Analytics Databases

Quick answer

Load collected records into an analytical engine and query aggregates, events or time series. ClickHouse, DuckDB, Apache Druid, QuestDB, Doris and StarRocks belong here. Apache Iceberg, Hudi and Delta Lake instead organize lakehouse tables and are listed under Lakehouse & Table Formats, rather than being counted again as database engines.

StarRocks

Sub-second analytics for enterprise-scale data

Infrastructure · Self-hosted

StarRocks is an open-source analytical database that delivers sub-second query latency for complex joins and aggregations at enterprise scale.

Analytics Databases

Apache Druid

Real-time OLAP database for event-driven data

Infrastructure · Self-hosted

Apache Druid is a real-time OLAP database that delivers sub-second queries on streaming and batch data for analytics at scale.

Analytics Databases

Apache Doris

Real-time analytical database with MySQL syntax

Infrastructure · Self-hosted

Apache Doris is a real-time analytical database with MySQL-compatible syntax for high-concurrency queries over large scraped datasets.

Analytics Databases

QuestDB

Time-series database with ultra-low latency

Infrastructure · Self-hosted

QuestDB is an open-source time-series database delivering ultra-low latency ingestion and queries for scraping metrics and monitoring data.

Analytics Databases

DuckDB

In-process SQL analytics, no server needed

Infrastructure · Self-hosted

DuckDB is an in-process analytical database that lets you query scraped CSV, Parquet, and JSON files with fast SQL, no server required.

Analytics Databases

ClickHouse

Real-time analytics database for petabyte-scale data

Infrastructure · Self-hosted

ClickHouse is a fast, open-source columnar database that runs analytical queries on billions of scraped records in milliseconds.

Analytics Databases

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Frequently asked questions

What is an analytics database?

An analytics database is designed for queries that scan, filter and aggregate datasets to answer analytical questions. Column-oriented systems such as ClickHouse read the columns needed for those queries. Compare that workload with transactional access to a small number of individual rows.

Sources (checked Oct 1, 2026): ClickHouse OLAP and SQL

Is SQL a data analytics tool?

SQL is a query language used to filter, join and aggregate data for analysis. An analytics database executes those queries; visualization and reporting tools can present their results. SQL itself is not a complete reporting application.

Sources (checked Oct 1, 2026): ClickHouse OLAP and SQL

A curated collection of the best columnar and analytical databases optimized for querying and aggregating large scraped datasets.

Quick answer

Frequently asked questions