Cardinalities of Joins in Universe

[system]

Is cardinalities are mandatory in the creation of the joins in the universe??

If i didnt give the cardinalities for the joins in the universe, is still query retrieved the exact results …

Can any one give idea on the cardinalities adavantages and dis advantages

wheather they are mandatory to assign …

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nani1984 (BOB member since 2011-01-11)

[system]

Welcome to B:bob:B!

Have you tried searching? This has been discussed here many times before.

[Moderator Note: Moved from General Discussion to Semantic Layer / Universe Designer]

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Marek Chladny (BOB member since 2003-11-27)

[system]

iam new to this…
can u send me the link…
reagarding this topic

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nani1984 (BOB member since 2011-01-11)

[system]

For instance here:

Setting cardinality or not?

I have inherited a universe that someone else built and a lot of the joins do not have a set cardinality. The universe works but is there a benefit at this point to go back to all of the joins and set the cardinality? Secondly a lot of the joins are defined as complex (box between the tables when looking at the join says complex) but the joins are not complex. These are straight single field equal to joins but when the person created the joins a carriage return was added to the end of the joi…

Cardinality

Hi, I am new to Universe Design. I am wondering how cardinality setting is important? Would I get wrong result if I don’t set the cardinality or wrong cardinality? Just wondering… Thanks, -rk rit372002 (BOB member since 2006-11-02)

Is it always necessary to set cardinality

Hi All, I know we are told to set cardinality while developing universes. Is it always necessary? Is yes, why? ajq anushajq (BOB member since 2005-02-22)

effect of cardinality

Dear All, What is the use of cardinality in universe. Rakesh_K (BOB member since 2007-12-11)

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Marek Chladny (BOB member since 2003-11-27)