Question

In the following SQL command “person_id” can be ____________

   SELECT person_id, fname,l name, Birth_data FROM person
   WHERE person_id=1;

a.

Only Primary Key

b.

Primary Key or any other Attribute

c.

Only Attribute but not a primary Key

d.

None of the mentioned

Posted under MySQL Database

Answer: (b).Primary Key or any other Attribute

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Q. In the following SQL command “person_id” can be ____________

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