单选题You decided to change the location of the flash recovery area. You executed the following command： ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’+disk1’ SCOPE=BOTH SID=’*’； Which statement is true？（）A The location can be changed only if the flash recovery area is empty.B After executing the command， all new flash recovery area files will be created in the new location.C The command will generate an error because you cannot change the flash recovery area while the database is open.D All the existing files in the flash recovery area will be moved to the new location and all new Flash Recovery Area files will be created in the new location.
单选题
You decided to change the location of the flash recovery area. You executed the following command： ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’+disk1’ SCOPE=BOTH SID=’*’； Which statement is true？（）
A
The location can be changed only if the flash recovery area is empty.
B
After executing the command， all new flash recovery area files will be created in the new location.
C
The command will generate an error because you cannot change the flash recovery area while the database is open.
D
All the existing files in the flash recovery area will be moved to the new location and all new Flash Recovery Area files will be created in the new location.
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单选题You want to set the following Initialization parameters for your database Instance LOG_ARCHIVE_DEBT_1 = ，，LOCATION=/disk1/arch LOG_ARCHIVE_DBST_2 = ，，LOCATION=/disk2/arch LOC_ARCHIVB DBST_3 = ，，LOCATION=/disk3/arch LOG_ARCHIVE DBST_ = ，，LOCATION=/disk3/arch Identify the statement that correctly describes this setting.（）A The MANDATORY location must be a flash recovery area.B The optional destinations may not use the flash recovery area.C This setting is not allowed because the first destination is not set as MANDATORY.D The online redo log file is not allowed to be overwritten if the archived log cannot be created in the fourth destination.
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多选题You decided to increase the value for the SHARED_SERVERS parameter by using the following command： SQL ALTER SYSTEM SET SHARED_|SERVERS=3 SCOPE=？； Which three values can be specified for the SCOPE clause？（）AALLBPFILECBOTHDNONEESPFILEFMEMORYGINSTANCEHDATABASE
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