（单选题）
You are maintaining your database in Oracle10g. You set the value of the UNDO_RETENTION initialization parameter to zero in the initialization parameter file. What will be the impact of specifying this setting？（）
A The database will not start.
B The database will start but will not retain the undo data in the undo segment.
C The database will start， and the undo segment will contain the undo data for at least one hour.
D The database will start， and the undo segment will retain the undo data for at least 15 minutes.
正确答案
答案解析
略
相似试题
（单选题）
You are configuring for Oracle Shared Server. Which service is required？ （）
（多选题）
You are working on an Oracle Database 10g database. You enabled the Flashback Database feature. Which two statements regarding flashback logs are true？ （）
（单选题）
How are messages displayed when you use the SRW.MESSAGE packaged procedure? （）
（单选题）
In which situation are you NOT required to perform an incomplete recovery？（）
（单选题）
You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup?（）
（单选题）
You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup？（）
（单选题）
You are performing a database recovery because a user’s schema is dropped. While performing the recovery， you use the UNTIL SEQUENCE clause. Which type of database recovery are you performing？（）
（多选题）
You want to make use of the object features available in the database for the form module you are developing. Which three statements about object types are true? （）
（单选题）
Which command would you use to determine what database backups are currently available for restore?（）
（单选题）
Which command would you use to determine what database backups are currently available for restore？（）
