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DBMS > Blueflood vs. DuckDB vs. etcd vs. ObjectBox vs. TerminusDB

System Properties Comparison Blueflood vs. DuckDB vs. etcd vs. ObjectBox vs. TerminusDB

Editorial information provided by DB-Engines
NameBlueflood  Xexclude from comparisonDuckDB  Xexclude from comparisonetcd  Xexclude from comparisonObjectBox  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionScalable TimeSeries DBMS based on CassandraAn embeddable, in-process, column-oriented SQL OLAP RDBMSA distributed reliable key-value storeExtremely fast embedded database for small devices, IoT and MobileScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelTime Series DBMSRelational DBMSKey-value storeObject oriented DBMSGraph DBMS
Secondary database modelsTime Series DBMSDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.06
Rank#353  Overall
#34  Time Series DBMS
Score4.57
Rank#74  Overall
#40  Relational DBMS
Score7.25
Rank#54  Overall
#5  Key-value stores
Score1.20
Rank#170  Overall
#5  Object oriented DBMS
Score0.17
Rank#325  Overall
#29  Graph DBMS
Websiteblueflood.ioduckdb.orgetcd.io
github.com/­etcd-io/­etcd
objectbox.ioterminusdb.com
Technical documentationgithub.com/­rax-maas/­blueflood/­wikiduckdb.org/­docsetcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
docs.objectbox.ioterminusdb.github.io/­terminusdb/­#
DeveloperRackspaceObjectBox LimitedDataChemist Ltd.
Initial release2013201820172018
Current release0.10, February 20243.4, August 201911.0.0, January 2023
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoMIT LicenseOpen Source infoApache Version 2.0Open Source infoApache License 2.0Open Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++GoC and C++Prolog, Rust
Server operating systemsLinux
OS X
server-lessFreeBSD
Linux
Windows infoexperimental
Android
iOS
Linux
macOS
Windows
Linux
Data schemepredefined schemeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesyesnoyesyes
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.nonononono
Secondary indexesnoyesnoyes
SQL infoSupport of SQLnoyesnonoSQL-like query language (WOQL)
APIs and other access methodsHTTP RESTArrow Database Connectivity (ADBC)
CLI Client
JDBC
ODBC
gRPC
JSON over HTTP
Proprietary native APIOWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languagesC
C# info3rd party driver
C++
Crystal info3rd party driver
Go info3rd party driver
Java
Lisp info3rd party driver
Python
R
Ruby info3rd party driver
Rust
Swift
Zig info3rd party driver
.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Rust
Scala
Tcl
C
C++
Dart
Go
Java
JavaScript infoplanned (as of Jan 2019)
Kotlin
Python infoplanned (as of Jan 2019)
Swift
JavaScript
Python
Server-side scripts infoStored proceduresnonononoyes
Triggersnonoyes, watching key changesnoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandranonenoneGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandranoneUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.online/offline synchronization between client and serverJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesnono
User concepts infoAccess controlnononoyesRole-based access control
More information provided by the system vendor
BluefloodDuckDBetcdObjectBoxTerminusDB infoformer name was DataChemist
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