In SQL, the primary key is used to uniquely identify each ____________ in a table.
- Column
- Entity
- Record
- Row
The primary key in SQL uniquely identifies each row in a table. It ensures that each row is distinct from others and serves as a reference point for other tables when establishing relationships.
Loading...
Related Quiz
- Scenario: You are responsible for implementing continuous integration for database testing in your organization. Which factors should you consider when selecting a CI/CD tool for this purpose?
- What are some common challenges faced during the database testing process?
- ____________ is an essential component of automation frameworks that helps manage test data efficiently.
- Which data retrieval operation benefits the most from proper indexing?
- What is the purpose of audit trails in database security?