Above is a component from PDW library. When defining expressions, is it necessary to say,
p1=A; p2=B; p3=C; ….
And then
A=X1; B=X2; C=X3; …. (Where X1, X2, X3, … are any corresponding values)
Why couldn’t it be as follows, directly specified by catalogue variable or a variable name?
Is it necessary have “p1; p2; p3;…”?
What am I missing or what is the disadvantage?