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Which SQL statement defines the FOREIGN KEY constraint on the DEPTNO column of the EMP table?

Which SQL statement defines the FOREIGN KEY constraint on the DEPTNO column of the EMP table?

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Which SQL statement defines the FOREIGN KEY constraint on the DEPTNO column of the EMP table? a. Create table EMP (empno number(4), ename varchar2(35), deptno number(7,2) not null constraint emp_deptno_fk FOREIGN KEY deptno refrences dept deptno); b. Create table EMP (empno number(4) primary key, ename varchar2(35), deptno number(7,2) foreign key constraint emp deptno fk REFERENCES dept(deptno)); c. Create table EMP (empno number(4) ,ename varchar2(35), deptno number(7,2) Not Null constraint emp_deptno_fk REFERENCES dept(deptno) foreign key(deptno)); d. Create table EMP (empno number(4) primary key, ename varchar2(35), deptno number(7,2) constraint emp_deptno_fk REFERENCES dept(deptno)); Just answer without explanation please
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