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多項(xiàng)選擇題

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

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單項(xiàng)選擇題

You need to create a data block for DML operations in the NEW_EMPLOYEE form module. Which data source can you use for this block?（）

A.REF cursor query.
B.Stored function.
C.From clause query.
D.Transactional trigger.

單項(xiàng)選擇題

You include the calendar class in your Hotel Booking application. Which additional form level objects will you need to create to implement this reusable component fully?（）

A.Blocks
B.Visual attributes.
C.Stacked canvas.
D.Nothing further needs to be created.

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