MySQL中BETWEEN子句的用法详解

来源：动视网责编：小采时间：2020-11-09 21:00:47

MySQL中BETWEEN子句的用法详解

MySQL中BETWEEN子句的用法详解:可以使用IN子句来代替相结合的大于等于和小于等于的条件。要了解BETWEEN 子句考虑的EMPLOYEE_TBL表有以下记录： mysql> SELECT * FROM employee_tbl; +------+------+------------+--------------------+ |

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导读MySQL中BETWEEN子句的用法详解:可以使用IN子句来代替相结合的大于等于和小于等于的条件。要了解BETWEEN 子句考虑的EMPLOYEE_TBL表有以下记录： mysql> SELECT * FROM employee_tbl; +------+------+------------+--------------------+ |

可以使用IN子句来代替相结合的“大于等于和小于等于”的条件。

要了解BETWEEN 子句考虑的EMPLOYEE_TBL表有以下记录：

mysql> SELECT * FROM employee_tbl;
+------+------+------------+--------------------+
| id | name | work_date | daily_typing_pages |
+------+------+------------+--------------------+
| 1 | John | 2007-01-24 | 250 |
| 2 | Ram | 2007-05-27 | 220 |
| 3 | Jack | 2007-05-06 | 170 |
| 3 | Jack | 2007-04-06 | 100 |
| 4 | Jill | 2007-04-06 | 220 |
| 5 | Zara | 2007-06-06 | 300 |
| 5 | Zara | 2007-02-06 | 350 |
+------+------+------------+--------------------+
7 rows in set (0.00 sec)

现在，假设根据上表想获取记录条件daily_typing_pages超过170，等于和小于300。这可以使用如下条件>=和<=

mysql>SELECT * FROM employee_tbl 
 ->WHERE daily_typing_pages >= 170 AND
 ->daily_typing_pages <= 300;
+------+------+------------+--------------------+
| id | name | work_date | daily_typing_pages |
+------+------+------------+--------------------+
| 1 | John | 2007-01-24 | 250 |
| 2 | Ram | 2007-05-27 | 220 |
| 3 | Jack | 2007-05-06 | 170 |
| 4 | Jill | 2007-04-06 | 220 |
| 5 | Zara | 2007-06-06 | 300 |
+------+------+------------+--------------------+
5 rows in set (0.03 sec)

同样可以实现使用BETWEEN子句如下：

mysql> SELECT * FROM employee_tbl 
 -> WHERE daily_typing_pages BETWEEN 170 AND 300; 
+------+------+------------+--------------------+
| id | name | work_date | daily_typing_pages |
+------+------+------------+--------------------+
| 1 | John | 2007-01-24 | 250 |
| 2 | Ram | 2007-05-27 | 220 |
| 3 | Jack | 2007-05-06 | 170 |
| 4 | Jill | 2007-04-06 | 220 |
| 5 | Zara | 2007-06-06 | 300 |
+------+------+------------+--------------------+
5 rows in set (0.03 sec)

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MySQL中BETWEEN子句的用法详解

MySQL中BETWEEN子句的用法详解

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