Informatics Practices

All primary keys are candidate keys but all candidate keys are not primary keys.

Relational Database

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Answer

True

Reason — A primary key is a candidate key chosen to uniquely identify rows in a table. All primary keys are candidate keys, but not all candidate keys become primary keys, as only one is selected for that role.

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Informatics Practices

All primary keys are candidate keys but all candidate keys are not primary keys.

Relational Database

Answer

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Informatics Practices

All primary keys are candidate keys but all candidate keys are not primary keys.

Relational Database

Answer

Related Questions

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…………… is a named collection of data items which represents a complete unit of information.
Field
Record
Table
Database

A …………… is a named collection of all occurrences of a given type of logical record.
Field
Record
Relation
Database