read only by children
of no value
not helpful
read by many people
单选题One of the tablespaces is read-only in your database. The loss of all control files forced you to re-create the control file. Which operation do you need to perform after re-creating the control file and opening the database？（）Adrop and re-create the read-only tablespacesBrename the read-only data files to their correct file namesCchange the tablespace status from read/write to read-onlyDre-create the read-only tablespace because it is automatically removed
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单选题The section on jokes and cartoons is ______.A read only by childrenB of no valueC not helpfulD read by many people
问答题Suppose you begin reading a book on page h and end on page k . If the pages are numbered and read consecutively, then how many pages have you read?
单选题The section on jokes and cartoons is _____.A read only by childrenB of no valueC not helpfulD read by many
多选题Which operations require undo data（）ACommitting a transactionBFlashing back a transactionCRecovering a failed transactionDRunning a read-consistent queryEChanging a tablespace status from READ ONLY to READ WRITE
单选题In which of the following scenarios is a tablespace recovery required？（）Awhen recovering a lost read-only tablespace from a read-only tablespace backupBwhen recovering a lost read-only tablespace from a read-write tablespace backup when the database is running in ARCHIVELOG modeCwhen recovering a lost read-only tablespace from a read-write tablespace backup when the database is running in NOARCHIVELOG mode and the changes in the online redo log files have been overwrittenDwhen recovering a lost read-only tablespace from a read-only tablespace backup using the backup of the control file， the control file was created using the ALTER DATABASE BACKUP CONTROLFILE TO TRACE statement， and this statement was issued when the tablespace was read-only
多选题Examine the following command that is used to duplicate a database on the same host: RMAN> RUN { ALLOCATE AUXILIARY CHANNEL, aux 1 DEVICE TYPE DISK; DUPLICATE TARGET DATABASE TO auxdb SKIP READONLY; / } Which two statements describe the effect after the database is duplicated successfully? （）(Choose two)AThe data files of the read-only tablespaces in the target database are not duplicatedBThe read-only tablespaces in the target database are still defined in new the databaseCThe read-only tablespaces in the target database are changed to online after duplicationDThe data files of the read-only tablespaces in the target database get duplicatedEThe read-only tablespaces in the target database are not defined in the new database
