teknologjia informative / Ligjerata 10
- 5. R x S2 r1 r2 r3 s1 s2 1 x 3 4 q 4 x 3 4 q 3 y 4 4 q 2 z 7 4 q 1 x 3 2 m 4 x 3 2 m 3 y 4 2 m 2 z 7 2 m
- 6. Projection R [ r2 , r3 ] r2 r3 x 3 y 4 z 7 -join R [ r3 > s1 ] S1 r1 r2 r3 s1 s2 3 y 4 3 p 2 z 7 3 p 2 z 7 4 q 2 z 7 4 p
- 7. r1 r2 r3 s1 s2 1 x 3 3 p 4 x 3 3 p 3 y 4 4 q 3 y 4 4 p 2 z 7 R[r3 = l s1]S1
- 8. S# P# s1 p1 s1 p2 s1 p3 s1 p4 s1 p5 s1 p6 s2 p1 s2 p2 s3 p2 s4 p2 s4 p4 s4 p5 Divide by ÷ Result DEND/DOR DEND DOR 1 P# p1 DOR 2 DOR 3 P# p2 p4 P# p1 p2 p3 p4 p5 p6 S# s1 s2 S# s1 s4 S# s1