how is relational database different from Hierarichal database?
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A fundamental difference between segments in a hierarchical database and tables in a relational database is that, in a hierarchical database, segments are implicitly joined with each other. ... In a relational database, this relationship between tables is captured by foreign keys and primary keys.
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A fundamental difference between segments in a hierarchical database and tables in a relational database is that, in a hierarchical database, segments are implicitly joined with each other. ... In a relational database, this relationship between tables is captured by foreign keys and primary keys.
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