单项选择题
A.Writes buffers to disk
B.Writes current redo log number to datafile headers
C.Writes redo log information to disk
D.Reads information into memory for users
单项选择题 TheDBAisdefiningroleforusers.Whichofthefollowingisnotanacceptablemethodfordefiningadefaultrole?()
单项选择题 YouaredefiningareasonyourOracledatabase.Whichofthefollowingprofileareascanbeusedtocontroltheresourceusagefortheotherfour?()
单项选择题 Inasituationwherenomultiplexingofredologstakesplace,whathappenswhenOraclecannotreaddatafromtheonlineredologgroupforarchiving?()