单项选择题
A.host naming method
B.local naming method
C.directory naming method
D.external naming method
单项选择题 Thedatabaseisbeingrestoredfromaclosedbackup.Thedatafiles，controlfiles，passwordfile，andparameterfileareavailable，buttheonlineredologsarenot.Becausetheonlineredologsarenotavailable，youmustsimulaterecoveryandalterthedatabaseopenwiththeresetlogsoptionsotheonlineredologsarecreatedwhilethedatabaseopens.Whichtypeofrecoverisusedinthissituation？（）
单项选择题 Whichofthefollowingenvironmentvariablesspecifiesanon-defaultlocationforthelistenerconfigurationfile？（）
单项选择题 Whichofthefollowingpackagesmaintainsinformationintherecoverycatalog？（）