Friday, 15 February 2013

Decision Table


By on 23:10

Decision Table is the tabular representation of logic and decision.Sometime it is very difficult to create a flowchart for many condition,so at that conditions we used Decision table.So Decision table is a table which is used to create complex program logic of system/software.

Decision Table is divided into 4 parts:-


1)Conditions


2)Actions


3)Condition Entries


4)Action Entries


Type of Decision Table:-


1)Limited Entry Table(Action and statement are full)


2)Mixed Entry Table(Action and statement are partially full)


3)Extended Entry Table(Action and statement are not complete).


Sample/Example of decision table(Format):-


Condition Rule 1 Rule 2 Rule 3 Rule 4
Joy's Play Y Y N
Jame's Play N Y Y
Rome's Play Y N Y
Actions


Joy's Play X X

Jame's Play
X X X

Advantages of decision table:-

1)Very simple to create.

2)Easy to understand.

3)Easy to convert into computer program.

4)Table can be split.

5)We can change table according to requirements.

Disadvantages of decision table:-

1)In Simple conditions,flowchart will be beneficial.

2)When to many condition,action than decision table can not list them.

Related posts:-

1)Data Dictionary.
2)Decision Tree.


That's all about what is decision table testing technique,if you have any query then leave your comments and don't forgot to follow me on Google+,Facebook,Twitter.

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