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DBMS > Cloudflare Workers KV vs. OpenTSDB vs. SAP Advantage Database Server vs. SWC-DB vs. YDB

System Properties Comparison Cloudflare Workers KV vs. OpenTSDB vs. SAP Advantage Database Server vs. SWC-DB vs. YDB

Editorial information provided by DB-Engines
NameCloudflare Workers KV  Xexclude from comparisonOpenTSDB  Xexclude from comparisonSAP Advantage Database Server infoformer name: Sybase ADS  Xexclude from comparisonSWC-DB infoSuper Wide Column Database  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.Scalable Time Series DBMS based on HBaseLow-cost RDBMS with access to ISAM and FoxPro data structuresA high performance, scalable Wide Column DBMSA 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 storeTime Series DBMSRelational DBMSWide column storeDocument store
Relational DBMS
Secondary database modelsTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.32
Rank#283  Overall
#40  Key-value stores
Score1.68
Rank#146  Overall
#12  Time Series DBMS
Score0.01
Rank#376  Overall
#13  Wide column stores
Score0.35
Rank#278  Overall
#43  Document stores
#127  Relational DBMS
Websitewww.cloudflare.com/­developer-platform/­workers-kvopentsdb.netwww.sap.com/products/advantage-database-server.htmlgithub.com/­kashirin-alex/­swc-db
www.swcdb.org
github.com/­ydb-platform/­ydb
ydb.tech
Technical documentationdevelopers.cloudflare.com/­kv/­apiopentsdb.net/­docs/­build/­html/­index.htmlydb.tech/­en/­docs
DeveloperCloudflarecurrently maintained by Yahoo and other contributorsSybase, SAPAlex KashirinYandex
Initial release20182011199320202019
Current release0.5, April 2021
License infoCommercial or Open SourcecommercialOpen Source infoLGPLcommercialOpen Source infoGPL V3Open Source infoApache 2.0; commercial license available
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC++
Server operating systemshostedLinux
Windows
Linux
Windows
LinuxLinux
Data schemeschema-freeschema-freeyesschema-freeFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or datenonumeric data for metrics, strings for tagsyesyes
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 indexesnonoyesyes
SQL infoSupport of SQLnonoyesSQL-like query languageSQL-like query language (YQL)
APIs and other access methodsHTTP REST
Proprietary protocol
HTTP API
Telnet API
.NET Client API
ADO.NET
JDBC
ODBC
OLE DB
Proprietary protocol
Thrift
RESTful HTTP API (DynamoDB compatible)
Supported programming languagesC
C++
Dart
JavaScript
Kotlin
Python
Rust
Scala
Erlang
Go
Java
Python
R
Ruby
Delphi
Perl
PHP
C++Go
Java
JavaScript (Node.js)
PHP
Python
Server-side scripts infoStored proceduresnonoyesnono
Triggersnonoyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on HBasenoneShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesselectable replication factor infobased on HBaseMulti-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 Consistency infobased on HBaseImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
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.nonono infocaching of (temporary) tables can be configurednono
User concepts infoAccess controlnofine grained access rights according to SQL-standardAccess rights defined for Yandex Cloud users

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More resources
Cloudflare Workers KVOpenTSDBSAP Advantage Database Server infoformer name: Sybase ADSSWC-DB infoSuper Wide Column DatabaseYDB
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