单选题

SELECT username, count(user...

Question

SELECT username, count(username) FROM user_name WHERE username>10 GROUP BY username HAVING ORDER BY username，其执行的顺序应该为

A. FROM->WHERE->GROUP BY->HAVING->SELECT->ORDER BY

B. FROM->GROUP BY->WHERE->HAVING->SELECT->ORDER BY

C. FROM->WHERE->GROUP BY->HAVING->ORDER BY->SELECT

D. FROM->WHERE->ORDER BY->GROUP BY->HAVING->SELECT