16 Repos
Systems that execute queries across multiple disparate data sources without requiring data migration or duplication.
Distinguishing note: Focuses on the federated query execution capability, distinct from centralized data warehousing.
Explore 16 awesome GitHub repositories matching data & databases · Federated Data Query Engines. Refine with filters or upvote what's useful.
MindsDB is an AI-native database engine that treats machine learning models and autonomous agents as virtual tables. By mapping external data sources, predictive models, and third-party services directly into the database schema, it enables users to perform inference, data retrieval, and complex orchestration using standard SQL syntax. The platform distinguishes itself through an autonomous agent orchestrator that executes iterative reasoning loops, allowing agents to plan data access and synthesize natural language responses from connected knowledge bases. It functions as a federated data ga
Querying and joining data across disparate external sources and services without moving or duplicating the underlying data.
Presto is a distributed SQL query engine designed for high-performance analytical processing across heterogeneous data sources. It functions as a data federation platform and massively parallel processing engine, allowing users to execute interactive queries against diverse storage systems without requiring data migration. By mapping remote metadata and structures to a unified relational namespace, it enables seamless cross-platform analysis through a standard SQL interface. The engine distinguishes itself through a pluggable connector architecture and a shared-nothing distributed processing
Integrates and joins data from diverse storage systems without requiring data migration to a central repository.
Doris is a distributed SQL data warehouse designed for high-performance analytical workloads and real-time data processing. It functions as a unified platform that integrates traditional relational warehousing with lakehouse query capabilities, allowing users to execute analytical operations directly against external data lakes without requiring data migration. The system distinguishes itself through a shared-nothing, massively parallel processing architecture that utilizes vectorized query execution and columnar storage to maintain sub-second latency. It supports dynamic schema evolution, en
Executes federated analytical queries directly against external data lake storage without requiring data migration.
Trino is a distributed SQL query engine designed for large-scale data analytics. It functions as a data federation platform, providing a unified interface that allows users to execute complex analytical queries across multiple heterogeneous data sources simultaneously without requiring data movement or transformation. The engine utilizes a massively parallel processing architecture to scale compute resources across clusters for high-speed data retrieval. It distinguishes itself through a cost-based query optimizer that analyzes metadata to determine efficient execution plans, alongside dynami
Enables federated querying across multiple disparate data sources without requiring data movement or transformation.
StarRocks is a distributed SQL OLAP database engine designed for real-time analytics and high-performance multi-dimensional analysis. It functions as a data lakehouse query engine that enables SQL execution across large datasets and external open table formats without requiring local data imports. The system employs a shared-nothing distributed architecture and utilizes the MySQL protocol to integrate with business intelligence tools. It maintains real-time data consistency through a primary key upsert model and accelerates query response times using vectorized execution and cost-based optimi
Functions as a federated query engine that accesses remote lakehouse storage formats without requiring local data imports.
RisingWave is a cloud-native streaming database and real-time analytics engine that uses standard SQL to process continuous data streams. It functions as a streaming data lakehouse, combining the capabilities of a streaming SQL database with a platform that integrates streaming ingestion with open table formats. The system is distinguished by its use of the PostgreSQL wire protocol, allowing it to integrate with existing SQL tools and drivers. It employs a decoupled compute and storage architecture, persisting streaming state and materialized views in cloud object storage to enable independen
Streams data into open table formats with exactly-once delivery, automated compaction, and snapshot management.
JimuReport is an open-source reporting and dashboard engine designed to be embedded directly into Spring Boot applications. Its core identity centers on generating data reports and full-screen dashboards from natural language descriptions, eliminating the need for manual design. The platform also provides a conversational query interface that translates plain-language questions into database queries, returning results as tables and charts without requiring SQL knowledge. What distinguishes JimuReport is its integration of AI skills that can be installed with a single command, enabling report
Queries over 30 database types and imports Excel, CSV, and JSON files through a unified connection manager.
Lance is a versioned columnar data format and storage engine designed as a multimodal AI lakehouse. It serves as a vector database storage engine and a cloud object store dataset manager, organizing images, video, audio, and embeddings into a unified format optimized for machine learning workflows. The project distinguishes itself by combining a columnar layout for structured data with a specialized blob store for large multimodal tensors. It implements a hybrid search engine that integrates vector similarity search, full-text search, and SQL analytics on a single dataset, supported by a stor
Tracks dataset changes via ACID transactions, supporting time travel, branching, and tagging for reproducible AI experiments.
Hazelcast is a distributed data platform that combines an in-memory data grid with a stream processing engine to support real-time analytics and event-driven applications. It functions as a partitioned, distributed key-value store that replicates data across cluster nodes to provide low-latency access and high availability. The platform also serves as a distributed SQL query engine, allowing users to execute standard SQL statements against both in-memory datasets and external data sources. What distinguishes Hazelcast is its use of a distributed consensus subsystem to maintain strongly consis
Retrieves and joins information from multiple disparate datasets within a single request.
Pinot is a distributed, columnar analytical database designed for high-concurrency, low-latency query processing. It functions as a real-time OLAP datastore, enabling interactive, user-facing analytics by ingesting and querying massive datasets from both streaming and batch sources. The system architecture relies on a centralized controller for cluster coordination and a distributed segment-based storage model to ensure horizontal scalability. The platform distinguishes itself through a hybrid ingestion pipeline that unifies real-time event streams and historical batch data into a single quer
Queries both real-time and offline data sources simultaneously and merges the results to ensure a complete and accurate view.
Apache Hive is a SQL-on-Hadoop data warehouse that enables querying and managing petabytes of data stored in distributed storage such as HDFS and cloud storage services. It provides a familiar SQL interface for batch analytics and reporting, supported by a core set of components including the HiveServer2 Thrift service for remote query execution, the Hive Metastore Service for central metadata management, the Hive ACID Transaction Engine for concurrent read-write operations, and the Hive LLAP Interactive Engine for low-latency analytical processing. The WebHCat REST API offers an HTTP interfac
Links Hive to remote databases via data connectors for federated query execution across disparate sources.
dlt ist ein Python-Tool zur Datenaufnahme und ein ETL-Pipeline-Framework, das darauf ausgelegt ist, Daten aus verschiedenen Quellen abzurufen und in strukturierten Zielen zu speichern. Es fungiert als Schema-Inferenz-Engine, die automatisch Datentypen erkennt und verschachtelte JSON-Strukturen in relationale Tabellen flacht, wobei Daten von Quellen in Lakehouses, Warehouses oder Vektordatenbanken verschoben werden. Das Projekt zeichnet sich durch KI-gestützte Pipeline-Generierung aus, die Large Language Models nutzt, um Extraktionscode und Konnektoren für REST-APIs zu erstellen. Es unterstützt zudem multimodale Vektorspeicherung und die spezialisierte Befüllung von Vektordatenbanken zur Unterstützung von KI- und Machine-Learning-Anwendungen. Das Framework deckt ein breites Spektrum an Funktionen ab, einschließlich automatisierter Schema-Evolution, inkrementellem Datenladen mittels Statusverfolgung und Datenqualitätsvalidierung durch die Durchsetzung von Datenverträgen. Es bietet Tools für relationale Datennormalisierung, Pre- und Post-Load-Transformationen sowie eine Vielzahl von Ziel-Adaptern für SQL-Datenbanken und Cloud-Objektspeicher. Die Observability wird durch Pipeline-Ausführungs-Dashboards, Spalten-Lineage-Tracking und Schema-Versionsverifizierung mittels inhaltsbasierter Hashes gehandhabt.
Provides specialized ingestion workflows to persist data into lakehouse architectures like Delta Lake or Iceberg.
lakeFS ist ein Data-Lake-Versionierungssystem, das Git-ähnliche Branching- und Commit-Funktionen für große Datensätze in Objektspeichern bietet. Es fungiert als Versionskontrollschicht und ermöglicht die Erstellung unveränderlicher Snapshots, atomarer Commits und Zero-Copy-Branching, um isolierte Umgebungen für Datenexperimente zu schaffen, ohne physische Dateien zu duplizieren. Das System dient als S3-kompatibles Storage-Gateway und Iceberg-REST-Katalog, wodurch Standard-Cloud-Storage-Protokolle und kompatible Clients versionierte Tabellen verwalten können. Es fungiert als Data-Quality-Gatekeeper, indem es ein eventgesteuertes Hook-System nutzt, um Datensätze gegen Governance-Richtlinien zu validieren, bevor Änderungen in die Produktion gemergt werden. Die Plattform deckt umfassende Funktionen für Data-Governance ab, einschließlich Pull-Request-Kollaboration, rollenbasierter Zugriffskontrolle und Data-Lineage-Tracking. Sie bietet Integrationen für Workflow-Orchestrierung, Machine-Learning-Pipelines und verschiedene Big-Data-Compute-Engines und unterstützt Multi-Cloud-Storage-Konnektivität sowie Identitätssynchronisation via SSO und SCIM. Die Software kann mittels Binärdateien, Containern oder Helm-Charts für die Bereitstellung auf Kubernetes installiert werden.
Executes SQL queries against data lake tables via catalog federation without copying data.
Calcite ist ein Framework zum Parsen, Optimieren und Übersetzen von SQL-Abfragen in relationale Algebra für die Ausführung über verschiedene Datenquellen hinweg. Es fungiert als Cross-Source-Query-Engine, SQL-Parsing-Bibliothek und Optimierer für relationale Algebra. Das Projekt bietet eine kostenbasierte Optimierungs-Engine, die logische Abfragepläne mittels pluggbarer Regeln in effiziente physische Ausführungspläne umwandelt. Es nutzt Übersetzungsadapter, um Standard-SQL-Anfragen in die nativen Formate externer Datenbanken und Messaging-Systeme zu konvertieren, was Datenföderation über heterogene Speichersysteme hinweg ermöglicht. Das System deckt den gesamten Abfrage-Lebenszyklus ab, einschließlich SQL-Parsing und Validierung gegen Schemata, die Übersetzung von Ausdrücken in algebraische Operatoren sowie die Auswahl effizienter Ausführungspläne. Es enthält zudem ein Command-Line-Interface zum Ausführen von Abfragen und Verwalten von Verbindungen zu Datenquellen.
Provides a federated query engine that translates relational operators into native backend formats to query diverse storage systems.
YDB ist eine verteilte SQL-Datenbank und analytische Engine, die auf horizontale Skalierbarkeit und starke Konsistenz ausgelegt ist. Sie fungiert als Multi-Model-System, das transaktionale und analytische Workloads durch eine verteilte Architektur unterstützt, die serialisierbare ACID-Transaktionen bietet. Das System zeichnet sich durch seine breite Protokollkompatibilität aus und implementiert das PostgreSQL-Wire-Protokoll für Standard-SQL-Treiber sowie das Kafka-Protokoll für Messaging und Streaming. Es dient zudem als Vektordatenbank und unterstützt Vektorindizes sowie die Suche nach ungefähren nächsten Nachbarn (Approximate Nearest Neighbor) für semantische Suche und Embeddings. Die Plattform verwaltet Daten unter Verwendung eines hybriden Speichermodells mit zeilen- und spaltenorientierten Formaten und nutzt vektorisierte Abfrageausführung für Analysen im Petabyte-Maßstab. Ihr operativer Bereich umfasst Change-Data-Capture-Streaming, persistente Queues mit Exactly-Once-Garantie und Multi-Zone-Hochverfügbarkeit. Deployment und Lebenszyklusmanagement werden durch einen Kubernetes-Operator und Infrastructure-as-Code-Provisioning unterstützt.
Executes federated queries to retrieve and process data from multiple external sources without migration.
Gravitino is a federated metadata lake and unified data catalog designed to manage tables, files, and AI models across diverse data sources and cloud storage. It serves as a centralized interface for governing schemas, access controls, and tagging across relational databases, messaging queues, and object stores. The project distinguishes itself by unifying the management of AI assets, such as machine learning models and their version lineages, alongside traditional tabular data. It also implements the Iceberg REST specification to provide a standardized metadata server and proxy for lakehouse
Accesses data across multiple catalogs through a unified interface with consistent access control.