MCQOPTIONS
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| 1. |
In context of a relation in database, choose a false statement: |
| A. | There can be more than one super keys. |
| B. | A candidate key is a minimal super key. |
| C. | One of the candidate keys is designated as primary key. |
| D. | Primary key is obtained by removing one or more attributes from a candidate key. |
| Answer» E. | |