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What are the differences between relational databases and impala?
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Answer / Suraj Dubey
Relational databases typically provide ACID compliance, complex data modeling with normalized schema, and transaction support. Impala, on the other hand, is designed for SQL-like querying of large datasets stored in Hadoop Distributed File System (HDFS). It does not provide ACID compliance or complex data modeling features.
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Are results returned as they become available, or all at once when a query completes?
What load do concurrent queries produce on the namenode?
What are impala architecture components?
What size is recommended for each node?
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?
Where can I find impala documentation?
What are impala built-in functions?
How are joins performed in impala?
Describe impala shell (impala-shell command)?
What is used to store data generally?
Does cloudera offer a vm for demonstrating impala?
What are the main features of impala?
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