If you run a business or an organization, membership database is a thing which is surely beneficial for anything that you run. If the thing that you run is a business that sells certain products, the database lets you to be able to contact your member or subscribers easier. There is no need to find some more difficult ways in offering some new products that you have if you own this kind of database.
If the one that you are running now is an organization, a charity organization for example, it is sure that this kind of database is also beneficial. Whenever you are about to hold a new charity action, it is sure to be very easy for you to inform your members about the actions. Doing this kind of thing creates a possibility for more people to come to the charity event of course.
If you think that this kind of database is the one that you need, the only thing that you need is no other but getting some software that will make the creating of the database to be much easier to do. This kind of software is not that hard for you to obtain because it is available here and there in some different versions.