What is the purpose of @outputSchema decorator in Python UDF when using in Apache Pig ?
Answer:A UDF has input and output. Here is the different ways you can specify the output format of a Python UDF through use...
What is the main difference between pig vs hive vs sql ?
Answer:Pig does not have a dedicated metadata database. Hive makes use of the exact variation of dedicated SQL-DDL language...
What is the difference between Pig and Hive ?
Answer:Pig Hadoop Component is generally used by Researchers and Programmers. Hive Hadoop Component is mainly used by data...
What is the difference between Pig,Hive and Hadoop ?
Answer:Apache Pig is a high-level,Apache Hive is a data warehouse software project,Open-source software framework
What is the difference between group and cogroup in Pig Latin ?
Answer:For readability GROUP is used Cogroup used as a statements
What is the best tool to process web streaming data in Hadoop,PIG or HIVE ?
Answer:It contains easy programming
What is default numbers of reducers while executing a pig query ?
Answer:Where XXX is the number of reducer.
What is workflow when using Pig & R ?
Answer:Pig programming language is used for obtaining and manipulating data perhaps doing otherwise with UDFs.....
What is the usage of FOREACH operation in Pig scripts ?
Answer:The FOREACH operator is used to generate specified data transformations based on the column data.
What is the internal architecture of Apache Pig ?
Answer:Pig Latin consist of pig to analyze the data from Hadoop