 
 <prompt> Which one HR department dey responsible for: maintaining the database, calculating expenses, or tracking employee details? Given di previous question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: As e dey usually happen, na only one conceptual (or logical) and physical (or internal) view of the data dey, but e fit get any number of different external views. Dis one dey allow users see database information for one business-related way instead of from one technical, processing viewpoint. For example, one financial department for one company fit need the payment details of all employees as part of the company's expenses, but e no need details about employees wey dey the interest of the human resources department. So different departments need different views of the company's database. 