What type of database I$/$O operations will likely be used by the query? $($See Table $11\mathrm{.}3.)$

SELECT

EMP$\_$LNAME, EMP$\_$FNAME, EMP$\_$DOB, YEAR$($EMP$\_$DOB$)$ AS YEAR

FROM

EMPLOYEE

WHERE

YEAR$($EMP$\_$DOB$)=1976$;