Columnar / OLAP databases

Fully managed cloud data warehouse with separate storage and compute, now spanning AI and apps.

Open-source columnar OLAP database known for very fast aggregations over billions of rows.

Google's serverless, pay-per-query data warehouse built on Dremel and Colossus.

In-process columnar SQL database: the SQLite of analytics, running inside your app or notebook.

AWS's MPP columnar data warehouse, available as provisioned RA3 clusters or Serverless.

Serverless cloud data warehouse built on DuckDB, with hybrid local-plus-cloud execution.

Real-time analytics database for sub-second slice-and-dice over streaming event data.

Veteran MPP columnar analytics database from the C-Store lineage, now owned by Rocket Software.

Extensible Rust query engine library on Apache Arrow for building databases and data systems.

Microsoft's Kusto engine: fast KQL analytics over logs, telemetry and time series at petabyte scale.

In-memory MPP columnar analytics database from Germany, tuned for fast BI with little tuning.

Real-time OLAP store from LinkedIn for user-facing analytics at very high query rates.

Pioneering open-source column-store from CWI, still a lean research-grade analytical SQL database.

Embedded, in-process OLAP engine powered by ClickHouse, used mainly from Python.

Serverless SQL warehouses on the Databricks lakehouse, powered by the Photon C++ engine.

Columnar storage engine for fast analytics on fast-changing data, paired with Impala or Spark.

Rust telemetry datalake for logs, metrics and traces on S3, queried with SQL.

OpenTelemetry-native APM and observability platform storing logs, metrics and traces in ClickHouse.

OLAP engine that pre-computes cubes and aggregate indexes for sub-second SQL on huge datasets.

A single C++ binary for streaming SQL, built on ClickHouse's engine with streams and windows.

Real-time MPP analytical database with MySQL compatibility, search indexes and lakehouse access.

MPP OLAP database with a fast vectorized engine, real-time upserts and native lakehouse queries.

Rust-built cloud data warehouse on object storage, open source with a managed Databend Cloud.

GPU-native columnar SQL database with visual analytics, fully open-sourced by NVIDIA in 2026.

Streaming lakehouse table format with LSM-based upserts and changelogs, born in Apache Flink.

Object-storage-backed distributed tracing backend with TraceQL search and trace-derived metrics.

Managed ClickHouse platform that turns SQL pipes into low-latency, versioned HTTP APIs.

Sybase's pioneering columnar warehouse, now SAP IQ and the engine behind HANA Cloud's data lake.

Postgres extension that mirrors tables into Iceberg columnstores for real-time analytics via DuckDB.

Managed event and telemetry store with schema-on-read ingest and the piped APL query language.

Columnar streaming storage for Flink with primary-key tables and tiering into the lakehouse.

Low-latency analytical database with a Postgres-compliant dialect, as cloud service or self-hosted Core.

Azure analytics service combining MPP dedicated SQL pools, serverless SQL and Spark.

T-SQL warehouse in Microsoft Fabric that stores every table as Delta Parquet in OneLake.

GPU- and vector-accelerated database for real-time spatial, time-series and vector analytics.

Compressed columnar analytics engine on a MySQL front end, now sold by IgniteTech as Infobright AI.

PostgreSQL-compatible MPP warehouse that runs on its appliance, any cloud or Kubernetes.

Hyperscale data warehouse on NVMe compute-adjacent storage, rebranded as the OcientAIQ platform.

Actian's vectorized columnar analytics database, born from CWI's X100; renamed Analytics Engine in 2026.

In-memory OLAP aggregation engine for bank risk analytics, renamed Atoti Server by ActiveViam.

Commercial cloud and enterprise distribution of Apache Doris from its core maintainers.

Experimental Rust columnar analytics engine built to scan billions of rows per second on one machine.

Streaming data lake for log-scale event data, with ClickHouse-based SQL over object storage.

Commercial in-memory columnar SQL engine for .NET that speeds up reporting over hundreds of millions of rows.

Hosted columnar analytics platform with a spreadsheet-style interface, owned by SymphonyAI since 2023.

IBM's MPP analytics edition of Db2 with BLU columnar acceleration, as software or SaaS.

Community-led MySQL fork with extra storage engines, built-in Galera and a faster feature cadence.

Purpose-built time-series database, rebuilt in Rust on Arrow, DataFusion and Parquet for version 3.

Spark's SQL and DataFrame engine for large-scale batch, streaming and lakehouse processing.

Fast distributed SQL query engine for federated analytics across lakes and databases.

PostgreSQL extension adding hypertables, columnar compression and continuous aggregates for time series.

IBM's enterprise RDBMS for Linux, UNIX, Windows and z/OS, with BLU columnar and pureScale clustering.

SAP's in-memory columnar HTAP database, the mandatory engine under S/4HANA.

The original MPP data warehouse, now VantageCloud with open table formats and in-database analytics.

Distributed SQL query engine from Meta for interactive queries over data lakes and many sources.

MySQL-compatible distributed SQL with a row store for OLTP and a columnar replica for real-time analytics.

Columnar time-series SQL database built for market data and very high ingest rates.

Column-store time-series engine with the q language, a fixture of capital-markets tick data.

The original SQL-on-Hadoop warehouse, now mostly valued for its Metastore and Iceberg support.

Low-latency MPP SQL engine for Hadoop, Kudu and Iceberg tables, developed largely by Cloudera.

Distributed SQL mixing in-memory rowstore and columnstore for real-time analytics, search and vectors.

Embedded, serverless retrieval database on the Lance columnar format for multimodal AI data.

Open-source distributed SQL from Yandex combining row and column tables, topics and vector search.

Postgres extension that shards tables across nodes for multi-tenant SaaS and real-time analytics.

PostgreSQL-based MPP data warehouse, closed-sourced by Broadcom in 2024 and sold in Tanzu Data.

MongoDB's default storage engine: MVCC B-tree with compression and snapshot isolation.

Single-binary Rust observability platform storing logs, metrics and traces as Parquet on object storage.

Serverless AWS query service running Trino-based SQL directly over data in S3.

Alipay-proven distributed SQL with MySQL (and Oracle, in Enterprise) compatibility, HTAP and vector search.

Log database from the VictoriaMetrics team: schemaless ingestion, LogsQL and low RAM and disk use.

Fast SQL-first search database, forked from Sphinx, with columnar storage and vector KNN.

One of the original relational databases, still sold by Actian for long-lived enterprise systems.

Postgres extensions from Snowflake that read and write Iceberg tables and lake files, executed via DuckDB.

Rust observability database that keeps metrics, logs and traces in one columnar engine on object storage.

Oracle's engineered system for Oracle Database, with smart storage offload for OLTP and analytics.

PostgreSQL extension that embeds DuckDB's vectorized engine for fast analytics and data-lake queries.

Rust-native, Spark Connect-compatible engine for SQL, DataFrame and streaming jobs without the JVM.

Serverless DataFrame database from Man Group: Pandas in, versioned columnar data on S3 out.

Iceberg-native lakehouse query engine with reflections for acceleration, owned by SAP since 2026.

Continuous profiling database that stores CPU and memory profiles over time on object storage.

Activeloop's tensor-native data engine for AI: vectors, multimodal data and versioning on object storage.

Distributed time-series database and scripting platform for quant finance and industrial analytics.

Faceted-search and discovery engine (MDEX) that Oracle bought in 2011; now a frozen Oracle Commerce component.

Embeddable multidimensional array storage engine for dense and sparse data on object storage.

Bitemporal SQL database on object storage that keeps every version of every row.

Lakehouse compute engine that runs SQL on Iceberg, Delta and Hudi in your own cloud account.

Open-source MPP warehouse forked from Greenplum and rebased on a newer PostgreSQL kernel.

Rust cloud-native time-series database with SQL on DataFusion and InfluxDB-style ingestion.

China's leading home-grown RDBMS; DM9 (2026) adds distributed, HTAP and AI features.

Huawei-originated open-source RDBMS forked from PostgreSQL, with in-memory and column engines.

Distributed columnar time-series database, now sold as Quasar, for tick, sensor and industrial data.

CNCF sandbox distributed time-series database from Huawei Cloud, compatible with InfluxQL.

MySQL-compatible cloud-native HTAP database on object storage, with vector search and snapshots.

Alibaba's open-source, MySQL-compatible shared-nothing distributed SQL with Paxos and columnar indexes.

Sparse-array store for genomic variant data, built on TileDB and shipped inside GATK4.

Embedded in-memory and hybrid database for devices, real-time systems and time-series analytics.

Google's Postgres-compatible service with disaggregated storage, a columnar engine and ScaNN vectors.

Alibaba Cloud's shared-storage relational service in MySQL-, PostgreSQL- and Oracle-compatible editions.

Distributed in-memory time-series database with PromQL, ingesting from Kafka and persisting to Cassandra.

Multi-model database for IoT and observability: time series, full-text, vector and key-value on Parquet.

Columnar tick database and array language from Kona's author, with JSON and SQL syntax; open-sourced in 2022.

Downloadable Spanner that runs on your own servers, other clouds or a laptop, with Paxos and auto-sharding.

Oracle's managed MySQL with an in-memory columnar engine for analytics, lakehouse, ML and vector search.

Chinese commercial database family: GBase 8a analytics, 8s transactional cluster, 8c distributed.

Self-driving Oracle Database on Exadata: auto-patching, auto-scaling, and Select AI, on OCI and other clouds.

Commercial Trino platform: self-managed Starburst Enterprise and the Starburst Galaxy SaaS.