SQL Subqueries | Subqueries in SQL - This SQL video teaches Subqueries using northwind database example table.
SQL is a standard language for storing, manipulating and retrieving data in databases. Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems.
Subscribe: https://www.youtube.com/c/ExternCode/featured
#sql