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DBMS > Cloudflare Workers KV vs. H2GIS vs. KairosDB vs. SAP Advantage Database Server vs. YDB

System Properties Comparison Cloudflare Workers KV vs. H2GIS vs. KairosDB vs. SAP Advantage Database Server vs. YDB

Editorial information provided by DB-Engines
NameCloudflare Workers KV  Xexclude from comparisonH2GIS  Xexclude from comparisonKairosDB  Xexclude from comparisonSAP Advantage Database Server infoformer name: Sybase ADS  Xexclude from comparisonYDB  Xexclude from comparison
SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionA global, low-latency, key-value store for applications on Cloudflare with exceptionally high read volumes and low-latency.Spatial extension of H2Distributed Time Series DBMS based on Cassandra or H2Low-cost RDBMS with access to ISAM and FoxPro data structuresA distributed fault-tolerant database service, with high availability, scalability, immediate consistency and ACID transactions and providing an Amazon DynamoDB compatible API
Primary database modelKey-value storeSpatial DBMSTime Series DBMSRelational DBMSDocument store
Relational 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
Score0.08
Rank#368  Overall
#7  Spatial DBMS
Score0.67
Rank#233  Overall
#20  Time Series DBMS
Score0.33
Rank#287  Overall
#43  Document stores
#132  Relational DBMS
Websitewww.cloudflare.com/­developer-platform/­workers-kvwww.h2gis.orggithub.com/­kairosdb/­kairosdbwww.sap.com/products/advantage-database-server.htmlgithub.com/­ydb-platform/­ydb
ydb.tech
Technical documentationdevelopers.cloudflare.com/­kv/­apiwww.h2gis.org/­docs/­homekairosdb.github.ioydb.tech/­en/­docs
DeveloperCloudflareCNRSSybase, SAPYandex
Initial release20182013201319932019
Current release1.2.2, November 2018
License infoCommercial or Open SourcecommercialOpen Source infoLGPL 3.0Open Source infoApache 2.0commercialOpen Source infoApache 2.0; commercial license available
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJava
Server operating systemshostedLinux
OS X
Windows
Linux
Windows
Linux
Data schemeschema-freeyesschema-freeyesFlexible Schema (defined schema, partial schema, schema free)
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.nonononono
Secondary indexesnoyesnoyesyes
SQL infoSupport of SQLnoyesnoyesSQL-like query language (YQL)
APIs and other access methodsHTTP REST
Proprietary protocol
Graphite protocol
HTTP REST
Telnet API
.NET Client API
ADO.NET
JDBC
ODBC
OLE DB
RESTful HTTP API (DynamoDB compatible)
Supported programming languagesC
C++
Dart
JavaScript
Kotlin
Python
Rust
Scala
JavaJava
JavaScript infoNode.js
PHP
Python
Delphi
Perl
PHP
Go
Java
JavaScript (Node.js)
PHP
Python
Server-side scripts infoStored proceduresnoyes infobased on H2noyesno
Triggersnoyesnoyes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infobased on CassandranoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes infobased on H2selectable replication factor infobased on CassandraMulti-source replication infoCONFLICT Trigger to resolve replication conflicts
Source-replica replication
Active-passive shard replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesnono infocaching of (temporary) tables can be configuredno
User concepts infoAccess controlyes infobased on H2simple password-based access controlfine grained access rights according to SQL-standardAccess rights defined for Yandex Cloud users

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More resources
Cloudflare Workers KVH2GISKairosDBSAP Advantage Database Server infoformer name: Sybase ADSYDB
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