Oracle OCP 19c 认证1Z0-082考试题库(第12题)

Oracle OCP 19c 认证1Z0-082考试题库(第12题)-CUUG内部学员版082题库解析

12.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 equi join

D. It must be an inner join

E. The ON clause can be used

F. It can be an outer join