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You have recovered your Oracle Database 10g by using the control file backup because all copies of the current control file have been lost due to a media failure. You open your database by using the following statement:      
SQL>ALTER DATABASE OPEN RESETLOGS;  
Which of the following options is true about using the RESETLOGS option?()

A .  The log sequence is reset to 0.
B .  All the online redo logs are deleted.
C .  All the archived redo logs from a previous incarnation become useless.
D .  The full database backup taken from a previous incarnation can be used in future.
E .  Only the control file and online redo log files are updated with a new RESETLOGS SCN and time stamp.

农村土地承包法的基本原则? 下列对于物流的有关说法,错误的是() 物流的对象应该包括“人”。 物流不是一个产业。 物流过程需要一体化。 物流包含储运。 Full Atomicity, Consistency, Isolation, Durability (ACID) compliance is a necessity for a new application, which heavily reads and writes data. This requires the following config file options: Sync_binlog=1 Innodb_flush_log_at_trx_commit=1 Innodb_doublewrite=1 However, this configuration is expected to introduce disk I/O overhead. What three changes will reduce disk I/O overheads?() Use of soft links for database directories on the same physical disk。 Use of delay_key_write=ON for batch index update。 Allocation of RAM to the buffer pool such that more of the data can fit in RAM。 Placement of InnoDB log files and datadir on separate physical disks。 Use of separate directories on the same physical disk for log files and data file。 符合充装条件的液化石油气钢瓶,质量检查员应()。 空瓶称量。 核定充装量。 填好检查登记表。 将钢瓶转送充装岗位。 You are maintaining your database in Oracle10g. On Tuesday at 8:00 A.M., while starting the database, you discover that all the control files are missing. The backup of the full database was performed on Sunday at 6:00 P.M. Which type of recovery will you perform?()  incomplete recovery。  complete recovery。  recovery using the Flashback Database feature。  recovery using the export/import utility。

You have recovered your Oracle Database 10g by using the control file backup because all copies of the current control file have been lost due to a media failure. You open your database by using the following statement:      
SQL>ALTER DATABASE OPEN RESETLOGS;  
Which of the following options is true about using the RESETLOGS option?()

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