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You executed the following command in Recovery Manager (RMAN) against your Oracle 10g database: 
RMAN> REPORT NEED BACKUP days 3; 
What would be the output of this command?() 

A . a list of files that require a backup within three days
B . a list of files that have not been backed up for three days
C . a list of files that RMAN recommends be backed up only once in every three days, based on low volatility
D . a list of files for which a backup has already been performed and may need a backup after three day

Which are the correct steps, in order, to deal with the loss of an online redo log if the database has not yet crashed?()   a. Issue a checkpoint.  b. Shut down the database.  c. Issue an alter database open command to open the database.  d. Startup mount the database.  e. Issue an alter database clear logfile command.  f. Recover all database datafiles. a, b, c, d。 b, d, e, c。 a, b, d, e, c。 b, f, d, f, c。 b, d, a, c。 下列发包行为中,属违法分包或转包的有()。 总承包单位将某框架主体施工分包给具备相应资质条件的单位。 总承包单位私自将幕墙工程分包给具备相应资质条件的单位。 钢结构分包单位将三个单体分别发包给三个具备相应资质条件的单位。 总承包单位私自将主体结构劳务分包给具备相应资质条件的劳务单位。 幕墙分包单位私自将劳务施工分包给具备相应资质条件的劳务单位。 You are working on a 24X7 database. You want to design a backup strategy for your database that uses user managed backups. You want to be able to perform all backups while the database remains online. Which statement about performing user-managed backups in a 24x7 environment is true?() You must have change tracking enabled in your database。 Your database must be running in NOARCHIVELOG mode。 To back up a tablespace, it must be in backup mode。 To back up a tablespace, it must first be taken offline。 如何应付应激? 保险资金融通需要满足的前提条件是()。 保证资金获得最大收益。 保证保险的赔偿或给付。 保证资金的最大安全。 保证资本市场的繁荣发展。

You executed the following command in Recovery Manager (RMAN) against your Oracle 10g database: 
RMAN> REPORT NEED BACKUP days 3; 
What would be the output of this command?() 

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