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DBMS > Sqrrl vs. Stardog vs. TDengine

System Properties Comparison Sqrrl vs. Stardog vs. TDengine

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Editorial information provided by DB-Engines
NameSqrrl  Xexclude from comparisonStardog  Xexclude from comparisonTDengine  Xexclude from comparison
Sqrrl has been acquired by Amazon and became a part of Amazon Web Services. It has been removed from the DB-Engines ranking.
DescriptionAdaptable, secure NoSQL built on Apache AccumuloEnterprise Knowledge Graph platform and graph DBMS with high availability, high performance reasoning, and virtualizationTime Series DBMS and big data platform
Primary database modelDocument store
Graph DBMS
Key-value store
Wide column store
Graph DBMS
RDF store
Time Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.77
Rank#158  Overall
#14  Graph DBMS
#6  RDF stores
Score2.43
Rank#127  Overall
#9  Time Series DBMS
Websitesqrrl.comwww.stardog.comgithub.com/­taosdata/­TDengine
tdengine.com
Technical documentationdocs.stardog.comdocs.tdengine.com
DeveloperAmazon infooriginally Sqrrl Data, Inc.Stardog-UnionTDEngine, previously Taos Data
Initial release201220102019
Current release7.3.0, May 20203.0, August 2022
License infoCommercial or Open Sourcecommercialcommercial info60-day fully-featured trial license; 1-year fully-featured non-commercial use license for academics/studentsOpen Source infoGPL V3, also commercial editions available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJavaC
Server operating systemsLinuxLinux
macOS
Windows
Linux
Windows
Data schemeschema-freeschema-free and OWL/RDFS-schema supportyes
Typing infopredefined data types such as float or dateyesyesyes
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 infoImport/export of XML data possibleno
Secondary indexesyesyes infosupports real-time indexing in full-text and geospatialno
SQL infoSupport of SQLnoYes, compatible with all major SQL variants through dedicated BI/SQL ServerStandard SQL with extensions for time-series applications
APIs and other access methodsAccumulo Shell
Java API
JDBC
ODBC
RESTful HTTP API
Thrift
GraphQL query language
HTTP API
Jena RDF API
OWL
RDF4J API
Sesame REST HTTP Protocol
SNARL
SPARQL
Spring Data
Stardog Studio
TinkerPop 3
JDBC
RESTful HTTP API
Supported programming languagesActionscript
C infousing GLib
C#
C++
Cocoa
Delphi
Erlang
Go
Haskell
Java
JavaScript
OCaml
Perl
PHP
Python
Ruby
Smalltalk
.Net
Clojure
Groovy
Java
JavaScript
Python
Ruby
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Rust
Server-side scripts infoStored proceduresnouser defined functions and aggregates, HTTP Server extensions in Javano
Triggersnoyes infovia event handlersyes, via alarm monitoring
Partitioning methods infoMethods for storing different data on different nodesSharding infomaking use of HadoopnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infomaking use of HadoopMulti-source replication in HA-Clusteryes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency infoDocument store kept consistent with combination of global timestamping, row-level transactions, and server-side consistency resolution.Immediate Consistency in HA-Cluster
Foreign keys infoReferential integritynoyes inforelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataAtomic updates per row, document, or graph entityACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlCell-level Security, Data-Centric Security, Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC)Access rights for users and rolesyes
More information provided by the system vendor
SqrrlStardogTDengine
Specific characteristicsStardog is an Enterprise Knowledge Graph platform, uniquely combining graph storage...
» more
TDengine™ is an open-source, cloud-native time-series database (TSDB) optimized for...
» more
Competitive advantagesStardog provides a full featureset to aid in data integration for your complex data....
» more
High performance: TDengine is the only time-series database that solves the high-cardinality...
» more
Typical application scenariosStardog is frequently used for: Supply chain optimization Operational Risk Digital...
» more
Internet of Things (IoT) Industrial Internet (IIoT) Connected Cars DevOps Energy...
» more
Key customersBosch, NASA, Boehringer Ingelheim, Cisco, Schneider Electric, FINRA and more — https://www.stardog.com/customers/
» more
Market metricsStardog's technology is based on ground-breaking research by our founders cited 10,000+...
» more
TDengine has garnered over 20,000 stars on GitHub and is used in over 50 countries...
» more
Licensing and pricing modelsYou can start for free! It’s easy to get started using Stardog’s leading Enterprise...
» more
TDengine Community Edition is open-source software released under the AGPL 3.0 that...
» more

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More resources
SqrrlStardogTDengine
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