What is the main purpose of using column or table aliases in a SELECT statement?

Problem Statement

Explanation

Aliases are temporary names for columns or tables in a single query. They improve readability and help when the same table is referenced twice. They do not change schema or metadata; they exist only during the statement.

Code Solution

SolutionRead Only

SELECT e.id AS emp_id, d.name AS dept
FROM employees e JOIN departments d ON d.id = e.dept_id;

Practice Sets

This question appears in the following practice sets:

SQL Core Fundamentals

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What is the main purpose of using column or table aliases in a SELECT statement?

Problem Statement

Explanation

Code Solution

Practice Sets

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Master Interviews Anywhere, Anytime

What is the main purpose of using column or table aliases in a SELECT statement?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

Which SQL statement retrieves all columns and rows from a table named employees?

Which clause filters rows before aggregation and affects which rows are grouped?

What is the default sort order when ORDER BY is used without ASC or DESC?

Which construct is commonly used to paginate results in SQL engines like Postgres and MySQL?

Which predicate correctly checks for missing values in standard SQL?

More from SQL & Databases

Master Interviews
Anywhere, Anytime