现有员工表employees如下:
emp_no | birth_date | first_name | last_name | gender | hire_date |
10001 | 1953-09-02 | Georgi | Facello | M | 1986-06-26 |
10002 | 1964-06-02 | Bezalel | Simmel | F | 1985-11-21 |
10003 | 1959-12-03 | Parto | Bamford | M | 1986-08-28 |
10004 | 1954-05-01 | Chirstian | Koblick | M | 1986-12-01 |
10005 | 1955-01-21 | Kyoichi | Maliniak | M | 1989-09-12 |
10006 | 1953-04-20 | Anneke | Preusig | F | 1989-06-02 |
10007 | 1957-05-23 | Tzvetan | Zielinski | F | 1989-02-10 |
10008 | 1958-02-19 | Saniya | Kalloufi | M | 1994-09-15 |
10009 | 1952-04-19 | Sumant | Peac | F | 1985-02-18 |
10010 | 1963-06-01 | Duangkaew | Piveteau | F | 1989-08-24 |
10011 | 1953-11-07 | Mary | Sluis | F | 1990-01-22 |
请将employees表的所有员工的last_name和first_name拼接起来作为Name,中间以一个空格区分。
(注:sqllite,字符串拼接为 || 符号,不支持concat函数,mysql支持concat函数)。