Data bases are widely used all over the world to manage and organise information, in schools they are used to manage the library books availability and the information that they have on the students attending the schools, contact details, which class they are attending and what their history is within the school. It is also used to store information on grades and the work that the students have done.
Data bases that are used by larger companies are much more sophisticated than small businesses however they have the same principle about input, processing and output of information and data. Data bases are widely used in the world by different organisations, it is mostly used for its relational database as it uses key fields to link different data in tables which then are related to each other with easy access, this is mostly used to generate project plans and estimating future costs. Operational databases are used to store