The equivalent data modeling, relational, and production terms are shown in the following table.
Data Structure Terms
|
CA Gen Model |
Relational Term |
Production |
|---|---|---|
|
Data Model |
Data structure (physical design) |
Database implementation by the DBMS |
|
Entity Type and its Subtypes |
One Table |
Table |
|
Attribute - Basic |
Column |
Column |
|
Attribute - Designed |
Column |
Column |
|
Attribute - Derived |
Not implemented physically |
Not implemented physically |
|
Attribute - Auto Number |
Column |
Column |
|
Relationship (1:1 or 1:M) |
Foreign key |
RI constraint |
|
Relationship (M:N) |
Table |
Table |
|
Identifier |
Index |
Index (unique) |
|
N/A (added to the Data Structure List) |
Denormalized column |
Column |
|
N/A (added to the Data Structure List) |
Index |
Index (typically non-unique) |
|
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