Can I read Understanding Foreign Key Constraints in SQL on EtoBox?
Understanding Foreign Key Constraints in SQL by itxjack100 is a document available to read on EtoBox.
What is Understanding Foreign Key Constraints in SQL about?
The document discusses foreign key constraints in relational databases, emphasizing that values in one relation must correspond to values in another. It outlines how to express these constraints using SQL, including policies for maintaining referential integrity such as default, cascade, and set-null. Additionally, it covers the specification of constraints, assertions, and triggers to enforce data integrity and manage database events.
- Author
- itxjack100
- Language
- EN