Question { Tech Mahindra, 14677 }

what is fantrap and chasmtrap ?

Answer

Chasam Trap:

chasm trap means many-to-one and one-to-many join relation
converge on to a single lookup table, because of this we
get incorrect results i.e., cartision product, We will
resolved by using some times alias, some times context,
some times shortcut join and check mutiple context for each
measures option.

Fan Trap:

Fantrap means one-to-many and one-to-many join relation of
the tables it is detected by visval analysis, because of
this we get incorrect results i.e., cartision product,
We will resolved by using some times alias, some times
shortcut join and check mutiple sql statements for each
measures option.