 |
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| ιεραρχική βάση δεδομένων | |||
| 英语 词库 | |||
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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) | |||
|
| |||
| ιεραρχική βάση δεδομένων | |||
| 英语 词库 | |||
| |||
| 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) | |||
