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Categories >> Software >> Databases >> Oracle >> Architecture
 
 


 

 
 Oracle General interview questions  Oracle General Interview Questions (718)
 OCI interview questions  OCI Interview Questions (10)
 Architecture interview questions  Architecture Interview Questions (75)
 Oracle Security interview questions  Oracle Security Interview Questions (37)
 Database Management interview questions  Database Management Interview Questions (264)
 Forms Reports interview questions  Forms Reports Interview Questions (466)
 Oracle AllOther interview questions  Oracle AllOther Interview Questions (180)
Question
What is hit ratio ?
 Question Submitted By :: Guest
I also faced this Question!!     Rank Answer Posted By  
 
  Re: What is hit ratio ?
Answer
# 1
It is a measure of well the data cache buffer is
handling requests for data.

Hit Ratio = (Logical Reads - Physical Reads - Hits Misses)/
Logical Reads.
 
Is This Answer Correct ?    67 Yes 30 No
Orawhiz
 
  Re: What is hit ratio ?
Answer
# 2
hit ratio=number of hits/(number of hits+ number of miss) 
Is This Answer Correct ?    129 Yes 14 No
Jhansi
 
 
 
  Re: What is hit ratio ?
Answer
# 3
The performence of memory is frequently mesuread in terms
of quntity is called hit ratio.when the cpu needs to find
the word in the cache,if the word is found in the cache
then its proudes a hit.if the word is not found in the
cache,it is in main memory as counted miss.the ratio of
number of hits is divided by the total cpu refrence of
memory is called hit ratio.
 
Is This Answer Correct ?    85 Yes 13 No
Raghvendra
 
  Re: What is hit ratio ?
Answer
# 4
The performence of memory is frequently mesuread in terms
of quntity is called hit ratio
 
Is This Answer Correct ?    20 Yes 13 No
Tarun Gupta
 
  Re: What is hit ratio ?
Answer
# 5
Simply when data is available in the SGA for operation is
called hit ratio.
 
Is This Answer Correct ?    9 Yes 12 No
Sami Khattak
 
  Re: What is hit ratio ?
Answer
# 6
Hit ratio is a concept defined for any two adjacent level of
memory hierarchy. The hit ratios at successive levels are
function of memory capacities, management policies and
program behavior. Hit ratios always lies between 0 to 1.
 
Is This Answer Correct ?    15 Yes 15 No
M. Ramesh Kumar
 
  Re: What is hit ratio ?
Answer
# 7
The performance of cache memory is measured in terms of hit ratio.If a data item requested by cpu is found in the cache,it is called a hit.If the requested data item is not found,it is called a miss.hit ratio is the ratio of number of hitsdivided by total requests 
Is This Answer Correct ?    27 Yes 5 No
Ramanjeet Saini
 
  Re: What is hit ratio ?
Answer
# 8
if the word is found in the cache if then its proudes a hit called hit ratio. 
Is This Answer Correct ?    5 Yes 7 No
Santlal Gupta
 

 
 
 
Other Architecture Interview Questions
 
  Question Asked @ Answers
 
What do Redo Log Buffers contain?   2
What is the function of Dispatcher (Dnnn)?   3
What is the function of Lock (LCKn) Process?   1
What is the function of ARCH?   3
What is the OPTIMAL parameter ? TCS 1
What is meant by free extent ?   2
How the log writer writes the data into database Satyam 4
How the space utilisation takes place within rollback segments?   2
How to find the SGA Size Reliance 7
Name the ORACLE Background Process?   3
When does LGWR write to the database?   3
What is use of Rollback Segments In Database ?   4
 
For more Architecture Interview Questions Click Here 
 
 
 
 
 


   
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