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DBMS > eXtremeDB vs. JSqlDb vs. OpenTSDB vs. Oracle Rdb

System Properties Comparison eXtremeDB vs. JSqlDb vs. OpenTSDB vs. Oracle Rdb

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Editorial information provided by DB-Engines
NameeXtremeDB  Xexclude from comparisonJSqlDb  Xexclude from comparisonOpenTSDB  Xexclude from comparisonOracle Rdb  Xexclude from comparison
JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
DescriptionNatively in-memory DBMS with options for persistency, high-availability and clusteringJavaScript Query Language Database, stores JavaScript objects and primitivesScalable Time Series DBMS based on HBase
Primary database modelRelational DBMS
Time Series DBMS
Document store
Object oriented DBMS
Time Series DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.80
Rank#214  Overall
#99  Relational DBMS
#18  Time Series DBMS
Score1.68
Rank#142  Overall
#12  Time Series DBMS
Score1.14
Rank#178  Overall
#80  Relational DBMS
Websitewww.mcobject.comjsqldb.org (offline)opentsdb.netwww.oracle.com/­database/­technologies/­related/­rdb.html
Technical documentationwww.mcobject.com/­docs/­extremedb.htmopentsdb.net/­docs/­build/­html/­index.htmlwww.oracle.com/­database/­technologies/­related/­rdb-doc.html
DeveloperMcObjectKonrad von Backstromcurrently maintained by Yahoo and other contributorsOracle, originally developed by Digital Equipment Corporation (DEC)
Initial release2001201820111984
Current release8.2, 20210.8, December 20187.4.1.1, 2021
License infoCommercial or Open SourcecommercialOpen SourceOpen Source infoLGPLcommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC and C++Java
Server operating systemsAIX
HP-UX
Linux
macOS
Solaris
Windows
Linux
macOS
Windows
Linux
Windows
HP Open VMS
Data schemeyesschema-freeschema-freeFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateyesnonumeric data for metrics, strings for tagsyes
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 infosupport of XML interfaces availablenonono
Secondary indexesyesnonoyes
SQL infoSupport of SQLyes infowith the option: eXtremeSQLnonoyes
APIs and other access methods.NET Client API
JDBC
JNI
ODBC
Proprietary protocol
RESTful HTTP API
HTTP API
Telnet API
Supported programming languages.Net
C
C#
C++
Java
Lua
Python
Scala
JavaScriptErlang
Go
Java
Python
R
Ruby
Server-side scripts infoStored proceduresyesfunctions in JavaScriptno
Triggersyes infoby defining eventsnono
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning / shardingnoneSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesActive Replication Fabric™ for IoT
Multi-source replication infoby means of eXtremeDB Cluster option
Source-replica replication infoby means of eXtremeDB High Availability option
noneselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency infobased on HBaseImmediate Consistency
Foreign keys infoReferential integrityyesnonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoyes, on a single node
Concurrency infoSupport for concurrent manipulation of datayes infoOptimistic (MVCC) and pessimistic (locking) strategies availableyesyes
Durability infoSupport for making data persistentyesyes infousing RocksDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnono
User concepts infoAccess controlno
More information provided by the system vendor
eXtremeDBJSqlDbOpenTSDBOracle Rdb
Specific characteristicseXtremeDB is an in-memory and/or persistent database system that offers an ultra-small...
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Competitive advantageseXtremeDB databases can be modeled relationally or as objects and can utilize SQL...
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Typical application scenariosIoT application across all markets: Industrial Control, Netcom, Telecom, Defense,...
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Key customersSchneider Electronics, F5 Networks, TNS, Boeing, Northrop Grumman, GoPro, ViaSat,...
» more
Market metricsWith hundreds of customers and over 30 million devices/applications using the product...
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Licensing and pricing modelsFor server use cases, there is a simple per-server license irrespective of the number...
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eXtremeDBJSqlDbOpenTSDBOracle Rdb
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