Answer / gokulakrishnan

Actually FAN TRAP is a problem that occurs in Universe
Level. Loop occurs while we design the universe.

Two Types of Loop Problem:

1) FANTRAP PROBLEM solved by ALIAS METHOD:

Definition: Two One-to-many table link eachother is in turn
linked another one-to-many table.

2) CHASM TRAP PROBLEM solved by CONTEXT METHOD:

Definition: Two Many-to-one table converges on one single
lookup table.

Loop can be detected while INTEGRITY CHECK is done. An
option is there as "Check for LOOPS" available. By "Detect
Loop" we can choose what to be applied for solving the loop.

Answer / vams_gk

fantrap is the one of the concept to solve join
problems.the table contains 1:m relationship paralally it
is fan trap..it is coming upby situvation

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