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DBMS > Blueflood vs. EventStoreDB vs. TerminusDB

System Properties Comparison Blueflood vs. EventStoreDB vs. TerminusDB

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Editorial information provided by DB-Engines
NameBlueflood  Xexclude from comparisonEventStoreDB  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionScalable TimeSeries DBMS based on CassandraIndustrial-strength, open-source database solution built from the ground up for event sourcing.Scalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelTime Series DBMSEvent StoreGraph DBMS
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.13
Rank#346  Overall
#33  Time Series DBMS
Score1.19
Rank#173  Overall
#1  Event Stores
Score0.23
Rank#316  Overall
#27  Graph DBMS
Websiteblueflood.iowww.eventstore.comterminusdb.com
Technical documentationgithub.com/­rax-maas/­blueflood/­wikidevelopers.eventstore.comterminusdb.github.io/­terminusdb/­#
DeveloperRackspaceEvent Store LimitedDataChemist Ltd.
Initial release201320122018
Current release21.2, February 202111.0.0, January 2023
License infoCommercial or Open SourceOpen Source infoApache 2.0Open SourceOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaProlog, Rust
Server operating systemsLinux
OS X
Linux
Windows
Linux
Data schemepredefined schemeyes
Typing infopredefined data types such as float or dateyesyes
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 indexesno
SQL infoSupport of SQLnoSQL-like query language (WOQL)
APIs and other access methodsHTTP RESTOWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languagesJavaScript
Python
Server-side scripts infoStored proceduresnoyes
Triggersnoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandraGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandraJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Foreign keys infoReferential integritynoyes
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 infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlnoRole-based access control

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More resources
BluefloodEventStoreDBTerminusDB infoformer name was DataChemist
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