Representing a one-to-many recursive relationship requires which of the following?
A) Additional table with a primary key, but without a foreign key
B) Additional table with a composite primary key that acts as a foreign key
C) No additional table modification
D) Additional foreign key that is also a primary key in the same table
D
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To ensure that superior value is delivered to customers, suppliers provide help in the form of _______ which includes courses, seminars, certification programs and building skills
a. training and coaching b. sales and marketing programs c. operational and technical support d. pricing support
Which of the following is a false statement regarding OCR?
A. It is limited to the use of 30 letters and symbols. B. It is often used for scanning labels. C. Scanned data are often input into a database. D. OCR data are easily read by humans.