官方文档链接:http://download.oracle.com/docs/cd/B19306_01/appdev.102/b14258/d_random.htm#i996825 DBMS_RANDOM.STRING用法: 1)选项'u', 'U' - returning string in uppercase alpha characters2)选项'l', 'L' - returning string in lowercase alpha characters 3)选项'a', 'A' - returning string in mixed case alpha characters 4)选项'x', 'X' - returning string in uppercase alpha-numeric characters 5)选项'p', 'P' - returning string in any printable characters. 6)选项 Otherwise the returning string is in uppercase alpha characters. 例子: 生成由大写字母和数字组成的8位密码 sys@ora11g>select dbms_random.string('x',8) "x_8_password" from dual;x_8_password ---------------------------------------------- TT3ISGUV (责任编辑:IT) |