Defining a Mission Statement
Defining a Mission Statement and Mission Objectives The first phase in the database design process is to define a mission statement and mission objectives for the database. The mission statement establishes the purpose of the database and provides a focus for the database developer. Every database is created for a specific purpose, whether it's to solve a specific business problem, to manage the daily transactions of a business or organization, or to be used as part of an information system. By identifying the purpose of the database and defining it in a mission statement, you will ensure that the appropriate design is created and the appropriate data is collected to support the intended purpose of the database.Along with the mission statement, mission objectives are defined in this phase. Mission objectives are statements representing the general tasks to be performed against the data collected in the database. These objectives are used to support the defined mission statement and aid in determining various aspects of the structure of the database. There are two separate groups of people who will be involved in defining the mission statement and the mission objectives. The first group, which includes the databas
It's unnecessary to refer to the entertainer's "type of entertainment" in this mission objective. Mission objectives such as these are easy to use as you design the database. Also note that the statement is more succinct and doesn't give the impression of being incomplete. Here are just a few examples of the types of questions you could pose during the interview: "What kind of work do you perform on a daily basis?" "How would you define your job description?" "What kind of data do you work with?" "What types of reports do you generate?" "What types of things do you keep track of?" "What types of services does your organization provide?" "How would you describe the type of work you do?" Any of these questions is likely to evoke a good, lengthy response from the participant. You can pose the same question to several people and receive different responses because each person may interpret the meaning of the question a little differently. " These mission objectives are well defined and easy to understand. " "We need to keep track of vehicle maintenance. They were easy to determine because their subjects are explicitly stated in the response. It relies on the ability to determine what information a response conveys implicitly as well as what it conveys explicitly. The mission statement and mission objectives interviews are the easiest you'll conduct during the design process because everyone is usually enthusiastic about participating. In some cases, a good question can prompt the participant to state the purpose of the database without much effort. Think of a mission statement as the flame of a candle located at the end of a dark tunnel. Now that you know how important it is to look for implicit information, keep it in mind when you're defining mission objectives. They are also used to help establish data integrity and to define Business Rules.
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