You are creating a form that will access an Oracle8 database. On which three sources can you base a data block?（）
- A、BFILE
- B、REF column
- C、Object table
- D、Column object
- E、INSTEAD-OF trigger
正确答案:B,C,D
答案解析:有
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Oracle认证考试
Oracle认证考试
You are creating a form that will access an Oracle8 database. On which three sources can you base a data block?（）
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