relation R(ABCD) has these dependencies {A → B, B → C,C → D} and it is decomposed into three relations R1(AB) , R2(BC), AND R3(CD). State true or false if the decomposition is dependency preserving or not?
The decomposition is dependency preserving. Because the union of all the functional dependencies from R1, R2 AND R3 is equal to the dependencies that are in relation R.
Rashmi and Rahul’s father ………. not well.
When I …….. the premises, she will follow me.
Select the INCORRECTLY spelt word.
Led by the nose
Piping Hot
Hardly did we begin our journey ……. it started to rain.
Have a screw loose
Two …………………………………. are visiting the organisation today.
Fill in the blanks with correct words from the options.
When I rang the bell, he came ___________ __________.
A) Maxim
B) Irreverence
C) Knell
D) Derision
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