In the Merise modeling methodology an association is a connection between entities
Written statement specifying what the information system must do or how it must be structured to support business needs
Data structure that contains an individual data item within a row in a PDM
Entity-relationship diagram that models the information system without considering the details of physical implementation
Named check that enforces data requirements, default values, or referential integrity on an entity or a entity attribute
Elementary piece of information
Set of values for which a data item is valid
Person, place, thing, or concept that has characteristics of interest to the enterprise and about which you want to store information
Elementary piece of information attached to an entity
Column or columns in a PDM whose values depend on and migrate from a primary key, or an alternate key, in another table
Entity attribute, or a combination of entity attributes, whose values uniquely identify each occurrence of the entity
Special relationship that defines an entity as a special case of a more general entity
Structure that is the logical design view of a software system. An OOM is a conceptual model of a software system
Table-reference diagram that models the information system including the details of physical implementation
Column or columns whose values uniquely identify a row in a table in PDM
Window that displays the properties of an object
Link between a parent table and a child table in a PDM. A reference can link tables by shared keys or by specified columns
Rules governing data consistency, specifically the relationships among primary keys and foreign keys of different tables in a PDM
Named connection or association between entities
Sub-classification used to extend the semantics of an object without changing its structure; it can be predefined or user-defined
Collection of rows (records) in a PDM that have associated columns (fields)
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