ocr: S# SNAME STATUS CITY P# QTY S1 Smith 20 London P1 300 S1 Smith 20 London P2 200 - : : S1 Smith 20 London P6 100 S2 Jones 10 Paris P1 300 S2 Jones 10 Paris P2 400 S5 Adams 30 Athens FIGURE 4. The left outer joit of S willt SP (using dasites to represent nulls).
