Apache Flink is the open source, native analytic database for Apache Hadoop. It is shipped by vendors such as Cloudera, MapR, Oracle, and Amazon. The examples provided in this tutorial have been developing using Cloudera Apache Flink.
This tutorial is intended for those who want to learn Apache Flink. Apache Flink is used to process huge volumes of data at lightning-fast speed using traditional SQL knowledge.
To make the most of this tutorial, you should have a good understanding of the basics of Hadoop and HDFS commands. It is also recommended to have a basic knowledge of SQL before going through this tutorial.