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Karim_Khan
Contributor III

What is Cardinality?

Hi Team,

   What is Cardinality in qlikview?

Regards,

Karim Khan

1 Solution

Accepted Solutions

Re: What is Cardinality?

In computing, Cardinality is a word that denotes the uniqueness of data in a column. Columns containing highly unique data—ID numbers, for example, which are unique to each individual— are said to have “high cardinality.” Columns can also be defined as possessing “normal” or “low” data cardinality.

Cardinality in data can also express the relationships that tables have with one another, and are defined in their cardinality as either “many to many,” “one-to-many” or “one-to-one.”

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5 Replies

Re: What is Cardinality?

Cardinality represent the uniqueness of the data for Key Field.

See the below link

http://businessintelligence.com/dictionary/cardinality/

gautik92
Valued Contributor III

Re: What is Cardinality?

Have a look at this thread

Cardinalities in a database

Re: What is Cardinality?

In computing, Cardinality is a word that denotes the uniqueness of data in a column. Columns containing highly unique data—ID numbers, for example, which are unique to each individual— are said to have “high cardinality.” Columns can also be defined as possessing “normal” or “low” data cardinality.

Cardinality in data can also express the relationships that tables have with one another, and are defined in their cardinality as either “many to many,” “one-to-many” or “one-to-one.”

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Karim_Khan
Contributor III

Re: What is Cardinality?

Tnx bro for always helping

Karim_Khan
Contributor III

Re: What is Cardinality?

tnx