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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