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DBMS > Alibaba Cloud TSDB vs. NSDb vs. Oracle Coherence

System Properties Comparison Alibaba Cloud TSDB vs. NSDb vs. Oracle Coherence

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Editorial information provided by DB-Engines
NameAlibaba Cloud TSDB  Xexclude from comparisonNSDb  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionA stable, reliable, and cost-effective online high-performance time series database serviceScalable, High-performance Time Series DBMS designed for Real-time Analytics on top of KubernetesOracles in-memory data grid solution
Primary database modelTime Series DBMSTime Series DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.29
Rank#301  Overall
#26  Time Series DBMS
Score0.08
Rank#369  Overall
#40  Time Series DBMS
Score1.97
Rank#129  Overall
#22  Key-value stores
Websitewww.alibabacloud.com/­product/­hitsdbnsdb.iowww.oracle.com/­java/­coherence
Technical documentationwww.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdbnsdb.io/­Architecturedocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperAlibabaOracle
Initial release20172007
Current release14.1, August 2023
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2.0commercial
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava, ScalaJava
Server operating systemshostedLinux
macOS
All OS with a Java VM
Data schemeschema-freeschema-free
Typing infopredefined data types such as float or dateNumeric data and Stringsyes: int, bigint, decimal, stringyes
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.nonono
Secondary indexesnoall fields are automatically indexedno
SQL infoSupport of SQLnoSQL-like query languageno
APIs and other access methodsHTTP RESTgRPC
HTTP REST
WebSocket
JCache
JPA
RESTful HTTP API
Supported programming languagesJavaJava
Scala
.Net
C++
Java
Server-side scripts infoStored proceduresnonono
Triggersnoyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesUsing Apache Luceneyes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlAccess managed on TSDB instance levelauthentification to access the cache via certificates or http basic authentication

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More resources
Alibaba Cloud TSDBNSDbOracle Coherence
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