.g.