Now with teams effort data can be stored in the database safely. But that is not all.
When we use the data they are information.
Know we must make sure that we can minimize the number of mistake we can do in producing information.
It is again based on layered and simplicity.
For example The way you store the data can affect the way you will use them. I saw that in our design for example in finding some kinds of clients we were assuming a not very good and mistake prone way of having null/undef in fields.