单项选择题
A.ALTER DATABASE OPEN;
B.ALTER DATABASE CLEAR LOGFILE;
C.ALTER DATABASE OPEN RESETLOGS;
D.ALTER DATABASE OPEN NORESETLOGS;
单项选择题 Whileconnectedtothedatabase,auseronaPCreceivesafatalerrorandthemachinereboots.Whichbackgroundprocesscleansupthefailedconnection?()
多项选择题 YounoticethatyourRMANscriptusedtocopythedatafiles,controlfiles,andarchivedredologfilesisperformingveryslowly.WhichtwochangesmightyouwanttoincludeinyourRMANscripttospeeduptheCOPYcommands?()
单项选择题 Whichstatementistrueregardingremotearchivelogfiledestinations?()