950a2273c3
A * B ∪ A * C = A * (B ∪ C)
9 lines
138 B
Plaintext
9 lines
138 B
Plaintext
id,name,chief,age,skill
|
|
4,eve,0,25,C
|
|
5,duncan,4,30,C
|
|
2,john,1,30,C
|
|
7,alia,1,28,C
|
|
4,eve,0,25,Perl
|
|
5,duncan,4,30,Perl
|
|
0,jack,0,22,C
|