Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Database concept
|
| gptkbp:contrastsWith |
Primary key
Alternate key Candidate key Composite key Foreign key |
| gptkbp:definedIn |
Relational model
|
| gptkbp:defines |
A set of one or more attributes that uniquely identifies a tuple in a relation
|
| gptkbp:example |
{EmployeeID, Name} in Employee table if EmployeeID is unique
|
| gptkbp:hasSubgroup |
Primary key
Candidate key |
| https://www.w3.org/2000/01/rdf-schema#label |
Super Key
|
| gptkbp:mayInclude |
Primary key
Candidate key Extra attributes |
| gptkbp:minimalSuperKeyIs |
Candidate key
|
| gptkbp:property |
Uniqueness
|
| gptkbp:usedFor |
Uniquely identifying records
|
| gptkbp:usedIn |
Relational database
|
| gptkbp:bfsParent |
gptkb:Mario_(Chef)
|
| gptkbp:bfsLayer |
7
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