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Madansas7b
Obsidian | Level 7

Hi All,

 

can u please suggest me on this as i was confused evry time.

what would be the minimum and maximum number of records if i use inner join between two tables .?

and is duplicate values impact on that count?

 

1 ACCEPTED SOLUTION

Accepted Solutions
Reeza
Super User

Yes duplicates will affect number. 

Inner means records are in both data sets so the minimum is 0 - which is no overlap. 

The maximum is N1XN2 as a CROSS JOIN. So in the INNER join case this information is not that helpful. 

View solution in original post

2 REPLIES 2
Reeza
Super User

Yes duplicates will affect number. 

Inner means records are in both data sets so the minimum is 0 - which is no overlap. 

The maximum is N1XN2 as a CROSS JOIN. So in the INNER join case this information is not that helpful. 

Madansas7b
Obsidian | Level 7

Thank You Soooo MUCH @Reeza .

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