Reputation: 53560
How can I update 2 columns at a time?
I tried the following statement, which doesn't work:
UPDATE exercises
SET times_answered = times_answered + 1
AND av_answeringTime = av_answeringTime + ( (av_answeringTime / (times_answered) ) + ?) * (times_answered + 1)
WHERE name = ?
Upvotes: 56
Views: 58091
Reputation: 11585
The SQL UPDATE syntax is:
UPDATE table SET
column1 = value1,
column2 = value2
WHERE condition
Instead of the AND you need a comma
Upvotes: 55
Reputation: 18013
Try something like this...
UPDATE exercises
SET times_answered = times_answered + 1,
av_answeringTime = av_answeringTime + ( (av_answeringTime / (times_answered) ) + ?) * (times_answered + 1)
WHERE name = ?
Upvotes: 8
Reputation: 74658
Use a comma instead of your "AND":
UPDATE exercises
SET times_answered = times_answered + 1,
av_answeringTime = av_answeringTime + ( (av_answeringTime / (times_answered) ) + ?) * (times_answered + 1)
WHERE name = ?
Upvotes: 80