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


 Oracle General interview questions  Oracle General Interview Questions (720)
 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 (265)
 Forms Reports interview questions  Forms Reports Interview Questions (466)
 Oracle AllOther interview questions  Oracle AllOther Interview Questions (183)
What is hit ratio ?
 Question Submitted By :: Architecture
I also faced this Question!!     Answer Posted By  
# 1
hit ratio=number of hits/(number of hits+ number of miss) 
Is This Answer Correct ?    141 Yes 14 No
# 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 ?    96 Yes 13 No
# 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
# 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 ?    31 Yes 5 No
Ramanjeet Saini
# 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
# 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
# 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
# 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 functions of PMON?   5
What is the maximum number of Lock Processes used?   1
How will you monitor rollback segment status ?   2
What is Shared Pool?   3
What is meant by recursive hints ?   1
How will you swap objects into a different table space for an existing database?   2
What is Server Process?   2
How to find the current session sid   3
What constitute an ORACLE Instance?   2
What is User Process?   1
How can we plan storage for very large tables ?   1
How the log writer writes the data into database Satyam 4
For more Architecture Interview Questions Click Here 

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