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one_to_many_relationship.htm
Navigation:  Glossary Index >====== one-to-many relationship ============ A connection between two data entities in which there may exist one corresponding value in the primary key of one database file or table, to many identical values in the foreign key of another table. The relationship implicitly describes the direction of the relation. For example, the relation of states to cities implies a state may have many cities. Also called a parent-child relation. ====== Previous pageReturn to chapter overviewNext page
one_to_many_relationship.htm.txt · Last modified: 2021/04/15 15:57 by 127.0.0.1