Notes: Why a database?


When you look at business management packages featuring POS, Inventory Control, Customer Relations Management, Scheduling, Production Planning or Accounting you are looking at applications using something called a database.

Any but the smallest businesses should be using databases rather than spreadsheets to record and report data.

Here is the difference . . .

A spreadsheet is a paper or electronic worksheet. You can list information in tables, perform calculations, and format reports. It is easy to enter or change the data, and for that reason spreadsheets are unsafe for important business records. They are also inefficient, requiring lots of copy and paste. Spreadsheets are intended to be "static" and temporary.

A database is far more complex; it is a structured or disciplined way to store and retrieve data. The full name "relational database" means that information is stored in a variety of tables that can be linked or "related" to handle the data efficiently and safely. Users never interact with the data directly but only through multiple interactive forms and reports. Databases are designed to be "dynamic" and permanent.

Although Sumer uses spreadsheet formats to help visualize the application, Sumer is a database.

Most managers have never heard of a "relational database". Not a problem, because Sumer's database is invisible behind the scenes. We will never mention it again.


Large, medium, and small firms