UNIQUE Constraint

# Understanding the SQL UNIQUE Constraint: Ensuring Data Integrity Ever tried to register for a website with an email already in use? That's a UNIQUE constraint in action! In the world of databases, ensuring data integrity is paramount. The `UNIQUE` constraint in SQL is a powerful tool that prevents duplicate entries in your tables, safeguarding the reliability and consistency of your data. This article will provide a comprehensive guide to understanding and implementing UNIQUE constraints in