Impala is a SQL database engine that uses MPP (Massive Parallel Processing) to process large amounts of data contained in a Hadoop cluster. It’s a
Category: Cloudera Impala
Complex Data Types – ARRAY within MAP
Please click here for “ARRAY in MAP” The data is available in a number of formats, volumes, and types. It may be well-organized, partially-organized, or
Complex Data Types – ARRAY within STRUCT
This is one of the articles that required a significant amount of time and effort to complete. Once an idea was formed, I went to
Complex Data Types – STRUCT within ARRAY -2
Related to the previous post, the following is another example of complex data types being used within another complex data type. We’ll deal with STRUCT
Complex Data Types – STRUCT within ARRAY -1
We’ve learned how to deal with each complex datatype separately so far, and we’ve even looked into the possibilities of including all complex data types
Miscellaneous Functions in Apache Hive & Apache Impala
There are some miscellaneous functions available in the Apache Hive that helps in identifying the current user, logged in user, the version of the application,
Big Data & SQL 