Apache Impala Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apache Impala Interview Questions

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What kinds of impala queries or data are best suited for hbase?

Is impala intended to handle real time queries in low-latency applications or is it for ad hoc queries for the purpose of data exploration?

Can I do trforms or add new functionality?

Why does my insert statement fail?

Is impala production ready?

What are the most memory-intensive operations?

What are the main features of impala?

Where can I get sample data to try?

Where can I find impala documentation?

What features from relational databases or hive are not available in impala?

Is hive an impala requirement?

When does impala hold on to or return memory?

Is there an update statement?

Does cloudera offer a vm for demonstrating impala?

How do I try impala out?

Un-Answered Questions { Apache Impala }

Is impala intended to handle real time queries in low-latency applications or is it for ad hoc queries for the purpose of data exploration?

On which hosts does impala run?

What is impala?

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When does impala hold on to or return memory?

Is there a dual table?

Can I do insert … select * into a partitioned table?

How can it help for avoiding costly modeling?

Can I do transforms or add new functionality?

How apache impala works with cdh?

Does impala performance improve as it is deployed to more hosts in a cluster in much the same way that hadoop performance does?

What impala use for authentication?

Is hive an impala requirement?

Why is space not freed up when I issue drop table?

Why does my select statement fail?

How does impala process join queries for large tables?

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