Normalisation Consider the following relation for student records:
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Normalisation


Consider the following relation for student records:

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ACCOUNT(AccountNo, AccountType, TypeDesc, CustomerID, CustName, CustAddress, CustContact, Balance, BranchID, BranchLoc, BranchManager)


Given that the following dependencies exist:


AccountNo -> AccountType, CustomerID, BranchID, Balance

CustomerID->CustomerName, CustAddress, CustContact

AccountType -> TypeDesc

BranchID -> BranchLoc, BranchManager


B1. Why is the relation in 1NF? State the reason briefly. [3 marks]


B2. Is the relation in 2NF? State your reason briefly with example. [4 marks]


B3. Decompose the relation to 3NF. State the reason why the decomposed relation is in 3NF. [3 marks]


Underline all primary key attributes and put (F.K.) next to all the foreign key attributes.

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