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| hierarchische Datenbasis | |||
| hierarchische Datenbank | |||
| English thesaurus | |||
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| A database structured in a tree/root or parent/child relationship (Each parent can have many children, but each child may have only one parent) | |||
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hierarchical database : 3 phrases in 2 subjects |
| Business | 2 |
| Computers | 1 |