Which SQL statement defines the FOREIGN KEY constraint on the DEPTNO column of the EMP table? EMPLOYEES EMPLOYEE ID EMP NAME DEPT ID MGR ID JOB ID SALARY 4000 2500 101 Smith 20 SA REP 120 105 120 102 Martin 10 CLERK 103 Chris John Diana Smith 20 ADMIN HR CLERK 2500 IT ADMIN IT 4200 104 105 106 30 108 30 108 5000 40 110 AD ASST 3000 108 110 120 Jennifer Bob 30 HR DIR EX DIR SA DIR 110 6500 40 SO00 Ravi 20 110 6500 DEPARTMENTS DEPARTMENT ID DEPARTMENT NAME 10 20 30 40 Admin Education IT Human Resources
Which SQL statement defines the FOREIGN KEY constraint on the DEPTNO column of the EMP table? EMPLOYEES EMPLOYEE ID EMP NAME DEPT ID MGR ID JOB ID SALARY 4000 2500 101 Smith 20 SA REP 120 105 120 102 Martin 10 CLERK 103 Chris John Diana Smith 20 ADMIN HR CLERK 2500 IT ADMIN IT 4200 104 105 106 30 108 30 108 5000 40 110 AD ASST 3000 108 110 120 Jennifer Bob 30 HR DIR EX DIR SA DIR 110 6500 40 SO00 Ravi 20 110 6500 DEPARTMENTS DEPARTMENT ID DEPARTMENT NAME 10 20 30 40 Admin Education IT Human Resources
Chapter11: Group Functions
Section: Chapter Questions
Problem 18MC
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Transcribed Image Text:Which one is correct
Which SQL statement defines the FOREIGN KEY constraint on the DEPTNO column of the EMP table?
EMPLOYEES
EMPLOYEE ID EMP NAME DEPT ID MGR ID JOB ID
SALARY
4000
S00
101
Smith
20
SA REP
CLERK
120
102
Martin
Chris
John
Diana
Smith
Jennifer
Bob
Ravi
10
105
103
104
20
120
ADMIN
4200
30
105
106
108
1O8
110
HR CLERK 2500
IT ADMIN
AD ASST
30
SO00
FO00
40
108
110
120
30
40
20
110
HR DIR
6500
110
SA DIR
6500
DEPARTMENTS
DEPARTMENT ID DEPARTMENT NAE
10
20
30
40
Admin
Education
IT
Human Resources
CREATE TABLE EMP (empno NUMBER(4), ename VARCHAR2(35), deptno
O NUMBER(7,2) NOT NULL, CONSTRAINT emp_deptno_fk FOREIGN KEY deptno
REFERENCES dept deptno);
CRETE TABLE EM (empno NUMBER(4), ename VARCHAR2(35) deptno NUMBER (7,2)
O NOT NULL, CONSTRAINT em_deptno_fk REFERENCES dept (deptno) FOREIGN KEY
(deptno));
CREATE TABLE EMP (empno NUMBER (4), ename VARCHAR2(35), deptno
ONUMBER(7,2) FOREIGN KEY CONSTRAINT emp deptno fk REFERENCES dept
(deptno));
CREATE TABLE EMP (empno NUMBER(4), ename VARCHAR2(35), deptno
NUMBER(7,2) CONSTRAINT emp_deptno_fk FOREIGN KEY(deptno)REFERENCES dept
(deptno);
None of above
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