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DBMS > Cloudflare Workers KV vs. Graph Engine vs. H2GIS vs. Microsoft Azure Synapse Analytics vs. OushuDB

System Properties Comparison Cloudflare Workers KV vs. Graph Engine vs. H2GIS vs. Microsoft Azure Synapse Analytics vs. OushuDB

Editorial information provided by DB-Engines
NameCloudflare Workers KV  Xexclude from comparisonGraph Engine infoformer name: Trinity  Xexclude from comparisonH2GIS  Xexclude from comparisonMicrosoft Azure Synapse Analytics infopreviously named Azure SQL Data Warehouse  Xexclude from comparisonOushuDB  Xexclude from comparison
DescriptionA global, low-latency, key-value store for applications on Cloudflare with exceptionally high read volumes and low-latency.A distributed in-memory data processing engine, underpinned by a strongly-typed RAM store and a general distributed computation engineSpatial extension of H2Elastic, large scale data warehouse service leveraging the broad eco-system of SQL ServerA data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learning
Primary database modelKey-value storeGraph DBMS
Key-value store
Spatial DBMSRelational DBMSRelational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.39
Rank#274  Overall
#39  Key-value stores
Score0.67
Rank#232  Overall
#21  Graph DBMS
#34  Key-value stores
Score0.08
Rank#368  Overall
#7  Spatial DBMS
Score19.93
Rank#31  Overall
#19  Relational DBMS
Score0.10
Rank#355  Overall
#154  Relational DBMS
Websitewww.cloudflare.com/­developer-platform/­workers-kvwww.graphengine.iowww.h2gis.orgazure.microsoft.com/­services/­synapse-analyticswww.oushu.com/­product/­oushuDB
Technical documentationdevelopers.cloudflare.com/­kv/­apiwww.graphengine.io/­docs/­manualwww.h2gis.org/­docs/­homedocs.microsoft.com/­azure/­synapse-analyticswww.oushu.com/­documentation
DeveloperCloudflareMicrosoftCNRSMicrosoftOushu
Initial release2018201020132016
Current release4.0.1, August 2020
License infoCommercial or Open SourcecommercialOpen Source infoMIT LicenseOpen Source infoLGPL 3.0commercialcommercial
Cloud-based only infoOnly available as a cloud serviceyesnonoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation language.NET and CJavaC++
Server operating systemshosted.NEThostedLinux
Data schemeschema-freeyesyesyesyes
Typing infopredefined data types such as float or datenoyesyesyesyes
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.nononono
Secondary indexesnoyesyesyes
SQL infoSupport of SQLnonoyesyesFull-featured ANSI SQL support
APIs and other access methodsHTTP REST
Proprietary protocol
RESTful HTTP APIADO.NET
JDBC
ODBC
JDBC
ODBC
Supported programming languagesC
C++
Dart
JavaScript
Kotlin
Python
Rust
Scala
C#
C++
F#
Visual Basic
JavaC#
Java
PHP
C
C++
Server-side scripts infoStored proceduresnoyesyes infobased on H2Transact SQLyes
Triggersnonoyesnoyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningnoneSharding, horizontal partitioningyes
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes infobased on H2yes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoHadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesno infodocs.microsoft.com/­en-us/­azure/­synapse-analytics/­sql-data-warehouse/­sql-data-warehouse-table-constraints
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentyesoptional: either by committing a write-ahead log (WAL) to the local persistent storage or by dumping the memory to a persistent storageyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlyes infobased on H2yesKerberos, SSL and role based access

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More resources
Cloudflare Workers KVGraph Engine infoformer name: TrinityH2GISMicrosoft Azure Synapse Analytics infopreviously named Azure SQL Data WarehouseOushuDB
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