Examine the structure of the EMPLOYEES table:
Which UPDATE statement is valid?
A. UPDATE employeesSET first_name = ‘John’SET last_name = ‘Smith’WHERE employee_id = 180;
B. UPDATE employeesSET first_name = ‘John’,SET last_name = ‘Smoth’WHERE employee_id = 180;
C. UPDATE employeeSET first_name = ‘John’AND last_name = ‘Smith’WHERE employee_id = 180;
D. UPDATE employeeSET first_name = ‘John’, last_name = ‘Smith’WHERE employee_id = 180;
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