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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 (181)
Question
What is hit ratio ?
 Question Submitted By :: Architecture
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
hit ratio=number of hits/(number of hits+ number of miss) 
Is This Answer Correct ?    137 Yes 14 No
Jhansi
 
Answer
# 2
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 ?    93 Yes 13 No
Raghvendra
 
 
 
Answer
# 3
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 ?    71 Yes 30 No
Orawhiz
 
Answer
# 4
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 ?    29 Yes 5 No
Ramanjeet Saini
 
Answer
# 5
The performence of memory is frequently mesuread in terms
of quntity is called hit ratio
 
Is This Answer Correct ?    23 Yes 13 No
Tarun Gupta
 
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 ?    16 Yes 16 No
M. Ramesh Kumar
 
Answer
# 7
Simply when data is available in the SGA for operation is
called hit ratio.
 
Is This Answer Correct ?    10 Yes 14 No
Sami Khattak
 
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 10 No
Santlal Gupta
 

 
 
 
Other Architecture Interview Questions
 
  Question Asked @ Answers
 
What are the two types of Server Configurations?   3
What is PGA?   5
What is use of Rollback Segments In Database ?   4
How will you estimate the space required by a non-clustered tables?   2
what is ORACLE MEMORY STRUCTURES   3
What is Database Buffers ?   4
What is the function of ARCH?   3
How to find the SGA Size Reliance 7
What is dictionary cache ?   2
Name the ORACLE Background Process?   3
When will be a segment released?   1
What is the role of PCTFREE parameter is Storage clause ?   2
 
For more Architecture Interview Questions Click Here 
 
 
 
 
 


   
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