In DB2, what does a view represent?
- Index table
- Physical table
- Temporary table
- Virtual table
In DB2, a view represents a virtual table that does not store data physically but rather provides a logical representation of data stored in one or more underlying tables. Queries against views are processed by fetching data from the underlying tables based on the view's definition.
Loading...
Related Quiz
- How can denormalization lead to potential data inconsistency issues?
- Which type of subquery returns a single value and can be used within expressions or conditions in SQL statements?
- Scenario: A DBA is analyzing the performance of a complex SQL query in DB2. How can Visual Explain assist in this analysis?
- How does DB2 handle deadlock situations during monitoring and troubleshooting?
- How does the AVG() function handle NULL values in DB2?