Database Management

Find min and max cardinality both in numbers and symbols for the following queries EXERCISE R1(A, B, C), with foreign integrity constraint between C and R2, and having cardinality N1300 R2(D, E, F),, with foreign integrity constraint between E, F and R3, and having cardinality N2 = 100 R3(G, H, D, having cardinality N3= 200 3. R2 jOINE-GAF-HR3 4. PROJA,B (R1) 5. (R1 JOIN c-DR2) JOIN E-GR3 E-GAF-H R3) jOIN1-BRI Solution Example 7. PROJ B.c (R1) 8. R1 JOIN c DR2 9. R3 JOINRl Ex. Min Max Min Max (symb) (symb) (numb) (numb) N3 200