a) Embedded data models make it possible to update related data in a single atomic write operation
b) Embedding related data in documents may lead to situations where documents grow after creation
c) With the MMAPv1 storage engine, document growth can impact write performance and lead to data fragmentation
d) All of the mentioned
Answer: d
Explanation: In version 3.0.0, MongoDB uses Power of 2 Sized Allocations as the default allocation strategy for MMAPv1 in order to account for document growth, minimizing the likelihood of data fragmentation.
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What is the output of the given code?
counter=1
if counter<=5
puts (counter)
counter=counter+1What is the output of the given code?
if(a==10 && b=9)
print “true”
else
print “false”
endWhich of the following are used for comparison?
What is the output of the given code?
a=10
b=9
if(a>b)
print (“a greater than b”)
else
print “Not greater”
endAssignment operator is also known as relational operator.
What is the output of the given code?
a=”string”
b=”strings”
if(a==b)
print (“a and b are same”)
else
print “Not same”
endWhat is the output of the given code?
test_1 = 17 > 16
puts(test_1)
test_2 = 21 <= 30
puts(test_2)
test_3 = 9 >= 9
puts(test_3)
test_4 = -11 > 4
puts(test_4)
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