2.2 database system. 2.2.1 the meaning of database (Database) is the related information is gathered systematically stored. In order to manage information and improve security in data access. Early computer data storage method is used to create a data file (File Falt) using a computer program languages such as Paschal II language basic or COBOL. Create a data file by means of the language. The problem, according to development is to improve and modify the structure makes the difficult and cause compatibility problems of data because the data files that are generated from various computer languages are structured according to the file format of the language so it could not be used to share information.
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