MyBatis中Like語句使用方式

> Oracle

SELECT 
* 
FROM 
user 
WHERE 
name LIKE CONCAT('%',#{name},'%') 
或 
SELECT 
* 
FROM 
user 
WHERE 
name LIKE '%'||#{name}||'%'

　　

> SQL Server

SELECT 
* 
FROM 
user 
WHERE 
name LIKE '%'+#{name}+'%'

　　

> MySQL

SELECT 
* 
FROM 
user 
WHERE 
name LIKE CONCAT('%',#{name},'%')

　　

> DB2

SELECT 
* 
FROM 
user 
WHERE 
name LIKE CONCAT('%',#{name},'%')
或 
SELECT 
* 
FROM 
user 
WHERE 
name LIKE '%'||#{name}||'%' 

　　

> 通用

SELECT 
* 
FROM 
user 
WHERE 1 = 1
<if test="name != null and name != ''">
<bind name="pattern" value="'%' + _parameter.name + '%'" />
AND name LIKE #{pattern}
</if>