Query for different databases
MySQL is an open-source relational database management system (RDBMS).
- sakila : Link This document describes Sakila sample database installation, structure, usage, and history.
Lightning-fast, distributed SQL queries for petabytes of data stored in Apache Hadoop clusters.
Impala is a modern, massively-distributed, massively-parallel, C++ query engine that lets you analyze, transform and combine data from a variety of data sources:
- fly : This database has four tables that contain real-world data collected by the United States Department of Transportation.