试题详情单项选择题如果要启用所有角色,则应该使用哪一个命令?()A、SET ROLE ALLB、SET ROLE ENABLE ALLC、ALTER SESSION ALLD、ALTER USER ROLE ALL正确答案:B答案解析:关注下方微信公众号,在线模考后查看热门试题You plan You want tWhich RMANQ写出一个数据字典的应用(所有用户:allYou need Which typeQ触发器事件和语句是SQL语句、数据库事件Which files在命令行中启动SQL*Plus,使用如下在Oracle中,下列()语句不能用于控 Evaluate the&eYour database& You are pYou want Given: Which tYou are op You executed the fo Note the following The warning&en Which two statement