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Database primary key
Codex
(
@codex,
0
)
...
Database
Relational database
Relational model
Relational schema
Superkey
Candidate key
2026-10-31
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The
candidate key
selected
as
the principal identifier for
database tuples
of
a
database relation
.
Ancestors
(8)
Candidate key
Superkey
Relational schema
Relational model
Relational database
Database
Computer science
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Past exam of the computer science course of the University of Oxford
/
2015
/
Databases
/
1
/
a
/
iii
/
Solution
Past exam of the computer science course of the University of Oxford
/
2015
/
Databases
/
2
/
b
/
Solution
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