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今天 老大安排了个任务,做的工程中,想知道某个表属于哪个用户, 于是想到了,dba_tables 这个数据字典,反反复复查了好几次,也没有成功,明明存在,就是查不到,甚是奇怪,,,,,原来oracle在数据字典里的表名是以大写字母,存在的,所以应该大写:select owner from dba_tables where table_name='HEHEHE'; 就...
oracle DG 日志传输小结
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oracle视图flashback_transaction_query中列operation为unknown
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oracle OCP-053-656
656 The BACKUP_TAPE_IO_SLAVES parameter is set to FALSE for the database instance. Which statement istrue while performing a tape backup in an RMAN session?A. The tape I/O performed is asynchronousB. The tape buffer is allocated from the System GlobalArea (SGA)C. The tape buffer is...
oracle 数据库 OCP-053-686
686. You execute the following FLASHBACK TABLE command: Which two statements are correct?(Choose two.)A.The EMP table that was dropped by mistake earlier is restored.B.The FLASHBACK TABLE statement is executed as a single transaction.C.The FLASHBACK TABLE state...
oracle 数据库 OCP-053-698
698. In your production database, you:-Are using Recovery Manager (RMAN) with a recovery catalog to perform the backup operation at regular intervals-Set the control file autobackup to “on”-Are maintaining image copi es of the database filesYou have lost the server parameter...
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Oracle 数据库OCP-053-635
635.While Monitoring the space usage in your database that is in ARCHIVELOG mode you observed thatthe flash recovery area does not have enough free space to accommodate any more files and you do nothave necessary permissions to add more space to it.Identify the two events that can occur in the ...
Oracle 数据库 ocp-053-586
586.Consider the following command:Backup database plus archivelog delete input;How many backup sets would be created by this command if the following were true:Control-file a NN uto backups were enabled.NN The size of backup sets was not restricted.NN One channel was allocated.A. 1B. 2C. 3...
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ocp 053 394
394.Which of the following statements is true regarding the initialization parameter DIAGNOSTIC_DEST?A. The default value is the value of the environment variable $ORACLE_HOME; if $ORACLE_HOME isn't set,then the default is set to $ORACLE_BASE.B. The defa...
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ocp 053 343
343.What is the impact of the following backup if it exceeds the duration allowance? (Choose all thatapply.)Backup as compressed backupset duration 2:00 partial minimize load database ;A. The entire backup will fail. It will not be usable for recovery.B. The entire backup will fail, bu...