【牛客SQL】SQL32 将employees表的所有员工的last_name和first_name拼接起来作为Name 锥栗 2021-07-31 180 阅读1分钟 题目描述 题解 主要考察字符串拼接 sqlite SELECT (last_name || ' ' || first_name) AS Name FROM employees; MySQL: SELECT CONCAT_WS(' ', last_name, first_name) AS Name FROM employees;