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MySQL中BETWEEN子句的用法詳解

 更新時間:2015年05月25日 10:27:17   投稿:goldensun  
這篇文章主要介紹了MySQL中BETWEEN子句的用法詳解,是MySQL入門學(xué)習(xí)中的基礎(chǔ)知識,需要的朋友可以參考下

可以使用IN子句來代替相結(jié)合的“大于等于和小于等于”的條件。

要了解BETWEEN 子句考慮的EMPLOYEE_TBL表有以下記錄:

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)

現(xiàn)在,假設(shè)根據(jù)上表想獲取記錄條件daily_typing_pages超過170,等于和小于300。這可以使用如下條件>=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)

同樣可以實現(xiàn)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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