Which three statements are true about a self join? (Choose three.)
Posted: Sun Jun 11, 2023 3:55 pm
Which three statements are true about a self join? (Choose three.)
A. The ON clause must be used
B. The query must use two different aliases for the table
C. It must be an equijoin
D. It must be an inner join E. The ON clause can be used F. It can be an outer join
A. The ON clause must be used
B. The query must use two different aliases for the table
C. It must be an equijoin
D. It must be an inner join E. The ON clause can be used F. It can be an outer join