Yurttas/PL/DBL/oracle/F/01/SPJ/q10.sql

 1REM
 2REM q10.sql
 3REM
 4REM Set the shipment quantity to zero for all suppliers in 
 5REM 'Denver'.
 6
 7UPDATE Shipments
 8SET quantity = 0
 9WHERE sn IN (SELECT sn
10             FROM Suppliers
11             WHERE city = 'Denver');