$\mathrm{.}3)$ What is the minimum amount of memory $($RAM$)$ to use for the buffer pool such that

the DBMS can sort BOTH datasets in $4$ passes or less $($in terms of MB$)?(6$ points$)$

$3\mathrm{.}4)$ Assume the DBMS has $1$ MB of memory $($RAM$)$ to use for the buffer pool. What is the

largest dataset $($to the nearest GB$)$ that can be sorted using general external sort using $3$

passes? $(4$ points$)$