Question: A database transaction implements the command set STATUS to 'CURRENT' in all records where BALANCE-OWED=0. (A) Describe how that transaction would be performed with the

A database transaction implements the command "set STATUS to 'CURRENT' in all records where BALANCE-OWED=0".

(A) Describe how that transaction would be performed with the two-step commit.

(b) Suppose the relations from which the command was formed are (CUSTOMER-ID,STATUS) and (CUSTOMER-ID, BALANCE-OWED). How would the transaction be performed?

(c) Suppose the relations from which that command was formed are (CUSTOMER-ID, STATUS), (CREDIT-ID,CUSTOMER-ID), (CREDIT-ID, BALANCE-OWED). How would the transaction be performed?

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