January 23rd, 2020 
Run SQL*Plus iggy/oracle. (It is assumed that you have already run theLoadDB.sql script last week that built the required user and tables.)
Type SPOOL c:cis4210M3spool.txt .
Write a single SQL statement that lists all suppliers supplying only hammers WITHOUT using the difference operation. (A join or subquery would be appropriate.)
When finished, stop the spooling and exit the program. (You may edit the spool file for clarity if you wish.)
Submit your text document with the file name c:cis4210M3spool.txt .
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