Managed Tables/Internal tables and External Tables

Managed Tables/Internal tables:      1.     When we create a table in hive, by default Hive will take care of the data      2.     It means that Hive engine...

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FAILED: SemanticException [Error 10294]: Attempt to do update or delete using transaction manager that does not support these operations.

Error: Resolution:         1.     Check if Your table storage format is ORC         2.     Check if...

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Error: Failed with exception Unable to move source hdfs: to destination dfs://hadoop1.dev.com/apps/ FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.MoveTask

Resolution: 1.    Generally Move task will move the files from source location to destination location. If the user doesn’t have access to source path then it will throw above error 2.    First check...

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BIG_DATA: Hadoop History and Overview

Apache™ Hadoop® is a distributed and highly scalable storage framework to process very large data sets across hundreds to thousands of computing nodes that operate in parallel. Hadoop...

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