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Un-Answered Questions { Hadoop }
Which command is used to SHOW PARTITIONS lists in HCatalog?
Explain HCatReader?
What is the role of data transfer API in HCatalog?
State syntax of the command that is used to drop a partition?
Explain HCatInputFormat?
What are the main classes of Data Transfer API?
Explain Creating an Index?
What is the no. Of threads created by impala?
What is impala’s aggregation strategy?
What does impala do for fast access?
How is impala metadata managed?
What size is recommended for each node?
What impala use for authentication?
Can impala do user-defined functions (udfs)?
What is used to store data generally?
