Examine the command：   ALTER DATABASE ADD SUPPLEMENTAL LOG DATA （PRIMARY KEY） COLUMNS；   What does the command accomplish？（）

A .  when ASM disk goes offline B .  when one or more ASM files are dropped C .  when some disks in a disk group are offline D .  when some disks in a failure group for a disk group are rebalancing

A . The shrink operation touches every block in the BOOKING table B . The high-water mark (HWM) for the BOOKING table is shifted from its original position C . The progress of the shrink operation is saved in the bitmap blocks of the BOOKING table D . The data manipulation language (DML) triggers on the BOOKING table are executed because the shrink operation is internally handled by the INSERT/DELETE operatio

A . The import operation must be performed by a user on the target database with the DATAPUMP_IMP_FULL_DATABASE role, and the database link must connect to a user on the source database with the DATAPUMP_EXD_FULL_DATABASE role. B . All the user-defined tablespaces must be in read-only mode on the source database. C . The export dump file must be created before starting the import on the target database. D . The source and target database must be running on the same platform with the same endianness. E . The path of data files on the target database must be the same as that on the source database. F . The impdp operation must be performed by the same user that performed the expdp operation.

A . The backup piece is expired as the new backup is available. B . The backup piece is expired because the operating-system file was not found. C . The backup piece is expired because the retention period for the backup has expired. D . The backup piece is expired because the backup set to which it belongs is not complete

A . Provide a password for the encryption B . Set up an Oracle wallet for the encryption C . No setup is required as it is a default encryption method D . Both Oracle wallet and password must be set up for the encryptio

A . when ASM disk goes offline B . when one or more ASM files are dropped C . when some disks in a disk group are offline D . when some disks in a failure group for a disk group are rebalancing

A .  The shrink operation touches every block in the BOOKING table B .  The high-water mark （HWM） for the BOOKING table is shifted from its original position C .  The progress of the shrink operation is saved in the bitmap blocks of the BOOKING table D .  The data manipulation language （DML） triggers on the BOOKING table are executed because the shrink operation is internally handled by the INSERT/DELETE operatio

A . The SKD user cannot log in to the database instance. B . The objects owned by the SKD user are not accessible to any user. C . The other users can access the objects owned by the SKD user， on which they have access. D . The password for the SKD user expires and the user is forced to change the password at the next log in.

A . It cancels all pending disk drops within the disk group. B . It restores disks that are being dropped as the result of a DROP DISKGROUP operation C . It mounts disks in the disk group for which the drop-disk operation has already been co pleted D . It restores all the dropped disks in the disk group for which the drop-disk operation has already been completed E . It adds previously dropped disks back into the disk grou

A .  Provide a password for the encryption B .  Set up an Oracle wallet for the encryption C .  No setup is required as it is a default encryption method D .  Both Oracle wallet and password must be set up for the encryptio

A . Automatic statistics collection is stopped for the CUSTOMERS table. B . Statistics for the CUSTOMERS table are locked and cannot be overwritten. C . Existing statistics for the CUSTOMERS table become unusable for the query optimizer. D . Subsequently， statistics gathered on the CUSTOMERS table are stored as pending statistics.

A . The SKD user cannot log in to the database instance. B . The objects owned by the SKD user are not accessible to any user. C . The other users can access the objects owned by the SKD user， on which they have access. D . The password for the SKD user expires and the user is forced to change the password at the next log i

A . Only the data definition language (DDL) commands that resulted in errors are logged in the alert log file. B . All DDL commands are logged in the alert log file. C . All DDL commands are logged in a different log file that contains DDL statements and their execution dates. D . Only DDL commands that resulted in the creation of new segments are logged. E . All DDL commands are logged in XML format in the alert directory under the Automatic Diagnostic Repository (ADR) home.

A . Only data files and the control file are backed up. B . Archived redo logs are backed up only I f the database is open during the backup. C . The backup is deleted after one day, regardless of the default retention policy settings. D . The backup becomes obsolete after one day, regardless of the default retention policy settings.

A . RESTORE DATAFILE ’/DISK2/user_data01.dbf’ B . RESTORE DATAFILE ’/DISK3/user_data01.dbf’ C . SET NEWNAME FOR ’/DISK3/user_data01.dbf’ TO’/DISK2/user_data01.dbf’ D . SET NEWNAME FOR ’/DISK2/user_data01.dbf’ TO’/DISK3/user_data01.dbf&rsquo

A .  errpt -t  B .  errpt -a  C .  errpt -D  D .  errpt

A .  It cancels all pending disk drops within the disk group. B .  It restores disks that are being dropped as the result of a DROP DISKGROUP operation C .  It mounts disks in the disk group for which the drop-disk operation has already been co pleted D .  It restores all the dropped disks in the disk group for which the drop-disk operation has already been completed E .  It adds previously dropped disks back into the disk grou

A .  Only data files and the control file are backed up. B .  Archived redo logs are backed up only if the database is open during the backup. C .  The backup is deleted after one day，regardless of the default retention policy settings.  D .  The backup becomes obsolete after one day，regardless of the default retention policy settings.

A . The backup piece is expired as the new backup is available. B . The backup piece is expired because the operating-system file was not found. C . The backup piece is expired because the retention period for the backup has expired. D . The backup piece is expired because the backup set to which it belongs is not complete.

A . Statistics collection is not done for the CUSTOMERS table when schema stats are gathered. B . Statistics collection is not done for the CUSTOMERS table when database stats are gathered. C . Any existing statistics for the CUSTOMERS table are still available to the optimizer at parse time. D . Statistics gathered on the CUSTOMERS table when schema stats are gathered are stored as pending statistics. E . Statistics gathered on the CUSTOMERS table when database stats are gathered are stored as pending statistics.

A . None of the data definition language (DDL) statements are logged in the trace file. B . Only DDL commands that resulted in errors are logged in the alert log file. C . A new log.xml file that contains the DDL statements is created, and the DDL command details are removed from the alert log file. D . Only DDL commands that resulted in the creation of new database files are logged.

A . Automatic statistics collection is stopped for the CUSTOMERS table. B . Statistics for the CUSTOMERS table are locked and cannot be overwritten. C . Existing statistics for the CUSTOMERS table become unusable for the query optimizer. D . Subsequently， statistics gathered on the CUSTOMERS table are stored as pending statistic

<img src='https://img2.soutiyun.com/shangxueba/ask/64224001-64227000/64224740/398a37009eba261eceebfd5a001edaba.png' /> <img src='https://img2.soutiyun.com/shangxueba/ask/64224001-64227000/64224740/a5add098aa6143b225044036df53c199.png' /> A. All the triggers for the table are disabled without changing any of the column names or column types in the table. B. The primary key constraint on the EMPLOYEES table is disabled during redefinition. C. VPD policies are copied from the original table to the new table during online redefinition. D. You must copy the VPD policies manually from the original table to the new table during online redefinition.