AWS Database Blog
Author: Vikas Gupta
Migrate rows with unique constraints to Amazon RDS for PostgreSQL or Amazon Aurora PostgreSQL
In a relational database management system, a unique key is a set of one or more attributes (columns) that uniquely identifies each row in a table. It ensures that no two rows in the table can have the same values for the specified attributes. The following are the features of a unique key: Uniqueness – […]