2011年12月17日星期六

Pass Oracle Database 10g: Administration I 1Z0-042 exam

The following article focuses on the Oracle 10g DBA 1Z0-042 questions related to the specific content of the article the following is a detailed analysis, will look after your browse Oracle 10g DBA 1Z0-042 have a better understanding.

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Exam Number/Code : 1z0-042
Exam Name : oracle database 10g:administration i

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1. Cold backup and hot backup and the respective merits of different points
Answer: hot backup mode for the archive database is still in the database backup is in working condition. The cold backup means the database is closed, the backup, the database for all modes. The advantages of hot backup when the backup, the database can still be used and can restore the database to any point in time.

Cold backup is that it’s quite simple backup and recovery operations, and because of the cold backup of the Oracle Certification database can work in non archive mode, the database performance was slightly better than the archive mode. (Because do not have to archive log written to disk.)

2. 1Z0-042 How to create a backup control file?
Answer: Alter database backup control file to trace.

3. Gives the database starts normally experienced by several states?
Answer:
STARTUP NOMOUNT – start the database instance
STARTUP MOUNT – Database Load
STARTUP OPEN – open the database.