In the previous section we saw Aggregate Functions, in this section let us discuss Scalar Functions. Scalar Function: A scalar…

What is an Alias? An SQL alias is simply an alternative name that can be used to refer to a…

What is an SQL Join? The SQL Join clause is used to combine rows from two or more related tables…

SQL set operations combine the output of two or more SELECT statements into a single result set. The set operators…

What are SQL Views? Views are virtual tables in SQL. A view, like every other table in the database, has…