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What is foreign key relationship?

A relationship which can be defined between tables and must be explicitly defined at field level. Foreign keys are used to ensure the consistency of data. Data entered should be checked against existing data to ensure that there are now contradiction. While defining foreign key relationship cardinality has to be specified. Cardinality mentions how many dependent records or how referenced records are possible.

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This entry was posted on Sunday, June 29th, 2008 at 3:21 am and is filed under SAP. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

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