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Question
What is advantage of having disk shadowing/ Mirroring ?
 Question Submitted By :: Guest
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  Re: What is advantage of having disk shadowing/ Mirroring ?
Answer
# 1
if the original disk has been crashed, the data can be
recovered by using this method. just like raid levels
 
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Other Architecture Interview Questions
 
  Question Asked @ Answers
 
What are the functions of SMON?  2
What are the components of SGA?  2
What is Server Process?  1
What are disadvanteges of having raw devices ?  1
What is Shared SQL Area?  1
what is the role of archiever Satyam1
What Does DBWR do?  2
How will you swap objects into a different table space for an existing database?  1
What is PGA?  3
How will you estimate the space required by a non-clustered tables?  1
When does LGWR write to the database?  3
What do Redo Log Buffers contain?  1
When Does DBWR write to the database?  4
What is Shared Pool?  3
How many Dispatcher Processes are created?  1
What is advantage of having disk shadowing/ Mirroring ?  1
Name the ORACLE Background Process?  2
What is meant by free extent ?  2
What is use of Rollback Segments In Database ?  2
How can we plan storage for very large tables ?  1
 
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