Databases with Parquet Storage Format · Database of Databases


CedarDB OLAP Forked Code OLTP	2023	Relational, Array / Matrix	Parquet	OLAP Forked Code OLTP
Databend AI-Assisted	2020	Relational	Parquet, Arrow	AI-Assisted
DataFusion Query Engine AI-Assisted	2016	Relational	Arrow, Parquet	Query Engine AI-Assisted
Delta Lake AI-Assisted	2019	Column Family / Wide-Column	Parquet	AI-Assisted
DuckDB OLAP AI-Assisted	2018	Relational	Parquet, Arrow	OLAP AI-Assisted
Floe OLAP Forked Code Data Lake	2025	Relational	Parquet, Iceberg	OLAP Forked Code Data Lake
FrostDB Time-Series	2022	Column Family / Wide-Column	Arrow, Parquet	Time-Series
Gaffer Abandoned	2016	Entity-Relationship	Parquet	Abandoned
GeoSpock DB Failed Company	2013	Relational	Parquet	Failed Company
GlareDB Abandoned Middleware AI-Assisted	2022	Relational	Parquet	Abandoned Middleware AI-Assisted
GreptimeDB Time-Series AI-Assisted	2022	Relational	Arrow, Parquet	Time-Series AI-Assisted
Hadapt OLAP Acquired Company Middleware	2009	Relational	Avro, Parquet	OLAP Acquired Company Middleware
Hadoop OLAP AI-Assisted	2006	—	SequenceFile, CSV, Parquet, ORC, Avro	OLAP AI-Assisted
Impala OLAP AI-Assisted	2013	Relational	Hudi, SequenceFile, Parquet, ORC, RCFile, Avro	OLAP AI-Assisted
Infino Query Engine Nearest Neighbor MMAP	—	Relational	Parquet	Query Engine Nearest Neighbor MMAP
lakeql Query Engine AI-Assisted	2026	Relational	Parquet	Query Engine AI-Assisted
MotherDuck Hosting Service	2022	Relational	Parquet, Arrow	Hosting Service
NamiDB NoSQL	2026	Graph	Parquet	NoSQL
Neug AI-Assisted	2026	Graph	Parquet	AI-Assisted
Ocient	2016	Relational	Parquet, Avro
OctoSQL Query Engine Abandoned	2019	Relational	Parquet, TSV, JSON, CSV	Query Engine Abandoned
PancakeDB	2021	—	Parquet
PuffinDB Serverless Abandoned	2023	Relational	Parquet, Iceberg	Serverless Abandoned
Seafowl OLAP Acquired Company Abandoned	2022	Relational	Parquet, Arrow	OLAP Acquired Company Abandoned
Skyrise OLAP Serverless Query Engine Abandoned	2019	Relational	Parquet, ORC, CSV	OLAP Serverless Query Engine Abandoned
SlothDB	2026	Relational	Arrow, Avro, CSV, Parquet
SwellDB	2025	Relational	CSV, Parquet
Tajo OLAP Abandoned	2012	Relational	Parquet, ORC, SequenceFile	OLAP Abandoned
Theseus OLAP Failed Company	2022	Relational	Arrow, Parquet	OLAP Failed Company
Tonbo OLTP AI-Assisted	2024	Key-Value	Arrow, Parquet	OLTP AI-Assisted
Umbra OLAP OLTP	2018	Array / Matrix, Relational	Parquet	OLAP OLTP
Venice AI-Assisted	2014	Document / XML	Parquet, Avro	AI-Assisted
Yellowbrick OLAP	2014	Relational	Parquet	OLAP