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DBMS > Hypertable vs. JSqlDb vs. XTDB

System Properties Comparison Hypertable vs. JSqlDb vs. XTDB

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Editorial information provided by DB-Engines
NameHypertable  Xexclude from comparisonJSqlDb  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
Hypertable has stopped its further development with March 2016 and is removed from the DB-Engines ranking.JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
DescriptionAn open source BigTable implementation based on distributed file systems such as HadoopJavaScript Query Language Database, stores JavaScript objects and primitivesA general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelWide column storeDocument store
Object oriented DBMS
Document store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.11
Rank#343  Overall
#46  Document stores
Websitejsqldb.org (offline)github.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationwww.xtdb.com/­docs
DeveloperHypertable Inc.Konrad von BackstromJuxt Ltd.
Initial release200920182019
Current release0.9.8.11, March 20160.8, December 20181.19, September 2021
License infoCommercial or Open SourceOpen Source infoGNU version 3. Commercial license availableOpen SourceOpen Source infoMIT License
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++Clojure
Server operating systemsLinux
OS X
Windows infoan inofficial Windows port is available
Linux
macOS
Windows
All OS with a Java 8 (and higher) VM
Linux
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or datenonoyes, 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.nono
Secondary indexesrestricted infoonly exact value or prefix value scansnoyes
SQL infoSupport of SQLnonolimited SQL, making use of Apache Calcite
APIs and other access methodsC++ API
Thrift
HTTP REST
JDBC
Supported programming languagesC++
Java
Perl
PHP
Python
Ruby
JavaScriptClojure
Java
Server-side scripts infoStored proceduresnofunctions in JavaScriptno
Triggersnonono
Partitioning methods infoMethods for storing different data on different nodesShardingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor on file system levelnoneyes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes infousing RocksDByes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
User concepts infoAccess controlno

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More resources
HypertableJSqlDbXTDB infoformerly named Crux
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