Business Rules
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When involved in a business or even a business project, there are 3 major rules that are created to affect the way your business works. Usually, these are rules that involve employees or staff and are rules that specify what they can and cannot do. A great example of a business rule involves marriages. For many companies, a manager is not allowed to marry an employee or an accountant at a company is usually not allowed to marry another accountant. In this case, the accountants are not allowed to be married because there is a more likely chance that the spouses can change financial information and then cover for one another. These rules are intended to prevent disruption in a company or business. Business Rules are used every day to define entities, attributes, relationships and constraints. Usually though they are used for the organization that stores or uses data to be an explanation of a policy, procedure, or principle. The data can be considered significant only after business rules are defined, without them it’s just records, but to a business they are the characteristics that are defined and seen by the company. Business Rules help employees focus on and implement the actions within the organizations environment. Some things to think about when creating business rules are to keep them simple, easy to understand, keep them broad so that everyone can have a similar interpretation. To be considered true, business rules must be in writing and kept up to date.

Identifying Business Rules Identifying and documenting business rules are very important to the database design. Business rules allow the creator to develop relationship participation rules and constraints and to create a correct data model. They also allow the creators to understand business processes, and the nature, role and scope of the data. They are a communication tool between