【SQL】BETWEEN操作符

BETWEEN 操作符在 WHERE 子句中使用，作用是选取介于两个值之间的数据范围。

操作符 BETWEEN ... AND 会选取介于两个值之间的数据范围。这些值可以是数值、文本或者日期。

注意：在Oracle中，BETWEEN ... AND 包含边界。

语法：

select column_name(s)

from table_name

where column_name

between value1 and value2;

例：

1. 查询employees表中salary在2600到2800之间的员工姓名

SQL> select last_name,salary from employees where salary between 2600 and 2800;

LAST_NAME                     SALARY
------------------------- ----------
OConnell                        2600
Grant                           2600
Tobias                          2800
Himuro                          2600
Mikkilineni                     2700
Atkinson                        2800
Seo                             2700
Matos                           2600
Geoni                           2800
Jones                           2800

10 rows selected.

2. 查询employees表中salary不在2300到17000之间的员工姓名

SQL> select last_name,salary from employees where salary not between 2300 and 17000;

LAST_NAME                     SALARY
------------------------- ----------
King                           24000
Markle                          2200
Olson                           2100
Philtanker                      2200