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他们还需要掌握数据库的概念或具有DBA的经验,以便在设计解决方案时能够理解源和目标数据库之间的蕴涵关系。
They also need to have knowledge of database concepts or DBA experience in order to understand the implications for the source and target database when designing this solution.
如果数据源是关系数据库,那么就需要写一个复杂得多的服务了。
If the data source is a relational database, a more complex service will need to be written.
对于关系数据源来说,这个集合通常就是数据库。
For relational data sources this collection is usually a database.
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