摘要: 1、select REPLACE(mobile,SUBSTR(mobile,4,4), '****') as mobile from tableName 2、select INSERT(mobile, 4, 4, '****') as mobile from tableName ; 阅读全文
posted @ 2016-12-16 16:41 yudis 阅读(6155) 评论(0) 推荐(0) 编辑