Data sampling is the best practice to understand the data patterns and trends of large datasets by looking at the smaller portion of the data.
Quoted Identifiers in Column Names – Apache Hive
In SQL, an identifier is a string of alphanumeric and underscore (_) characters surrounded by backtick (`). In Hive, quoted IDs are case-insensitive. For example,
Apache Pig Utility Commands
This post aims to let you know the shell and utility commands that help in various situations. Shell Commands (1) fs: Any FsShell command can
Sorting in Apache Pig
Rearranging the rows returned from a query result set in ascending or descending order is the most commonly utilized function by analysts. Sorting can be
History Command in Apache Pig
This article will show you how to list the history of commands that have been run before in Apache Pig’s grunt. Use the below command
Big Data & SQL 