单项选择题
A.Host naming
B.Local naming
C.Easy Connect
D.External naming
E.directory naming
多项选择题 You work as a database administrator for Certkiller .com. Your database is opened in NOARCHIVEKLOG mode. You decide to place the database in ARCHIVELOG mode. How would you do this?()
单项选择题 You work as a database administrator for Certkiller .com. Your database is in NOARCHIVELOG mode. The database has been configured with three redo logs groups, and there have been five log switches. You lost one non-system-critical data file from your database. Which method would you use to recover the data file?()
多项选择题 YouworkasadatabaseadministratorforCertkiller.com.Inthemiddleofatransaction,ausersessionwasabnormallyterminatedbuttheinstanceisstillupandthedatabaseisopen.Whichtwostatementsaretrueinthisscenario?()