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SQL中字符串的连接

2025-03-15 17:19:13

推荐回答（1个）

回答（1）：

在MYSQL中字符串连接使用的是concat内置函数。可以写为：select
*
from
myDB
where
name
=concat('a','bc')
在SQL
Server中字符串连接用+号。可以写为：select
*
from
myDB
where
name
='a'+'bc'
在Oracle中字符串连接用的是||号。

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