if i have 2 fact tables and having the chance for use concatenation or link table?

[Anonymous]

if i have 2 fact tables and having the chance for use concatenation or link table?

which one is best ,  which performance is fast ?

[maxgro · Accepted solution]

there are many discussion about this question (use search at the top right) , I prefer concatenate but don't think there is one answer 

Concatenate vs Link Table