What is an alias?

SQL SELECT, filtering and sorting · Freshers

Model answer

A temporary name for a column or table in a query: SELECT price * qty AS total FROM orders o. Aliases make results readable and are required to refer to the same table twice (self-joins).

Learn this topic

SELECT, FROM and WHERE: Your First Queries in the course SQL for Beginners: Learn Databases Step by Step.

Sign in to add your own answer.

More questions

• How do you select specific columns and filter rows?
• How do you combine conditions in WHERE?
• What does LIKE do, and what are % and _?
• How do you sort and limit results?
• What does DISTINCT do?
• What is the difference between WHERE and HAVING?