你确定SQL查询都是以SELECT开始的？
复制SELECT CONCAT(first_name,确定 , last_name) AS full_name, count(*) FROMtable GROUPBY full_name 1.2.3.
复制SELECT CONCAT(first_name,确定 , last_name) AS full_name, count(*) FROMtable GROUPBY full_name 1.2.3.
复制SELECT CONCAT(first_name,确定 , last_name) AS full_name, count(*) FROMtable GROUPBY full_name 1.2.3.