Answer:A UDF has input and output. Here is the different ways you can specify the output format of a Python UDF through use of the outputSchema decorator.
pig interview questions for experienced
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Answer:Pig does not have a dedicated metadata database. Hive makes use of the exact variation of dedicated SQL-DDL language by defining tables beforehand. 14. It supports Avro file format.
Answer:Pig Hadoop Component is generally
used by Researchers and Programmers. Hive Hadoop Component is mainly used by data analysts.
Answer:Apache Pig is a high-level,Apache Hive is a data warehouse
software project,Open-source software framework
Answer:For readability GROUP is used Cogroup used as a statements
Answer:HBASE will not replace Map Reduce. It is scalable distributed database….
Answer:User can perform all the data manipulation operations in Hadoop using Apache Pig
Answer:Pig programming language is used for obtaining and manipulating data perhaps doing otherwise with UDFs…..
Answer:The FOREACH operator is used to generate specified data transformations based on the column data.
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