(This set of video tutorials combines theory and practice, starting with the basic use of Flink CDC, explaining the two usage modes of DataStream and FlinkSQL, and explaining in detail how to customize the deserializer. More users inspected Flink's latest Flink CDC 2.0. Based on the technical pain points of 1.x, 2.0 provides a more optimized solution. The tutorial combines an in-depth analysis of the source code and its core principles.)