标签：xxx str weight 字符 替换 sub ble pos tab
INSERT(t.TABLE1,4,6,‘*‘) REPLACE ( PHONE, SUBSTR(PHONE, 4, 6), ‘XXXX‘ )-- 隐藏从第四位开始的6个字符，包括第四个字符，替换成X
mysql替换成指定字符
原文地址：https://www.cnblogs.com/nizuimeiabc1/p/8227921.html
