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2. Entity–relationship model - Wikipedia

   en.wikipedia.org/wiki/Entity–relationship_model

   Crow's foot notation, the beginning of which dates back to an article by Gordon Everest (1976), [16] is used in Barker's notation, Structured Systems Analysis and Design Method (SSADM), and information technology engineering. Crow's foot diagrams represent entities as boxes, and relationships as lines between the boxes.

3. Cardinality (data modeling) - Wikipedia

   en.wikipedia.org/wiki/Cardinality_(data_modeling)

   The entity–relationship model proposes a technique that produces entity–relationship diagrams (ERDs), which can be employed to capture information about data model entity types, relationships and cardinality. A Crow's foot shows a one-to-many relationship. Alternatively a single line represents a one-to-one relationship. [4]

4. Comparison of data modeling tools - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_data...

   ORM, Relational(Crow’s foot option), Barker Yes Yes Update database and/or update model No Open ModelSphere: Conceptual, Logical, physical IDEF1X, IE (Crow’s foot), and more Yes Yes Update database and/or update model No Oracle SQL Developer Data Modeler Logical, physical Barker, IE (Crow’s foot), and Bachman Yes Yes Update database and ...

5. Barker's notation - Wikipedia

   en.wikipedia.org/wiki/Barker's_notation

   Barker's notation refers to the ERD notation developed by Richard Barker, Ian Palmer, Harry Ellis et al. whilst working at the British consulting firm CACI around 1981. The notation was adopted by Barker when he joined Oracle and is effectively defined in his book Entity Relationship Modelling as part of the CASE Method series of books.

6. IDEF1X - Wikipedia

   en.wikipedia.org/wiki/IDEF1X

   Three levels of view are defined in IDEF1X: entity relationship (ER), key-based (KB), and fully attributed (FA). They differ in level of abstraction. The ER level is the most abstract. It models the most fundamental elements of the subject area - the entities and their relationships. It is usually broader in scope than the other levels.

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   mail.aol.com

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8. Talk:Entity–relationship model - Wikipedia

   en.wikipedia.org/wiki/Talk:Entity–relationship...

   It's not therefore an example of a notation "more typically employed in logical and physical database design". The IE methodology does use entity-relationship diagrams, and I've added a wikilink to it in the Crow's Foot section to replace the wikilink in the introduction. --Northernhenge 09:50, 11 April 2008 (UTC)

9. ‘CrowTok’ is trying to rehabilitate the relationship between ...

   www.aol.com/crowtok-trying-rehabilitate...

   Steinke’s crows have become minor TikTok celebrities in the niche corner of the internet dubbed “CrowTok,” which has exploded in popularity in the past two years. “I have followers that ...