试题详情单项选择题在Oracle中,()数据字典表可以用来查看抽象数据类型的实际结构。A、USER_TYPE_ATTRSB、USER_TABLESC、USER_TYPE_TABSD、USER_TAB_COLUMNS正确答案:A答案解析:关注下方微信公众号,在线模考后查看热门试题ClicktheExhibitbutto You are uWhich two̳As A DBAWhich SQL statement Which statement is tYou defineQYou work Which are the two opGiven: What isEvaluatethefollowingGiven: Whichcode,inIf you bTheEMPtablecontainst当需要提交某个事务时,可以使用()语句。To increase While designinGiven: WhatistheresView the Which statemen