1.

In the following query, what does person_id stands for?
 CREATE TABLE Student
 (id SMALLINT UNSIGNED,
 fname VARCHAR(20),
 lname VARCHAR(20) ,
 CONSTRAINT pk_Student PRIMARY KEY (Student_id));
A. Primary key
B. Composite key
C. Normal attribute of the table
D. Super key
E. None of these
Answer» E. None of these


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