Use case

Databases for Analytics (OLAP)

Large scans and aggregations over historical data for BI and reporting. The leading options are Snowflake, ClickHouse and Google BigQuery.

85 active · ordered by fit for this category, then WhichDB Score

SnowflakeColumnar / OLAPmanaged

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

74.4
ClickHouseColumnar / OLAPopen source

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

69.8
Google BigQueryColumnar / OLAPmanaged

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

65.3
DuckDBColumnar / OLAPopen source

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

63.7
Amazon RedshiftColumnar / OLAPmanaged

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

55.8
MotherDuckColumnar / OLAPmanaged

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

37.7
Apache DruidColumnar / OLAPopen source

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

35.0
VerticaColumnar / OLAP

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

33.1
Apache DataFusionColumnar / OLAPopen source

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

31.6
Azure Data ExplorerColumnar / OLAPmanaged

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

31.2
ExasolColumnar / OLAP

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

31.0
Apache PinotColumnar / OLAPopen source

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

29.9
MonetDBColumnar / OLAPopen source

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

24.2
chDBColumnar / OLAPopen source

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

21.1
Databricks SQLColumnar / OLAPmanaged

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

20.8
Apache KuduColumnar / OLAPopen source

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

18.6
Apache KylinColumnar / OLAPopen source

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

16.9
Apache DorisColumnar / OLAPopen source

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

15.9
StarRocksColumnar / OLAPopen source

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

15.6
DatabendColumnar / OLAPopen source

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

15.4
HEAVY.AI (HeavyDB)Columnar / OLAPopen source

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

14.3
TinybirdColumnar / OLAP

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

12.6
SAP IQColumnar / OLAP

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

11.9
pg_mooncakeColumnar / OLAPopen source

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

11.2
FireboltColumnar / OLAP

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

7.8
Azure Synapse AnalyticsColumnar / OLAPmanaged

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

7.4
Microsoft Fabric Data WarehouseColumnar / OLAPmanaged

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

6.7
KineticaColumnar / OLAP

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

6.4
InfobrightColumnar / OLAP

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

4.4
YellowbrickColumnar / OLAP

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

4.1
OcientColumnar / OLAP

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

3.8
Actian Analytics Engine (Vector)Columnar / OLAP

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

3.7
ActivePivotColumnar / OLAP

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

3.4
VeloDBColumnar / OLAPmanaged

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

2.3
LocustDBColumnar / OLAPopen source

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

2.1
HydrolixColumnar / OLAP

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

0.2
InMemory.NetColumnar / OLAP

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

0.2
1010dataColumnar / OLAPmanaged

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

0.0
IBM Db2 WarehouseColumnar / OLAP

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

0.0
Apache Spark SQLRelationalopen source

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

50.3
TrinoRelationalopen source

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

49.9
PostGISSpatialopen source

The standard spatial extension for PostgreSQL: geometry, geography, rasters and topology in SQL.

47.5
IBM Db2Relational

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

45.5
SAP HANARelational

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

39.7
Teradata VantageRelational

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

38.5
PrestoRelationalopen source

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

37.7
Apache HiveRelationalopen source

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

30.1
Apache ImpalaRelationalopen source

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

29.0
YDBRelationalopen source

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

27.4
GreenplumRelational

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

20.7
AlaSQLRelationalopen source

Pure-JavaScript in-memory SQL engine for browsers and Node.js that queries arrays, JSON, CSV and Excel files.

20.2
Amazon AthenaRelationalmanaged

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

19.5
OpenLink VirtuosoRDF / Triple Storeopen source

Hybrid SQL/RDF engine that runs many of the largest public SPARQL endpoints.

19.5
QLeverRDF / Triple Storeopen source

Fast open-source SPARQL engine that serves all of Wikidata or OpenStreetMap from one machine.

17.9
Actian IngresRelational

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

16.8
pg_lakeRelationalopen source

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

15.2
IBM NetezzaRelational

IBM's FPGA-accelerated MPP warehouse, now offered as NPS on-prem, in Cloud Pak and as a service.

15.1
pg_duckdbRelationalopen source

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

14.9
SailRelationalopen source

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

14.5
EssbaseArray / Scientific

Oracle's multidimensional OLAP cube server, the long-time engine behind financial planning and reporting.

13.0
DremioRelational

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

12.7
MondrianRelational

Java ROLAP engine that answers MDX queries by generating SQL against your relational warehouse.

12.4
EndecaSearch Engine

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

11.0
e6dataRelationalmanaged

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

7.4
Apache CloudberryRelationalopen source

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

6.8
Dameng (DM)Relational

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

6.7
MatrixOneRelationalopen source

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

6.1
GenomicsDBArray / Scientificopen source

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

4.2
rasdamanArray / Scientificopen source

Array database for massive multidimensional rasters, with SQL-style queries and OGC WCPS services.

3.9
SequoiaDBDocumentopen source

Chinese distributed document database with native ACID storage, SQL instances and S3 API, used in many banks.

3.2
BaikalDBRelationalopen source

Baidu's MySQL-compatible distributed HTAP database on RocksDB and Raft, with full-text and vector indexes.

2.3
Strozzi NoSQLRelationalopen source

Carlo Strozzi's 1998 shell-based relational database of plain-text tables and Unix pipe operators.

2.0
AsterixDBDocumentopen source

Apache parallel database for semi-structured JSON data with SQL++, LSM storage and spatial/text indexes.

1.7
CortexDBMultivalue (Pick)

Schema-less multi-model engine from Germany's Cortex AG, now sold as CortexEngine within Cortex-IP.

1.5
Valentina ServerRelational

Paradigma Software's multi-engine server: ValentinaDB, DuckDB and SQLite plus report and form servers.

1.5
AnzoGraphRDF / Triple Store

MPP in-memory RDF graph database for OLAP-style SPARQL analytics, now Altair Graph Lakehouse under Siemens.

1.4
QservRelationalopen source

Distributed shared-nothing SQL database built to serve the Rubin Observatory's petascale sky catalogs.

0.8
MySQL HeatWaveRelationalmanaged

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

0.5
GBaseRelational

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

0.0
StarburstRelational

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

0.0
XtremeData dbXRelational

Parallel, vectorized SQL analytics engine on PostgreSQL roots, once an FPGA appliance, now cloud software.

0.0
Oracle ExadataRelational

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

15.0
ArcticDBTime-Series

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

14.4
TileDBArray / Scientificopen source

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

10.5
PuppyGraphGraph

Zero-ETL graph query engine that runs Cypher and Gremlin directly on your lakehouse and SQL tables.

5.6

license legend · Open source (permissive) · Open source (copyleft) · Source-available · Proprietary