mysql 查询考试总人数，请我下我的错在哪里，代码如下

Question

#参加考试的总人数#
SELECT COUNT (writtenExam)AS 考试总人数 FROM stuMarks

错误代码： 1630
FUNCTION studb.count does not exist. Check the 'Function Name Parsing and Resolution' section in the Reference Manual

Answer 1

SELECT COUNT(writtenExam) AS 考试总人数 FROM stuMarks
count后面多个空格，as 前面少个空格