Which of the following statements about the requirements of table design is incorrect?

A. Values of a specific attribute must be of the same type.
B. Each attribute (column) of a record (row) must be single-valued.
C. Each attribute in a table must have a unique name.
D. All other non-key attributes in a table must describe a characteristic of the class (table) identified by the foreign key.


Answer: D

Business

You might also like to view...

Which of the following accounting principles or conventions is contradictory to the GAAP requirement to expense R&D costs immediately?

A) historical cost principle B) comparability C) conservatism D) matching principle

Business

End caps are used for

A. supporting freestanding displays that attract customers. B. supporting shelves and racks to be mounted on walls. C. displaying merchandise that is being promoted. D. higher-margin, impulse, and sale merchandise. E. housing mannequins to display apparel.

Business

When should an analyst use nominal cash flows and when should an analyst use real cash flows?

Business

On September 30, the Drying Department of Jamoca, Inc. had ending Work-in-Process Inventory that was 28% complete for materials and 23% complete for conversion costs. The company uses the FIFO method. This means that for the ending Work-in-Process inventory, ________% of materials and ________% of the conversion costs were added during September.

A) 77; 72 B) 72; 77 C) 23; 28 D) 28; 23

Business