ocp 19c考題，科目082考試題(12)-about self-join

unix_5030發表於2022-01-11

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


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