An athletics meeting involves several competitors who participate in a number of events. The database is intended to record who is to take part in which event and to record the outcome of each event. As results become available the winner attribute will be updated with the cid of the appropriate competitor.
Competitor(cid, name, nationality)
Event(eid, description, winner)
Competes(cid, eid)
| Competitor | ||
| cid | name | nationality |
| 01 | Pat | British |
| 02 | HIlary | British |
| 03 | Sven | Swedish |
| 04 | Pierre | French |
| Event | ||
| eid | Description | winner |
| 01 | running | |
| 02 | jumping | |
| 03 | throwing | |
| Competes | |
| cid | eid |
| 01 | 01 |
| 02 | 01 |
| 03 | 02 |
| 04 | 02 |
| 04 | 03 |
Select the true statement:
1
There is a British competitor in every event.
2
Pierre does not compete in any event
3
Sven has been entered in two events
4
Hilary has entered only the running event
5
Question Not Attempted