SQL50 将employees表中的所有员工的last_name和first_name通过引号连接起来

描述

将employees表中的所有员工的last_name和first_name通过(')连接起来。(sqlite不支持concat，请用||实现，mysql支持concat)
CREATE TABLE `employees` (
`emp_no` int(11) NOT NULL,
`birth_date` date NOT NULL,
`first_name` varchar(14) NOT NULL,
`last_name` varchar(16) NOT NULL,
`gender` char(1) NOT NULL,
`hire_date` date NOT NULL,
PRIMARY KEY (`emp_no`));
输出格式:

 

name

Facello'Georgi

Simmel'Bezalel

Bamford'Parto

Koblick'Chirstian

Maliniak'Kyoichi

Preusig'Anneke

Zielinski'Tzvetan

Kalloufi'Saniya

Peac'Sumant

Piveteau'Duangkaew

Sluis'Mary

SELECT CONCAT(RTrim(last_name),"'",LTrim(first_name)) AS name
FROM employees;