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区别:length求得是字符长度,lengthb求得是字节长度。
SQL> select length('哈哈') from dual t; LENGTH('哈哈') -------------- 2 SQL> select lengthb('哈哈') from dual t; LENGTHB('哈哈') --------------- 4
oracle length与lengthb的区别
原文地址:http://blog.csdn.net/helloboat/article/details/42290533