在SQL中,由于对视图的修改最终要转换为对基本表的修改,因此下列只有哪种视图是可以修改的?
A、行列子集视图A
暂无解析
WhichofthefollowingisNOToneofthemainsourcesofnewwordsinthepresent-dayEnglishvocabulary?
Duringthe1990smanyAustralianscalledfortheirnationtobecomearepublicwith________.
不符合科技英语特点的是()
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