Databases are the underlying framework of any information system. As such, the fortunes of any business or organization, in no small way, rest upon the efficacy and efficiency of their database systems.Business Database Systems arms readers with the knowledge to analyse, design and implement effective, robust and successful databases. Using a tried and tested three-phase methodology, the authors lucidly describe each facet of the database development lifecycle, giving a complete understanding of the fundamentals in this key topic area and helping to ensure that databases are the best that they possibly can be.