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You want to make use of the object features available in the database for the form module you are developing. Which three statements about object types are true? ()

发布日期:2022-06-25

You want to make use of the object features availa...
A

An object type is a user-defined composite data type.

B

The attributes of an object type can be those of other object types.

C

A PL/SQL table of records is an example of a nested object type.

D

An object type must be declared as a type before the actual object itself can be declared.

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