What are the various types of the Decision Support System?

1. Status inquiry systems
The different aspects of the decision making situation control the various decisions in the operational management and some at the middle management. It does not call for any type of computation, analysis etc. If the status is known the decision is automatic.

2. Data analysis system
The different decision systems involve use of the comparative analysis and then make use of the formula or an algorithm. These processes are un-structured in the nature.
For the development of the data analysis system, simple data processing tools and the business rules are required. Examples of such a system can be personnel inventory system, cash flow analysis etc.

3. Information analysis system
First of all the data is analyzed and then the generation of the information reports takes place. Various types of the exceptions can occur in the reports as these are used for the assessment of the situation. Examples of such a system can be sales analysis, accounts receivable etc.

4. Accounting system
The use of such systems is not necessary but can be used for controlling or keeping a track of the different aspects of the business or a function. These systems account items like the cash, the inventory, and the personnel.

5. Model based system
Acts as the stimulation models or the optimization models for the decision making. These decisions are usually one time and in – frequent and also guide during the operation or the activity.
Examples of such a system can be product mix, job scheduling rules etc.