Difference between Impala and Apache Drill

Index Cloudera impala Apache Drill
Description Analytic DBMS for Hadoop Schema-free SQL Query Engine for Hadoop,
NoSQL and Cloud Storage
Primary database modele relational DBMS document store relational DBMS
Developer Cloudera Apache Software Foundation
License open source open source
Server operating systems Linux Linux,OSX, Windows
Data scheme yes schema-free
Secondary indexes yes no
SQL SQL-like DML and DDL statements SQL SELECT statement is SQL:2003 compliant
Supported programming languages All languages supporting JDBC/ODBC C++
cloudera-impala-tutorials
Query planner
ximpala arch

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Cloudera Impala

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