多项选择题
A. control file
B. all datafiles
C. password file
D. online redo log file
E. archive redo log file
F. server parameter file
G. only the SYSTEM datafile
单项选择题 You are maintaining your production database in Oracle10g. You want the circular reuse records in the control file of the target database to be reused as required. Which value will you set for the CONTROL_FILE_RECORD_KEEP_TIME initialization parameter？（）
单项选择题 YouwanttoimplementthebackupandrecoverystrategyinyourdatabaseusingRecoveryManager（RMAN）.YouhavechosenthecontrolfileofthetargetdatabasefortheRMANrepository.Whichcommand-lineRMANcommandwouldyouusetoestablishalocalconnectionbetweenRMANandtheRMANrepositoryifyourdatabaseisusingpasswordfileauthentication？（）
单项选择题 YouaremaintainingyourdatabaseinOracle10g.Youarenotusingtherecoverycatalogtomaintainthebackupmetadatainformation.Youwanttoenablethereusablesectionofthecontrolfiletoexpanditselfiftheoldestrecordcannotbereused，andwheneveranewrecordisaddedtothereusablesectionofthecontrolfile.WhichvaluewillyousetfortheCONTROL_FILE_RECORD_KEEP_TIMEparameter？（）