SQL Server Course for Beginners with 100+ examples - Stored Procedures in SQL

The video tutorial explains the concept of aliases in SQL, which are used to give temporary names to tables or columns, making them more readable. It demonstrates how to use the AS keyword to create an alias, using a database example with an Employee table. The tutorial shows how to select specific columns and apply aliases to them, highlighting that aliases are temporary and only last for the duration of the query. The benefits of using aliases for readability are also discussed.

What is the purpose of using the AS keyword in SQL?

Describe the process of selecting a specific column from a table using an alias.

Explain the temporary nature of an alias in SQL.

What happens to the alias when a new query is executed?

How does an alias affect the readability of column names in SQL?