Final answer:
In Azure SQL Database, a combination of username and password is required for SQL Authentication.
Step-by-step explanation:
In Azure SQL Database, a combination of username and password is required for SQL Authentication. SQL Authentication is a type of authentication mechanism commonly used in database systems, including Azure SQL Database.
Azure AD Authentication, on the other hand, uses Azure Active Directory to authenticate users, but it doesn't require a combination of username and password.
Therefore, the correct choice in this case would be SQL Authentication.