DEFINITION SEMANTIC TAXONOMY

NESTING RELATIONSHIP - Membership of -Column-

Description

<Physical Data Entity>
 <Relational Data Block>
 Relational Entity

<Physical Data Slot>
<Physical Relationship>
Column

Membership of -Column-

RELATED ENTITIES

Connected EntityNameDescription
Nesting Entity  Relational EntityAbstract
A  Relational Entity is a relational data structure that is either a Table or a Table View.
A  Relational Entity is accessible by means of a primary key, and if necessary foreign keys; it is described by an ordered sequence of Columns.
Nested Entity  Column
A  Column is the basic component of a relational Relational Entity (Table or Table View).
 A Column is derived from the Attribute of a Logical Data Entity or an Association. It can be connected to the Index or the Key that it constitutes.