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  1. Find out the logical error in the following query?
    CREATE TABLE Employee
       ( Emp_id VARCHAR(50),
        Emp_Name VARCHAR (50),
        Emp_Address VARCHAR (50),
        Emp_Mobile_no  SMALLINT 
        );
    1. Primary key is missing
    2. Lesser number of columns
    3. Incorrect definition
    4. All of above
    5. None of these
Correct Option: A

Primary key is an essential attribute for each table declared in Mysql.


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