试题详情单项选择题在ALTER TABLE中，指定某列不可用，可是使用哪个关键字？（）A、UNUSEDB、SET UNUSEDC、DISABLED、NOUSE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 Upon starting&The NLS_TERRITExaminethedatafromth Given： You are How many individual You are maintaining After performiThe IT d In a new& You executed&eGiven： What is You deploy&ensView the EEvery Sunday，&ViewtheexhibitandexaGiven: WhatistheresYou configuredGiven: Whatistheres You are i
