Yurttas/PL/DBL/mysql/F/01/00/SPJ/q13.sql

 1/*
 2REM
 3REM q13.sql
 4REM
 5REM Delete all projects for which there are no shipments.
 6REM
 7*/
 8
 9\. set-db.sql
10
11DELETE FROM Projects
12WHERE JN NOT IN (SELECT JN
13                 FROM Shipments);