In the following query person_id can beSELECT Emp_id, fname,Lname, Birth_date FROM Employee WHERE Emp_id=101;

Only Attribute but not a primary Key

Primary Key or any other Attribute

In the following query person_id can beSELECT Emp_id, fname,Lname, B

1.	In the following query person_id can be SELECT Emp_id, fname,Lname, Birth_date FROM Employee WHERE Emp_id=101;
A.	Only Attribute but not a primary Key
B.	Only Primary Key
C.	Primary Key or any other Attribute
D.	All of above
E.	None of these
Answer» D. All of above

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In the following query person_id can beSELECT Emp_id, fname,Lname, Birth_date FROM Employee WHERE Emp_id=101;

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In the following query person_id can be
SELECT Emp_id, fname,Lname, Birth_date FROM Employee
WHERE Emp_id=101;