MySQL中BETWEEN子句的用法案例详细说明

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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