Run sqlplus iggy$/$oracle$.($It is assumed that you have already run the BuildIGGY.sql script last week that built the required user and tables.$)$

Type SPOOL c:$\backslash$cis$4210\backslash$M$3$spool.txt $.$

Write a single SQL statement that lists all suppliers supplying ONLY hammers WITHOUT using the difference operation. $($A subquery would be appropriate.$)$

When finished, stop the spooling and exit the program. $($You may edit the spool file for clarity if you wish.$)$