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Which one of the following SQL statements drops a foreign key in a relational table EMPLOYEE ? a. DROP TABLE EMPLOYEE FOREIGN KEY employee_fkey; b.
Which one of the following SQL statements drops a foreign key in a relational table EMPLOYEE ? a. DROP TABLE EMPLOYEE FOREIGN KEY employee_fkey; b. ALTER TABLE EMPLOYEE DROP FOREIGN_KEY employee_fkey; c. ALTER FOREIGN KEY employee_fkey DROP; d. DROP FOREIGN KEY EMPLOYEE.employee_fkey IN EMPLOYEE
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