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关联维表的三种基础方式:

  • 实时数据库查询关联 [ 流批关联 ]
    • 同步数据库查询关联
    • 异步数据库查询关联
    • 带缓存的数据库查询关联
  • 预加载维表关联 [ 流批关联 ]
    • 启动时预加载维表(每个并行全量加载)
    • 启动时预加载分区维表(每个并行各加载部分)
  • 维表变更日志关联 [ 流流关联 ]

参考

  1. Flink 中文社区:https://flink-learning.org.cn/article/detail/b8df32fbc6542257a5b449114e137cc3?spm=a2csy.flink.0.0.49493bdcLZAWkq

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Flink维表预加载方案

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