我有如下两个Collection:
(https://img-ask.csdn.net/upload/201603/05/1457164080_172361.png)(https://img-ask.csdn.net/upload/201603/05/1457164068_647425.png)
定义schema如下:
(https://img-ask.csdn.net/upload/201603/05/1457164123_702741.png)
(https://img-ask.csdn.net/upload/201603/05/1457164133_115880.png)
我想在查询表一的时候把第二个表的DEPART_NAME查询出来,他俩的关联字段是DEPART_ID
请问我上边的定义Schema有什么问题吗?