In the many-to-one relationship, more than one record in the source table may have a common value with only a single record in another table. An example of this is a table containing stand attributes, including a species code.
Join establishes a one-to-one or many-to-one relationship between the destination table and the source table. It is an easy way to add the attribute data from other resources to your map.
 See also: Many-to-One, Relation, Network, Boundary, Access
  
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