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DBMS > Crux

Crux System Properties

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Editorial information provided by DB-Engines
NameCrux
DescriptionCrux is a general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.02
Rank#332  Overall
#44  Document stores
Websitegithub.com/­juxt/­crux
opencrux.com
Technical documentationopencrux.com/­reference/­installation.html
DeveloperJuxt Ltd.
Initial release2019
Current release1.12.1, September 2020
License infoCommercial or Open SourceOpen Source infoMIT License
Cloud-based only infoOnly available as a cloud serviceno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageClojure
Server operating systemsAll OS with a Java 8 (and higher) VM
Linux
Data schemeschema-free
Typing infopredefined data types such as float or dateyes, extensible-data-notation format
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 SQLlimited SQL, making use of Apache Calcite
APIs and other access methodsHTTP REST
JDBC
Supported programming languagesClojure
Java
Server-side scripts infoStored proceduresno
Triggersno
Partitioning methods infoMethods for storing different data on different nodesnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB

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