IBM
C2090-558 · Question #78
C2090-558 Question #78: Real Exam Question with Answer & Explanation
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Question
Click the Exhibit button. In the exhibit, which ALTER TABLE statement is used to add the foreign key constraint where customer_num column in the orders table is a foreign key that references the customer_num column in the customer table?
Exhibit
Options
- AALTER TABLE customer ADD CONSTRAINT (FOREIGN KEY (order_num) REFERENCES
- BALTER TABLE orders ADD CONSTRAINT (FOREIGN KEY (order_num) REFERENCES
- CALTER TABLE customer ADD CONSTRAINT (FOREIGN KEY (customer_num) REFERENCES
- DALTER TABLE orders ADD CONSTRAINT (FOREIGN KEY (customer_num) REFERENCES
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