大數(shù)據(jù)就業(yè)實(shí)戰(zhàn)培訓(xùn) Oracle就業(yè)實(shí)戰(zhàn)培訓(xùn)
Oracle OCP 19c 認(rèn)證1Z0-082考試題庫(第12題)-CUUG內(nèi)部學(xué)員版082題庫解析
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
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