Network database

Network Database is a database created and run on the network across computers. The relationship between the data in the network database is not one-to-one correspondence. There may be a one-to-many relationship. This relationship is not a coverage relationship with only one path, but may have multiple paths or subordinate relationships. Network databases allow multiple paths between two nodes, while hierarchical databases can only have one path from a parent record (high-level record) to a child record (low-level directory).
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Network database

PC software

ios software

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Network Database is a database created and run on the network across computers. The relationship between the data in the network database is not one-to-one correspondence. There may be a one-to-many relationship. This relationship is not a coverage relationship with only one path, but may have multiple paths or subordinate relationships. Network databases allow multiple paths between two nodes, while hierarchical databases can only have one path from a parent record (high-level record) to a child record (low-level directory).