Logical Data Modeling - Identification

Data System Architecture


identification permits to identify a a primary element (ie an entity or a relationship)

Identification is not authentication

Some systems use the last four digits of a Social Security number as an authentication code, even though a Social Security number is a public identification number. You can’t change it. You can’t prevent others from having it. It’s a unique identifier, but it’s hardly a secret: a good number to identify me by, but a terrible one to authenticate me by. Your mother’s maiden name is a similarly lousy authentication code.

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Card Puncher Data Processing
(Web|Mobile) Analytics - User (Visitor Identity)

id he unique ID of the identify call itself received_at When the page or screen call was received sent_at When the page or screen call was triggered by the user number of unique users by each...
Data System Architecture
Logical Data Modeling

A data model in software engineering is a graph of entity that try to represent the reality and describes how data are represented and accessed. the real world consists of entities and relationships....
Data System Architecture
Logical Data Modeling - Primary Key (Id, Name)

A Primary Key is a key that identify indefinitely uniquely an element: entity or a in their local scope. It's a part of the fully qualified identifier. A real primary key is immutable as...
Data System Architecture
Logical Data Modeling - Primary Modeling Elements

In data modeling, the primary elements are: entity and relationship They are uniquely identifiable and therefore can be considered as resources. They are identified with the help of a primary key...
Data System Architecture
Logical Data Modeling - Relationship

A relationship is a model element that relates two entities . In its simple form (semantic form), it's a description that has a verb such as: has consists of uses ... entityentity setrelationship...
What is Authentication, known also as Access control, Identification, or AuthN?

Authentication is the process that establishes the identity of a user who accesses a resource of an application (page, image,...) It's abbreviated as AuthN for authentication versus AuthZ for authorization....

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