What Are Constraints in SQL?

In SQL, constraints are rules that are enforced on a table’s data to maintain the integrity and accuracy of the data. Constraints can be applied to one or more columns in a table, and they can be added or removed as needed. Here are some of the most common types of constraints in SQL: Constraints…

Read More “What Are Constraints in SQL?” »

The post What Are Constraints in SQL? appeared first on Data Analytics Ireland.