Answer : Linear and modular scalability…
Ernst & Young interview questions and answers
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Answer : Hive is a datawarehousing package built on the top of Hadoop…
Answer : Hadoop distributed file system (HDFS) uses a specific permissions…
Answer : NFS (Network File System) is one of the oldest and popular…
Answer : Volume represents the volume i.e. amount of data that is growing…
Answer : Big data analytics is the process of examining large data…
Answer : NameNode is the master node for processing metadata information…
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.
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:It is used for semi structured data. ,Hive is query engine,HBase is a data storage particularly for unstructured data.