Developers have noticed that emp table doesnt have an, Ask an Expert

Programming

Developers have noticed that the EMP table does not have an assigned primary key. The EMP_ID column has been selected to be the primary key. The table already has data in the table. When trying to assign the primary key, the operation fails. What are the probable causes for the inability to make the EMP_ID the primary key?

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DBMS, Programming

Category:- DBMS
Reference No.:- M9270745

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