SQL-50 将employees表中的所有员工的last_name和first_name通过(')连接起来

题目描述

将employees表中的所有员工的last_name和first_name通过(')连接起来。
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

SQL:

select last_name||"'"||first_name as name
from employees

　　||用来连接字符串