Wildcard Character

A pattern character representing unknown text, such as % or _ with LIKE.

What is Wildcard Character in a relational database?

Wildcard Character — A pattern character representing unknown text, such as % or _ with LIKE.

SELECT customer_id, email
FROM customer
WHERE email LIKE '%@example.com';

Level: Apprentice · More Database terms at this level

Updated September 27, 2026