多项选择题
A. Date format
B. Decimal character
C. Group separator
D. First day of the month
E. None of the above
F. All of the above
单项选择题 YounoticethatajobinachainhasnotcompletedonanonconstrainedRACdatabase.Whichofthesearevalidreasonswhythatmightoccur？（）
单项选择题 Whichofthefollowingarenotdisabledbydefault？（）
单项选择题 TheDBAhaschosentomanageSGAandPGAmemoryseparatelyinanOLTPdatabasebecauseofhisuniqueknowledgeoftheapplication.WhichofthesearegoodstartingpointstousewhenconfiguringthemaximumvaluesforSGAandPGA，basedontheamountofmemoryavailableonthesystem？（）