Relational Data Modeling - Foreign Key
Table of Contents
About
A foreign key is a metadata instruction that declare that a column in a table (called foreign table) holds data from another table primary key column.
Articles Related
- Dimensional Data Modeling - Measure
- Logical Data Modeling - Primary Key (Id, Name)
- Relational Data Modeling - Foreign Key Constraint (one-to-many relationship)
- Logical Data Modeling
- Relational Data Modeling - One-to-One Relationship
- Relational Data Modeling - Association Table (Bridge, Cross)
- Relational Data Modeling - Relationship
- RDBMS - Relational Model
- Db - Cassandra
- Surrogate (Sequence, GUID) vs Natural key (Business Key)
- More ...
Management
Declaration
A foreign key is declared with the creation of a foreign key constraint.
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