Chartered Accountant
239 Points
Posted on 30 June 2012
It is a kind of information database. Similar to an ERP software (without getting into the technicalities)
In short and simple terms, a software/ package that lets you enter data, stores it, lets you generate customised report.
I just gave a rough picture, for further info refer ISCA material wherein there is a detailed discussion on DSS/ expert system etc