mysql两者之间_sql between 语法与查询两者之间数据方法
BETWEEN 操作符
操作符 BETWEEN ... AND 會(huì)選取介于兩個(gè)值之間的數(shù)據(jù)范圍。這
些值可以是數(shù)值、文本或者日期。
SQL BETWEEN 語法
SELECT FROM WHERE (BETWEEN value1 AND value2
mysql教程>
mysql> CREATE TABLE Employee(
->???? id??????????? int,
->???? first_name??? VARCHAR(15),
->???? last_name???? VARCHAR(15),
->???? start_date??? DATE,
->???? end_date????? DATE,
->???? salary??????? FLOAT(8,2),
->???? city????????? VARCHAR(10),
->???? description?? VARCHAR(15)
-> );
Query OK, 0 rows affected (0.05 sec)
mysql>
mysql>
mysql> insert into Employee(id,first_name, last_name,
start_date, end_Date,?? salary,? City,?????? Description)
->????????????? values (1,'Jason',??? 'Martin',
'19960725',? '20060725', 1234.56, 'Toronto',
'Programmer');
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> insert into Employee(id,first_name, last_name,
start_date, end_Date,?? salary,? City,?????? Description)
->?????????????? values(2,'Alison',?? 'Mathews',
'19760321', '19860221', 6661.78, 'Vancouver','Tester');
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> insert into Employee(id,first_name, last_name,
start_date, end_Date,?? salary,? City,?????? Description)
->?????????????? values(3,'James',??? 'Smith',
'19781212', '19900315', 6544.78, 'Vancouver','Tester');
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> insert into Employee(id,first_name, last_name,
start_date, end_Date,?? salary,? City,?????? Description)
->?????????????? values(4,'Celia',??? 'Rice',
'19821024', '19990421', 2344.78, 'Vancouver','Manager');
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> insert into Employee(id,first_name, last_name,
start_date, end_Date,?? salary,? City,?????? Description)
->?????????????? values(5,'Robert',?? 'Black',
'19840115', '19980808', 2334.78,
'www.111com.net','Tester');
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> insert into Employee(id,first_name, last_name,
start_date, end_Date,?? salary,? City,?????? Description)
->?????????????? values(6,'Linda',??? 'Green',
'19870730', '19960104', 4322.78,'New York',? 'Tester');
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> insert into Employee(id,first_name, last_name,
start_date, end_Date,?? salary,? City,?????? Description)
->?????????????? values(7,'David',??? 'Larry',
'19901231', '19980212', 7897.78,'New York',? 'Manager');
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> insert into Employee(id,first_name, last_name,
start_date, end_Date,?? salary,? City,?????? Description)
->?????????????? values(8,'James',??? 'Cat',
'19960917',? '20020415', 1232.78,'Vancouver', 'Tester');
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> select * from Employee;
+------+------------+-----------+------------+-----------
-+---------+-----------+-------------+
| id?? | first_name | last_name | start_date | end_date
| salary? | city????? | description |
+------+------------+-----------+------------+-----------
-+---------+-----------+-------------+
|??? 1 | Jason????? | Martin??? | 1996-07-25 | 2006-07-25
| 1234.56 | Toronto?? | Programmer? |
|??? 2 | Alison???? | Mathews?? | 1976-03-21 | 1986-02-21
| 6661.78 | Vancouver | Tester????? |
|??? 3 | James????? | Smith???? | 1978-12-12 | 1990-03-15
| 6544.78 | Vancouver | Tester????? |
|??? 4 | Celia????? | Rice????? | 1982-10-24 | 1999-04-21
| 2344.78 | Vancouver | Manager???? |
|??? 5 | Robert???? | Black???? | 1984-01-15 | 1998-08-08
| 2334.78 | Vancouver | Tester????? |
|??? 6 | Linda????? | Green???? | 1987-07-30 | 1996-01-04
| 4322.78 | New York? | Tester????? |
|??? 7 | David????? | Larry???? | 1990-12-31 | 1998-02-12
| 7897.78 | New York? | Manager???? |
|??? 8 | James????? | Cat?????? | 1996-09-17 | 2002-04-15
| 1232.78 | Vancouver | Tester????? |
+------+------------+-----------+------------+-----------
-+---------+-----------+-------------+
8 rows in set (0.00 sec)
mysql>
mysql>
mysql>
mysql> SELECT * FROM employee
-> WHERE (employee.salary BETWEEN 1000 AND 2000);
+------+------------+-----------+------------+-----------
-+---------+-----------+-------------+
| id?? | first_name | last_name | start_date | end_date
| salary? | city????? | description |
+------+------------+-----------+------------+-----------
-+---------+-----------+-------------+
|??? 1 | Jason????? | Martin??? | 1996-07-25 | 2006-07-25
| 1234.56 | Toronto?? | Programmer? |
|??? 8 | James????? | Cat?????? | 1996-09-17 | 2002-04-15
| 1232.78 | Vancouver | Tester????? |
+------+------------+-----------+------------+-----------
-+---------+-----------+-------------+
2 rows in set (0.02 sec)
在兩個(gè)字符串中間的記錄
mysql> SELECT * FROM employee
-> WHERE (employee.first_name BETWEEN 'Elvis' AND
'Michael');
+------+------------+-----------+------------+-----------
-+---------+-----------+-------------+
| id?? | first_name | last_name | start_date | end_date
| salary? | city????? | description |
+------+------------+-----------+------------+-----------
-+---------+-----------+-------------+
|??? 1 | Jason????? | Martin??? | 1996-07-25 | 2006-07-25
| 1234.56 | Toronto?? | Programmer? |
|??? 3 | James????? | Smith???? | 1978-12-12 | 1990-03-15
| 6544.78 | Vancouver | Tester????? |
|??? 6 | Linda????? | Green???? | 1987-07-30 | 1996-01-04
| 4322.78 | New York? | Tester????? |
|??? 8 | James????? | Cat?????? | 1996-09-17 | 2002-04-15
| 1232.78 | Vancouver | Tester????? |
+------+------------+-----------+------------+-----------
-+---------+-----------+-------------+
如果要判斷不在兩者之間用not between x and y 就KO了，看個(gè)簡
單的查詢語句
mysql> SELECT Name, InStock, OnOrder, Reserved
-> FROM Topic
-> WHERE (InStock+OnOrder-Reserved) NOT BETWEEN 10 AND
20
-> ORDER BY Name;
重要事項(xiàng)：不同的數(shù)據(jù)庫教程對(duì) BETWEEN...AND 操作符的處理方式是
有差異的。某些數(shù)據(jù)庫會(huì)列出介于 "Adams" 和 "Carter" 之間的
人，但不包括 "Adams" 和 "Carter" ；某些數(shù)據(jù)庫會(huì)列出介于
"Adams" 和 "Carter" 之間并包括 "Adams" 和 "Carter" 的人；
而另一些數(shù)據(jù)庫會(huì)列出介于 "Adams" 和 "Carter" 之間的人，包
括 "Adams" ，但不包括 "Carter"
總結(jié)
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