摘要: select substr('1001.2009.233.11.332.1',1,instr('1001.2009.233.11.332.1','.',1,1)-1) from dual; 阅读全文
posted @ 2012-02-20 15:20 小波Ooo 阅读(173) 评论(0) 推荐(0) 编辑