What does isolation in Acid rules for transaction in database mean?
a)either the effects of whole transaction is reflected on database or database is rolled back to its original state
b)No transaction
Consider the following code:
function modify(y,z)
{
y = y + 1
z = z + 1
return y - z
}
function calculate( )
{
integer a = 12, b = 20, c
c = modify(a, b);
print a
print space
prin
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Recycling 900 kg of paper saves 17 trees. How many trees are saved when 1200 kg of paper are recycled?
Options
1)19
2)25
3)20
4)22
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