Whichtwostatementsaretrueregardingviews?()
A.AsubquerythatdefinesaviewcannotincludetheGROUPBYclause
B.AviewthatiscreatedwiththesubqueryhavingtheDISTINCTkeywordcanbeupdated
C.AviewthatiscreatedwiththesubqueryhavingthepseudocolumnROWNUMkeywordcannotbeupdated
D.Adatamanipulationlanguage(DML)operationcanbeperformedonaviewthatiscreatedwiththesubqueryhavingalltheNOTNULLcolumnsofatable
时间:2023-08-26 00:35:11
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