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Help us improve CrateDB by taking our User Survey! <https://cratedb.com/user-survey>_
CrateDB is a distributed SQL database that makes it simple to store and analyze massive amounts of data in real-time.
CrateDB offers the benefits_ of an SQL database and the scalability and
flexibility typically associated with NoSQL databases. Modest CrateDB clusters
can ingest tens of thousands of records per second without breaking a
sweat. You can run ad-hoc queries using standard SQL_. CrateDB's blazing-fast
distributed query execution engine parallelizes query workloads across the
whole cluster.
CrateDB is well suited to containerization, can be scaled horizontally
using ephemeral virtual machines (e.g., Kubernetes, AWS, and Azure)
with no shared state. You can deploy and run CrateDB on any sort of network
ā from personal computers to multi-region hybrid clouds and the edge_.
Use standard SQL_ via the PostgreSQL wire protocol_ or an HTTP API_.
Dynamic table schemas and queryable objects provide document-oriented features in addition to the relational features of SQL.
Support for time-series data, real-time full-text search, geospatial data types and search capabilities.
Horizontally scalable, highly available and fault-tolerant clusters that run very well in virtualized and containerized environments.
Extremely fast distributed query execution.
Auto-partitioning, auto-sharding, and auto-replication.
Self-healing and auto-rebalancing.
User-defined functions_ (UDFs) can be used to extend the functionality of CrateDB.
CrateDB provides an Admin UI_:
.. image:: crate-admin.gif :alt: Screenshots of the CrateDB Admin UI
Run CrateDB via the official Docker Image_:
.. code-block:: console
sh$ docker run --publish 4200:4200 --publish 5432:5432 --env CRATE_HEAP_SIZE=1g crate '-Cdiscovery.type=single-node'
Or visit the installation documentation_ to see all the available download and
install options.
Once you're up and running, head over to the introductory docs. To interact
with CrateDB, you can use the Admin UI sql console or the CrateDB shell_
CLI tool. Alternatively, review the list of recommended clients and tools_
that work with CrateDB.
For container-specific documentation, check out the CrateDB on Docker how-to guide_ or the CrateDB on Kubernetes how-to guide_.
This project is primarily maintained by Crate.io_, but we welcome community
contributions!
See the developer docs_ and the contribution docs_ for more information.
The CrateDB team and community take security bugs seriously. We appreciate your
efforts to responsibly disclose_ your findings, and will make every effort to
acknowledge your contributions.
If you think you discovered a security flaw, please follow the guidelines at
SECURITY.md_.
Looking for more help?
Try one of our beginner tutorials, how-to guides, or consult the
reference manual_.
Check out our support channels_.
Crate.io_ also offers CrateDB Cloud, a fully-managed CrateDB Database
as a Service (DBaaS). The CrateDB Cloud Tutorials will get you started.
.. _Admin UI: https://cratedb.com/docs/crate/admin-ui/ .. _AWS: https://cratedb.com/docs/crate/tutorials/en/latest/cloud/aws/index.html .. _Azure: https://cratedb.com/docs/crate/tutorials/en/latest/cloud/azure/index.html .. _beginner tutorials: https://cratedb.com/docs/crate/tutorials/ .. _benefits: https://cratedb.com/product#compare .. _clients and tools: https://cratedb.com/docs/crate/clients-tools/ .. _containerization: https://cratedb.com/docs/crate/tutorials/en/latest/containers/docker.html .. _contribution docs: CONTRIBUTING.rst .. _Crate.io: https://cratedb.com/company/team .. _CrateDB clients and tools: https://cratedb.com/docs/crate/clients-tools/ .. _CrateDB Cloud Tutorials: https://cratedb.com/docs/cloud/ .. _CrateDB Cloud: https://cratedb.com/product/pricing .. _CrateDB on Docker how-to guide: https://cratedb.com/docs/crate/tutorials/en/latest/containers/docker.html .. _CrateDB on Kubernetes how-to guide: https://cratedb.com/docs/crate/tutorials/en/latest/containers/kubernetes/index.html .. _CrateDB shell: https://cratedb.com/docs/crate/crash/ .. _developer docs: devs/docs/index.rst .. Docker image: https://hub.docker.com//crate/ .. _document-oriented: https://en.wikipedia.org/wiki/Document-oriented_database .. _Dynamic table schemas: https://cratedb.com/docs/crate/reference/en/master/general/ddl/column-policy.html .. _fulltext search: https://cratedb.com/docs/crate/reference/en/latest/general/dql/fulltext.html .. _geospatial features: https://cratedb.com/docs/crate/reference/en/master/general/dql/geo.html .. _how-to guides: https://cratedb.com/docs/crate/howtos/ .. _HTTP API: https://cratedb.com/docs/crate/reference/en/latest/interfaces/http.html .. _installation documentation: https://cratedb.com/docs/crate/tutorials/en/latest/basic/index.html .. _introductory docs: https://cratedb.com/docs/crate/tutorials/ .. _Kubernetes: https://cratedb.com/docs/crate/tutorials/en/latest/containers/kubernetes/index.html .. _multi-region hybrid clouds and the edge: https://cratedb.com/docs/cloud/en/latest/tutorials/edge/index.html .. _no shared state: https://en.wikipedia.org/wiki/Shared-nothing_architecture .. _PostgreSQL wire protocol: https://cratedb.com/docs/crate/reference/en/latest/interfaces/postgres.html .. _queryable objects: https://cratedb.com/docs/crate/reference/en/master/general/dql/selects.html#container-data-types .. _reference manual: https://cratedb.com/docs/crate/reference/ .. _relational: https://en.wikipedia.org/wiki/Relational_model .. _responsibly disclose: https://en.wikipedia.org/wiki/Coordinated_vulnerability_disclosure .. _scaled horizontally: https://stackoverflow.com/questions/11707879/difference-between-scaling-horizontally-and-vertically-for-databases .. _SECURITY.md: https://github.com/crate/crate/blob/master/SECURITY.md .. _sql console: https://cratedb.com/docs/crate/admin-ui/en/latest/console.html#sql-console .. _standard SQL: https://cratedb.com/docs/crate/reference/en/latest/sql/index.html .. _support channels: https://cratedb.com/support .. _time-series data: https://cratedb.com/docs/crate/howtos/en/latest/getting-started/normalize-intervals.html .. _user-defined functions: https://cratedb.com/docs/crate/reference/en/latest/general/user-defined-functions.html