You are a data analyst at a small company. During a team meeting, your manager asks you to retrieve the record of an employee named 'John Doe' from the 'Employees' table. What is the 'record' in this context?
A single column containing data about 'John Doe'
A single row containing all data about 'John Doe'
A file containing data about all employees
A summary of 'John Doe's' performance reviews