What is the difference between Impala and Hive?

What is Hive Impala?

Apache Hive is an effective standard for SQL-in-Hadoop. … Impala is an open source SQL query engine developed after Google Dremel. Cloudera Impala is an SQL engine for processing the data stored in HBase and HDFS. Impala uses Hive megastore and can query the Hive tables directly.

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