Term
|
Definition
| is a textual description of the business event and describes how the user interacts with the system to accomplish the task |
|
|
Term
|
Definition
| a single occurrence of an entity |
|
|
Term
|
Definition
| an entity that inherits its primary key from more than one other entity |
|
|
Term
|
Definition
| a data analysis technique that organizes data into groups to form non-redundant, flexible, and adaptive entities |
|
|
Term
|
Definition
| defines the minimum and maximum number of occurrences of one entity for a single occurence of the related entity |
|
|
Term
|
Definition
| a group of attributes that uniquely identifies an instance of an entity |
|
|
Term
|
Definition
| the conservation of inputs and outputs to a process when that process is decomposed to a lower level of DFD |
|
|
Term
|
Definition
| is the act of breaking a system into component subsystems, processes and sub-processes |
|
|
Term
|
Definition
| a process that has inputs but no outputs |
|
|
Term
|
Definition
| is when the inputs are insuffiecient to produce the output |
|
|
Term
|
Definition
| a process that has outputs but no inputs |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
