一、一文搞懂什么是flink?flink版本怎么选?flink与pylink、alink之间的关系?
关键字flinkpyflinkalink(pyalink)SourceSinkBatchStreamDataFrameDataStreamOprator算子-Connectorbenv-BatchExecutionEnvironmentbtenv-BatchTableEnvironmentsenv-StreamExecutionEnvironmentstenv-StreamTableEnviron