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DBMS > Alibaba Cloud ApsaraDB for PolarDB vs. Quasardb vs. TerminusDB

System Properties Comparison Alibaba Cloud ApsaraDB for PolarDB vs. Quasardb vs. TerminusDB

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Editorial information provided by DB-Engines
NameAlibaba Cloud ApsaraDB for PolarDB  Xexclude from comparisonQuasardb  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionA cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.Distributed, high-performance timeseries databaseScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelRelational DBMSTime Series DBMSGraph DBMS
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.70
Rank#207  Overall
#102  Relational DBMS
Score0.19
Rank#288  Overall
#23  Time Series DBMS
Score0.24
Rank#276  Overall
#24  Graph DBMS
Websitewww.alibabacloud.com/­product/­polardbquasardb.netterminusdb.com
Technical documentationwww.alibabacloud.com/­help/­doc-detail/­58764.htmdoc.quasardb.netterminusdb.github.io/­terminusdb/­#
DeveloperAlibabaquasardbDataChemist Ltd.
Initial release20092018
Current release3.1, January 201910.0.3, September 2021
License infoCommercial or Open Sourcecommercialcommercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensesOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++Prolog, Rust
Server operating systemshostedBSD
Linux
OS X
Windows
Linux
Data schemeyesschema-freeyes
Typing infopredefined data types such as float or dateyesyes infointeger and binaryyes
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.yesnono
Secondary indexesyesyes infowith tags
SQL infoSupport of SQLyesSQL-like query languageSQL-like query language (WOQL)
APIs and other access methodsJDBC
ODBC
HTTP APIOWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languagesJava
Python
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
JavaScript
Python
Server-side scripts infoStored proceduresyesnoyes
Triggersyesnoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud serviceSharding infoconsistent hashingGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceSource-replica replication with selectable replication factorJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnowith Hadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infoby using LevelDByes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoTransient mode
User concepts infoAccess controlfine grained access rights according to SQL-standardCryptographically strong user authentication and audit trailRole-based access control
More information provided by the system vendor
Alibaba Cloud ApsaraDB for PolarDBQuasardbTerminusDB infoformer name was DataChemist
Specific characteristicsApsaraDB for PolarDB is a cloud-native relational database 100% compatible with MySQL...
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High-performance , high-speed, fully integrated timeseries database Seamlessly combines...
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Competitive advantagesWebinar: Top Scientists Live: Tech Secrets to Double 11's Success Revealed. White...
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High performance in a cost-effective small package Real-time results for even large...
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Typical application scenariosCreating a Robust Cloud-Based Database for Fintech, E-Commerce and Gaming. Learn...
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Tick database Predictive maintenance Pre-deal checks Large scale monitoring
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Key customersLarge EU investment banks US based hedge funds Orolia Tellmeplus
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Market metricsHas been running in very demanding production environments since 2013 Rapid adoption...
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Licensing and pricing modelsSpecification and pricing. You can use either of the following billing methods to...
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Community edition limited to 2 nodes and 16 GiB of storage per node available for...
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Alibaba Cloud ApsaraDB for PolarDBQuasardbTerminusDB infoformer name was DataChemist
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