10 UMLClass 220 90 210 70 _db: StarsDatabase_ -- Relation 150 150 100 160 lt=- m2=stars[0] 80.0;10.0;10.0;140.0 Relation 410 150 130 160 lt=- r2=stars[1] 10.0;10.0;70.0;140.0 UMLClass 70 290 210 70 _: Star_ -- - name: "Sirius" - id: "TYC 5949-2777-1" UMLClass 440 290 210 70 _: Star_ -- - name: "Alpha Centauri" - id: "TYC 9007-5849-1" UMLClass 210 420 210 70 _star: Star_ -- - name: null - id: null