Question -
An attribute A of datatype varchar(20) has the value "Avi . The attribute B of datatype char(20) has value Reed .Here attribute A has ____ spaces and attribute B has ____ spaces .
Options:
A .  3, 20
B .  20, 4
C .  20 , 20
D .  3, 4
Answer: Option A
3, 20Varchar changes its length accordingly whereas char has a specific length which has to be filled by either letters or spaces.
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