Consider three tables with following number of tuples in each

X(a,b,c) =100 , Y(d,e,f) =80, Z(x,d,f) =90

Tuples in Y and Z with same value of attribute d =70

The maximum number of tuples in ( X inner join Y ) full outer join Z is ________.

The minimum number of tuples in ( X inner join Y ) full outer join Z is ________.

ANYONE CAN PLEASE EXPLAIN IN DETAILS, ANS. IS Max 16900 Min 8090?

NOTE - DON'T BE COPY PASTE FROM GOOGLE, GIVE OWN PERFECT HANDWRITTEN EXPLANATIONS , IN BETTER SIMPLIFICATIONS.