Answer Posted / nasa
loop is nothing but closed path
it occurs when relation have like
table 1->relation with-> table 2-> relation with-> table 3-
relation with ->table 1.
here table 3 have the relation again with table 1 so simply
we can say here loop is occurred..
by using shortcut or alias we can resolve this...
table 1->relation with-> table 2-> relation with-> table 3-
relation with -> short cut table 1.
by right click on table we will get shortcut and alias
options..
shortcut: if we update or any modification in original table
that will effect on shortcut of that particular short table
alias: if we update or any modifications in original table
that will not give any effect on alias table
........
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