oracle 的字符串
摘要:
--两个竖线可以把前后两个字符串连接起来select upper(substr(xm,1,1))|| lower(substr(xm,2,length(xm)-1)) from student; 阅读全文
posted @ 2013-05-19 09:11 passer1991 阅读(83) 评论(0) 推荐(0) 编辑
posted @ 2013-05-19 09:11 passer1991 阅读(83) 评论(0) 推荐(0) 编辑