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| base de données hiérarchique | |||
| base de données de type hiérarchique | |||
| Англійський тезаурус | |||
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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 : 1 фраза в 1 тематиці |
| Комп'ютери | 1 |