Differences

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--- data_concept:primary_key [2023/06/26 14:34]
peter
+++ data_concept:primary_key [2024/03/08 13:33] (current)
@@ Line 5: / Line 5: @@
 ===Relation===
-|Primary key| is subtype of |[[data_concept:data element|data element]]|
+|Primary key| is child of |[[data_concept:data element|data element]]|
 |Primary key|identifies|[[data_concept:data record|data record]]|
+|Primary key|can be used as link to another [[data_concept/data_record|data record]] by a|[[data_concept/foreign_key|foreign key]]|
+{{tag>All}}