If you are migrating from traditional database to Cloudera Impala then you might have noticed there is not sequence number function. In the process of Cloudera Impala Generate Sequence Numbers without UDF, you can use analytical function that are available in Cloudera Impala. If you want generate sequential sequences that automatically keep in sync with your table sequence number, you can do so with the help of Cloudera impala supported ROW_NUMBER analytical function. Related reading: Impala Conditional Functions An Introduction to Cloudera Hadoop Impala Architecture Commonly used Impala shell Command…