In order to test your progress, you should be able to answer the following questions.
The %ROWTYPE attribute allows you to specify
_____ table-based records only.
_____ cursor-based records only.
_____ table-based and cursor-based records.
When creating a user -defined record, you must
_____ initialize all of its fields.
_____ initialize at least one of its fields.
_____ initialize a field only if there is a NOT NULL constraint defined in it.
An aggregate assignment statement will cause an error if table-based and cursor-based records have the same structure.
_____ True
_____ False
An aggregate assignment statement will cause an error if two user-defined records have the same structure yet different types.
An aggregate assignment statement will cause an error if table-based and user-defined records have the same structure.
Answers appear in Appendix A, Section 19.1 .