多项选择题
What two are the prerequisites for enabling Flashback Database?（） (Choose two)
A. The database must be in ARCHIVELOG mode
B. The database must be in MOUNT EXCLUSIVE mode
C. The database must be opened in RESTRICTED mode
D. The database instance must be started in the NOMOUNT state
E. The database instance must have the keep buffer pool defined
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相关考题
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单项选择题
You realize that the control file is damaged in your production database. After restoring the control file from autobackup, what is the next step that you must do to proceed with the database recovery?（）
A. Mount the database
B. Open the database in NORMAL mode
C. Open the database in RESTRICTED mode
D. Open the database with the RESETLOGS option -
单项选择题
While performing a regular check on your recovery catalog you realized that the catalog database is running out of space and you do not have options to increase the space. However, you have another database where more space is available and you want to move your existing recovery catalog to this database. The options that can be considered while moving the recovery catalog are as follows: 1. Using one of the Oracle expdp utilities to export the catalog data 2. Creating a recovery catalog user and granting the necessary privileges in the other database 3. Creating the recovery catalog using the CREATE CATALOG command 4. Using the corresponding impdp utility to import the catalog data into the other database 5. Registering the target database in the new catalog database using the REGISTER DATABASE command Identify the option with the correct sequence for moving the recovery catalog.（）
A.2，3，5
B.1，2，4
C.1，2，4，5
D. 1, 2, 3, 4, 5 -
单项选择题
You executed the following PL/SQL block successfully： VARIABLE tname VARCHAR2（20） BEGIN dbms_addm.insert_finding_directive （NULL， DIR_NAME=>’Detail CPU Usage’， FINDING_NAME=>’CPU Usage’， MIN_ACTIVE_SESSIONS=>0， MIN_PERC_IMPACT=>90）； ：tname ：= ’database ADDM task4’； dbms_addm.analyze_db（：tname， 150， 162）； END； / Then you executed the following command： SQL> SELECT dbms_addm.get_report（：tname） FROM DUAL； The above command produces Automatic Database Diagnostic Monitor （ADDM） analysis（）
A. with the CPU Usage finding if it is less than 90
B. without the CPU Usage finding if it is less than 90
C. with the CPU Usage finding for snapshots below 90
D. with the CPU Usage finding for snapshots not between 150 and 162
