Business rulesName Institutional affiliationBusiness RulesIntroductionIn the context of database design, a business is any big or small organization, a business entity, a research laboratory, a government unit or a religious group that stores and uses some form of data to create information. Business rules therefore refer to brief, precise, and unambiguous statements that describe the policy, procedure, or principle inside a certain organization (Baldoni, 2006). The rules are created from a clear description of the operations within the organization. The aim of this document is to describe the main sources for business rules, why they are important, and what the database designer would do with them. Sources of business rulesDesigners need the business rules to develop accurate data model. These rules are however not always readily available to the designer. Database designers can create business rules from information obtained from various sources. The most common source is the policy makers. When there are no clear written rules, the designer can obtain information about the operations of the company from the company managers and the department managers. From an interview with the policy makers, the designer can develop the