单项选择题
What is the purpose of importing from an export，and specifying that no rows be imported and that the output goes to a log file？（）
A.To verify space requirements in the target database before importing.
B.To generate the SQL for the DDL operations that would occur during import.
C.To check character set compatibility between the export file and the target database.
D.To check for integrity constraint violations that would occur in the target database.
相关考题
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多项选择题
TheRMANBACKUPcommandusingtheDELETEINPUToptioncanbeusedwithwhichthreetypesoffiles？（）
A.data files
B.backup sets
C.control files
D.archived redo log files -
单项选择题
WhichstatementistrueregardingtheArchiver（ARCn）process，archivedlogfiles，andrecovery？（）
A.A database backup, combined with archived redo log files, guarantees that all committed data can be recovered to the point of failure.
B.During recovery the ARCn background process copies its redo entries identified for recovery by the control file to the data files.
C.After each write to an archived log, the mandatory background process ARCn writes its log sequence number and the first and last SCN number within the log sequence to the control file.
D.At database recover time, and archived redo log is uniquely identified for recovery use by its redo thread number and destination ID number retrieved from the control file. -
单项选择题
You would like to create an RMAN recover catalog in which to store information about your DB01 database. You want to use the database named RCDB for the storage of your recovery catalog. The six steps you will follow to create a recover catalog are not displayed in the correct order. Which displays the correct order？（） 1. Grant the appropriate privileges （CONNECT and RESOURCE） and roles （RECOVERY_CATALOG_OWNER） to the user responsible for performing backup and recover operations. 2. Register the target database in the catalog. 3. Create the catalog using the RMAN command line interpreter. 4. Create a user and schema which will own the recovery catalog. 5. Create tablespace to hold the catalog in the database you have dedicated for your RMAN recovery catalog. 6. Connect to the target database using SYSDBA privileges.
A.4，1，5，6，3，2
B.4，3，1，5，6，2
C.4，5，1，3，2，6
D.5，4，1，3，2，6
E.5，4，1，3，6，2
