2.2.3 principles of database design before starting to create the database. Necessary to have the design of the database first. That data is stored in the database consists of what is stored and in what format, then the database is initially created and the steps in designing a database with these steps. 2.2.3.1. the objective in creating the database that you want to use the data storage about? 2.2.3.2. the objective in creating the database that you want to use it to do something, and what this system needs, such as the summary report, which clearly must be specified. 2.2.3.3 inquire into the needs of users that want to access the system, and the results that have come out of what that system. What is optional and what can help with system performance areas. 2.2.3.4 analyze and gather all the necessary information. 2.2.3.5 write data groups that want to keep in the database system in the format of a table (Table) Based on a relationship that is the same thing or not. 2.2.3.6 analyzes data for each table to define fields or data field. 2.2.3.7 consider master fields (Primary Key) of each table. 2.2.3.8 data structure analysis based on the principle of Normalization, so. A data table that has a complex structure and is not valid. 2.2.3.9 defines a data type (Data Type) that want to store that in any format. 2.2.3.10 define database relationships (Relationship)
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