ARRAY[expr1, expr2, ...] Constructs a SQL ARRAY literal from the expression arguments, using the type of the first argument as the output array type. ARRAY_LENGTH(arr) Returns length of the array ...

:::info Apache Druid supports two query languages: Druid SQL and native queries. This document describes the SQL language. ::: You can use aggregation functions in the SELECT clause of any Druid SQL ...

Abstract: The success of SQL, NoSQL, and NewSQL databases is a reflection of their ability to provide significant functionality and performance benefits for specific domains, such as financial ...

Abstract: Many programs written to analyze data are expressed in terms of array operations in an imperative programming language with loops. However, for data analysts who need to analyze vast volumes ...