itgle.com
Whichtwostatementscorrectlydescribetherelationbetweenadatafileandthelogicaldatabasestructures()A.Anextentcannotspreadacrossdatafiles.B.Asegmentcannotspreadacrossdatafiles.C.Adatafilecanbelongtoonlyonetablespace.D.Adatafilecanhaveonlyonesegmentcreatedinit.
题目
Whichtwostatementscorrectlydescribetherelationbetweenadatafileandthelogicaldatabasestructures()
A.Anextentcannotspreadacrossdatafiles.
B.Asegmentcannotspreadacrossdatafiles.
C.Adatafilecanbelongtoonlyonetablespace.
D.Adatafilecanhaveonlyonesegmentcreatedinit.
E.Adatablockcanspreadacrossmultipledatafilesasitcanconsistofmultipleoperatingsystem（OS）blocks
相似考题
参考答案和解析
参考答案：A, C