单项选择题
EMPDET is an external table containing the columns EMPNO and ENAME. Which command would work in relation to the EMPDET table? ()
A.A B.B C.C D.D
WhichthreepossiblevaluescanbesetfortheTIME_ZONEsessionp...
多项选择题Which three possible values can be set for the TIME_ZONE session parameter by using the ALTER SESSION command?()
A. ’os’ B. local C. -8:00’ D. dbtimezone Li E. ’Australia’