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DBMS > Alibaba Cloud Log Service vs. Alibaba Cloud PolarDB vs. Apache Jena - TDB vs. HarperDB

System Properties Comparison Alibaba Cloud Log Service vs. Alibaba Cloud PolarDB vs. Apache Jena - TDB vs. HarperDB

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Editorial information provided by DB-Engines
NameAlibaba Cloud Log Service  Xexclude from comparisonAlibaba Cloud PolarDB  Xexclude from comparisonApache Jena - TDB  Xexclude from comparisonHarperDB  Xexclude from comparison
DescriptionA complete real-time data logging service that supports collection, consumption, shipping, search, and analysis of logs.A cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.A RDF storage and query DBMS, shipped as an optional-use component of the Apache Jena frameworkUltra-low latency distributed database with an intuitive REST API supporting NoSQL and SQL (including joins). Deployment of functions and databases simultaneously with a consolidated node-level architecture.
Primary database modelSearch engineRelational DBMSRDF storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.43
Rank#265  Overall
#18  Search engines
Score0.59
Rank#241  Overall
#110  Relational DBMS
Score3.75
Rank#84  Overall
#3  RDF stores
Score0.55
Rank#248  Overall
#38  Document stores
Websitewww.alibabacloud.com/­product/­log-servicewww.alibabacloud.com/­product/­polardbjena.apache.org/­documentation/­tdb/­index.htmlwww.harperdb.io
Technical documentationwww.alibabacloud.com/­help/­en/­slswww.alibabacloud.com/­help/­en/­polardb/­product-overviewjena.apache.org/­documentation/­tdb/­index.htmldocs.harperdb.io/­docs
DeveloperAlibabaCloud Inc.AlibabaApache Software Foundation infooriginally developed by HP LabsHarperDB
Initial release201620002017
Current release4.9.0, July 20233.1, August 2021
License infoCommercial or Open SourcecommercialcommercialOpen Source infoApache License, Version 2.0commercial infofree community edition available
Cloud-based only infoOnly available as a cloud serviceyesyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaNode.js
Server operating systemshostedhostedAll OS with a Java VMLinux
OS X
Data schemeschema-freeyesyes infoRDF Schemasdynamic schema
Typing infopredefined data types such as float or dateyesyesyesyes infoJSON data types
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.noyesno
Secondary indexesyesyesyesyes
SQL infoSupport of SQLSQL for queryingyesnoSQL-like data manipulation statements
APIs and other access methodsHTTP RESTJDBC
ODBC
Fuseki infoREST-style SPARQL HTTP Interface
Jena RDF API
RIO infoRDF Input/Output
JDBC
ODBC
React Hooks
RESTful HTTP/JSON API
WebSocket
Supported programming languagesJava
Python
Java.Net
C
C#
C++
ColdFusion
D
Dart
Delphi
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
MatLab
Objective C
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Rust
Scala
Swift
Server-side scripts infoStored proceduresnoyesyesCustom Functions infosince release 3.1
Triggersyesyesyes infovia event handlerno
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infoImplicit feature of the cloud servicenoneA table resides as a whole on one (or more) nodes in a cluster
Replication methods infoMethods for redundantly storing data on multiple nodes3 replicasyes infoImplicit feature of the cloud servicenoneyes infothe nodes on which a table resides can be defined
MapReduce infoOffers an API for user-defined Map/Reduce methodsES-Hadoop Connectornonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID infoTDB TransactionsAtomic execution of specific operations
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes, using LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlAlibaba Cloud user access controlfine grained access rights according to SQL-standardAccess control via Jena SecurityAccess rights for users and roles
More information provided by the system vendor
Alibaba Cloud Log ServiceAlibaba Cloud PolarDBApache Jena - TDBHarperDB
Specific characteristicsA real-time service for telementry data (log, metric, trace). Alibaba Cloud Log Service...
» more
PolarDB, previously ApsaraDB for PolarDB, is a cloud-native relational database designed...
» more
Competitive advantages* Ease of use: Completes data collections from more than 30 data sources within five...
» more
Webinar: Top Scientists Live: Tech Secrets to Double 11's Success Revealed. White...
» more
Typical application scenarios* Log/Trace/Event Search & Analysis * Application Monitoring * Operation Analysis...
» more
Creating a Robust Cloud-Based Database for Fintech, E-Commerce and Gaming. Learn...
» more
Key customers* Alibaba & Ant-Financeļ¼šhe infrastructure service for the Corp * Over 22k Subscriber...
» more
Licensing and pricing modelsPay-As-You-Go https://www.alibabacloud.com/product/log-service/pricing
» more
Specification and pricing. You can use either of the following billing methods to...
» more

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Alibaba Cloud Log ServiceAlibaba Cloud PolarDBApache Jena - TDBHarperDB
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