1Z0-051 Exam Dumps | Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER NOT NULL, Primary Key EMP

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Question 149/290

Examine the structure of the EMPLOYEES table:
EMPLOYEE_ID NUMBER NOT NULL, Primary Key
EMP_NAME VARCHAR2(30)
JOB_ID NUMBER\
SAL NUMBER
MGR_ID NUMBER References EMPLOYEE_ID column
DEPARTMENT_ID NUMBER Foreign key to DEPARTMENT_ID column of theDEPARTMENTS table You created a sequence called EMP_ID_SEQ in order to populate sequential values for the EMPLOYEE_ID column of the EMPLOYEES table.
Which two statements regarding the EMP_ID_SEQ sequence are true? (Choose two.)

A. You cannot use the EMP_ID_SEQ sequence to populate the JOB_ID column.

B. The EMP_ID_SEQ sequence is invalidated when you modify the EMPLOYEE_ID column.

C. The EMP_ID_SEQ sequence is not affected by modifications to the EMPLOYEES table.

D. Any other column of NUMBER data type in your schema can use the EMP_ID_SEQ sequence.

E. The EMP_ID_SEQ sequence is dropped automatically when you drop the EMPLOYEES table.

F. The EMP_ID_SEQ sequence is dropped automatically when you drop the EMPLOYEE_ID column.

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