Home Database Mysql Tutorial Oracle和MySQL分别生成sequence序列

Oracle和MySQL分别生成sequence序列

Jun 07, 2016 pm 04:49 PM

有时候在往数据库中插入数据的时候,如果ID值是32位的UUID, 而自己随便写个字符又不合适,这时就要用到函数来产生一个序列值 Or

有时候在往数据库中插入数据的时候,如果ID值是32位的UUID,

而自己随便写个字符又不合适,这时就要用到函数来产生一个序列值

Oracle:

select sys_guid() from dual;

MySQL:

SELECT REPLACE(UUID(),'-','') FROM DUAL;

因为mysql的UUID()生成的序列中间有'-'需要进行替换一下。

以下内容你也可能喜欢:

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Oracle中sequence使用的限制

Oracle创建自增字段sequence

本文永久更新链接地址:

linux

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