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2. Entity–relationship model - Wikipedia

   en.wikipedia.org/wiki/Entity–relationship_model

   An entity–relationship model (or ER model) describes interrelated things of interest in a specific domain of knowledge. A basic ER model is composed of entity types (which classify the things of interest) and specifies relationships that can exist between entities (instances of those entity types).

3. Database design - Wikipedia

   en.wikipedia.org/wiki/Database_design

   Attributes in ER diagrams are usually modeled as an oval with the name of the attribute, linked to the entity or relationship that contains the attribute. ER models are commonly used in information system design; for example, they are used to describe information requirements and / or the types of information to be stored in the database during ...

4. Resources, Events, Agents - Wikipedia

   en.wikipedia.org/wiki/Resources,_Events,_Agents

   Here is an example of the basic REA pattern shown as an E-R diagram: The pattern is extended to encompass commitments (promises to engage in transactions, e.g., a sales order), policies, and other constructs.

5. Data modeling - Wikipedia

   en.wikipedia.org/wiki/Data_modeling

   Example of an IDEF1X entity–relationship diagrams used to model IDEF1X itself. The name of the view is mm. The domain hierarchy and constraints are also given. The constraints are expressed as sentences in the formal theory of the meta model. [8] There are several notations for data modeling.

6. C4 model - Wikipedia

   en.wikipedia.org/wiki/C4_model

   The C4 model relies at this level on existing notations such as Unified Modelling Language (UML), Entity Relation Diagrams (ERD) or diagrams generated by Integrated Development Environments (IDE). For level 1 to 3, the C4 model uses 5 basic diagramming elements: persons, software systems, containers, components and relationships.

7. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

8. Conceptual model - Wikipedia

   en.wikipedia.org/wiki/Conceptual_model

   Entity–relationship modeling is a database modeling method, used to produce a type of conceptual schema or semantic data model of a system, often a relational database, and its requirements in a top-down fashion. Diagrams created by this process are called entity-relationship diagrams, ER diagrams, or ERDs.

9. What You Didn't Learn In Sex Ed

   projects.huffingtonpost.com/cliteracy/education?...

   From ancient history to the modern day, the clitoris has been discredited, dismissed and deleted -- and women's pleasure has often been left out of the conversation entirely. Now, an underground art movement led by artist Sophia Wallace is emerging across the globe to challenge the lies, question the myths and rewrite the rules around sex and the female body.