A potential healthcare information system is always incorporated with a powerful database. It is essential to understand the key terminologies and parameters to gain strong foundation. Database administration is a complex task, as its designing needs a good understanding of the key terminologies and parameters. A relational database is a combination of tables designed by compiling data sets, all the information and available data is organized and arranged according to the relational model (Coronel et. al, 2013). The relational model also offers the database normalization, which offers various levels of ...