Consider a table T with three columns named ID$,$ Name and City. Which statements are likely to deteriorate in performance after adding an index to NAME cohumn?

UPDATE T SET City$=$'Hyderabad where Name$=$'Apanitha'

INSERT into T values $(1.$ Aganitha, Hyderatach$)$

SELECT CIty where Name$=$'Aganitha

SELECT Name where City$=$Hyderabad