Spurious tuples may occur due to
i. Bad normalization
ii. Theta joins
iii. Updating tables from join
a) i & ii
b) ii & iii
c) i & iii
d) ii & iii
Two trains for B leave A at 6.30am and 7.40am and travel at 30km/hr and 40 km./he respectively. How many kms from A will the trains meet?
a) 100km b) 35km c) 150km d) 140km
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