Oracle中的substr方法
- WBOYOriginal
- 2016-06-07 17:20:301173browse
oracle中的substr比较给力,以字符串abcde为例
Oracle中的substr比较给力,以字符串abcde为例
select substr('abcde',1,3) as str from dual
结果abc
select substr('abcde',3,5) as str from dual
结果cde
select substr('abcde',3,50) as str from dual
不报错,结果cde
从1开始，，到几就是第几位，简单易用
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