| |||
| hierarkkinen tietokanta | |||
| 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) | |||
| |||
| hierarkkinen tietokanta | |||
| 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) | |||
