A poorly designed database can cause a host of problems, including:
Duplicate or Inconsistent Data
These problems can end up being very expensive for your company, and could even
render your database totally useless. A solid, well-functioning database begins
and ends with good design.
Good design begins with a graphical representation of the real-world
organization of the data that needs to go into your database, and the way it
will be used. We make use of one, or a combination of, the following data