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++ |
