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deepyaman 2017-09-14 03:06:39 +00:00 committed by GitHub
commit d866f035bb

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@ -112,8 +112,8 @@ SELECT first_name
```sql
SELECT first_name AS fn
FROM staff AS s1
JOIN students AS s2
ON s2.mentor_id = s1.staff_num;
JOIN students AS s2
ON s2.mentor_id = s1.staff_num;
```
```sql
SELECT SUM(s.monitor_tally) AS monitor_total