endatabas | SQL Document Database with Full History
Endatabas is an open source immutable database. We hope you will enjoy building with Endatabas as much as you enjoyed writing your first program. Endatabas is now in Beta. For more information, please contact us at hello@endatabas.com. -- store documents without CREATE TABLE INSERT INTO msgs {text: "Here is some classic material", user: "George", send_at: 2024-02-25T08:30:00Z, media: [{type: "imag
QuestDB | High performance time series database
High performance time series databaseSuperior developer experience with SQL and time series extensions. Speed and reliability to solve ingestion speed bottlenecks. Get QuestDB PerformanceIngest 2M rows/s per nodeUp to 10x faster writes vs InfluxDBDon’t worry about cardinalityColumnar storageData partitioned by timeSIMD-optimized queriesSee Benchmarks Developer experienceOpen source under Apache 2.
Timescale | an open-source time-series SQL database optimized for fast ingest, complex queries and scale.
Timescale is Postgres made powerful3.2M+ Timescale databases power apps across IoT, sensors, AI, dev tools, crypto, and finance—all built on PostgreSQL. We use PostgreSQL for everything; we built our cloud so you can too. Time series, events, and analyticsFor workloads that ingest and query high volumes of data, Timescale queries up to 350x faster, ingests 44% faster, and saves 95% storage over RD
CrateDB – The Enterprise Database for Time Series, Documents, and Vectors
/* Based on device data, this query returns the average * of the battery level for every hour for each device_id */ WITH avg_metrics AS ( SELECT device_id, DATE_BIN('1 hour'::INTERVAL, time, 0) AS period, AVG(battery_level) AS avg_battery_level FROM devices.readings GROUP BY 1, 2 ORDER BY 1, 2 ) SELECT period, t.device_id, manufacturer, avg_battery_level FROM avg_metrics t, devices.info i WHERE t.
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YDB Is Now Available as Open-Source Project
HarperDB | Enterprise Application Platform