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DBMS > CrateDB

CrateDB System Properties

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Editorial information provided by DB-Engines
NameCrateDB
DescriptionDistributed Date Store based on Lucene
Primary database modelRelational DBMS
Search engine
Additional database modelsDocument store
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.78
Rank#138  Overall
#72  Relational DBMS
#10  Search engines
Websitecrate.io
Technical documentationcrate.io/­docs
DeveloperCrate
Initial release2013
License infoCommercial or Open SourceOpen Source
Cloud-based infoOnly available as a cloud serviceno
Implementation languageJava
Server operating systemsAll OS with a Java 7 VM
Data schemeFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.no
Secondary indexesyes
SQL infoSupport of (almost entire) SQL standard (DML, DDL and DCL statements)no infoalthough not supporting all SQL-standard features, it provides an SQL implementation that is familiar to anyone knowing standard SQL
APIs and other access methodsPostgreSQL wire protocol
RESTful HTTP API
ADO.NET infocommunity maintained client
JDBC
Supported programming languagesErlang
Go infocommunity maintained client
Java
JavaScript (Node.js) infocommunity maintained client
Perl infocommunity maintained client
PHP
Python
Ruby infocommunity maintained client
Scala infocommunity maintained client
Server-side scripts infoStored proceduresuser defined functions
Triggersno
Partitioning methods infoMethods for storing different data on different nodesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infounique row identifiers can be used for implementing an optimistic concurrency control strategy
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlrights management via user accounts

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More resources
CrateDB
Recent citations in the news

Crate.io Named a “Cloud Enabler” in Microsoft 2017 Growth Accelerator
7 September 2017, Business Wire (press release)

CrateDB 2.0 Enterprise stresses security and monitoring—and open source
16 May 2017, InfoWorld

Crate.io unboxes clustered SQL CrateDB, decamps to California
14 December 2016, The Register

CrateDB packs NoSQL flexibility, SQL familiarity
19 December 2016, InfoWorld

Clickdrive Using CrateDB for IoT-Enabled Vehicle Tracking and Predictive Maintenance
4 April 2017, Business Wire (press release)

provided by Google News

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