Short Note on Decision Table

Decision Table :-

It is a matrix representation of the logic of a decision, which specifies the possible conditions for the decision and the resulting actions.

                          Decision table are used to define clearly and concisely the statement of a problem in a tabular format.

Advantage :-

1 . They are easier to draw.

2 . They provide a compact representation of the decision making process. A small table can be               replace several pages of flow chart.

3 . Decision table can be changed according to the situation.

4 . It is also much easier to understand a particular path down one column than through several pages      of the flow chart.

5 . Decision tables are based suited for calculating discount, commissions or inventory control                 procedures.

Disadvantage :-

1 . Decision table can not express the complete sequence of operations to solve a problem, It may be       difficult for a programmer to translate a decision table directly into a computer program.

2 . When there are two many alternatives, decision table cannot  list them all.

3 . Decision table does not depict the flow of logic for the solution to a given problem.