Loading
Topic
Key Constraints
1 post about Key Constraints by 1 contributor.
Know Key Constraints? Share what you know with developers who are learning it.
+ Follow Key ConstraintsBe the first to follow this
- Articles
- 1
- Contributors
- 1
Everything about Key Constraints
- Article · SQL Server
Types of Keys in SQL
In SQL, keys play a crucial role in maintaining data integrity and defining relationships between tables. Common types include the Primary Key, which uniquely identifies records; the Foreign Key, linking tables; the Unique Key, ensuring unique values; and the Composite Key, made of multiple columns.
