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What is DBMS Hierarchical Model?


  • The hierarchical data model organizes data in a tree structure.
  • There is a hierarchy of parent and child data segments.
  • This structure implies that a record can have repeating information, generally in the child data segments.
  • Data in a series of records, which have a set of field values attached to it.
  • It collects all the instances of a specific record together as a record type.


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