This tutorial demonstrates some useful features built into Query view in Apache Druid. Query view lets you run Druid SQL queries and native (JSON-based) queries against ingested data. You can use ...

SQL stands for Structured Query Language. This tutorial will give you a quick start to SQL. It covers most of the topics required for a basic understanding of SQL and to get a feel of how it works.

In this tutorial, we will step through installing PostgreSQL, connecting to the database, loading some data, and running a variety of SQL queries. To cap it all off, we’ll execute a query ...

Due to zero-based counting, indexes 1 and 2 map to the second and third columns in the Player table, which are the handle and the emailAddress. When the code builds and runs, the output is as follows: ...