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DBMS > BoltDB vs. Cloudflare Workers KV vs. Coveo vs. Heroic vs. TerminusDB

System Properties Comparison BoltDB vs. Cloudflare Workers KV vs. Coveo vs. Heroic vs. TerminusDB

Editorial information provided by DB-Engines
NameBoltDB  Xexclude from comparisonCloudflare Workers KV  Xexclude from comparisonCoveo  Xexclude from comparisonHeroic  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionAn embedded key-value store for Go.A global, low-latency, key-value store for applications on Cloudflare with exceptionally high read volumes and low-latency.AI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentTime Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearchScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelKey-value storeKey-value storeSearch engineTime Series DBMSGraph DBMS
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.74
Rank#220  Overall
#31  Key-value stores
Score0.32
Rank#283  Overall
#40  Key-value stores
Score2.28
Rank#114  Overall
#11  Search engines
Score0.51
Rank#255  Overall
#21  Time Series DBMS
Score0.17
Rank#325  Overall
#29  Graph DBMS
Websitegithub.com/­boltdb/­boltwww.cloudflare.com/­developer-platform/­workers-kvwww.coveo.comgithub.com/­spotify/­heroicterminusdb.com
Technical documentationdevelopers.cloudflare.com/­kv/­apidocs.coveo.comspotify.github.io/­heroicterminusdb.github.io/­terminusdb/­#
DeveloperCloudflareCoveoSpotifyDataChemist Ltd.
Initial release20132018201220142018
Current release11.0.0, January 2023
License infoCommercial or Open SourceOpen Source infoMIT LicensecommercialcommercialOpen Source infoApache 2.0Open Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenoyesyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoJavaProlog, Rust
Server operating systemsBSD
Linux
OS X
Solaris
Windows
hostedhostedLinux
Data schemeschema-freeschema-freehybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationschema-freeyes
Typing infopredefined data types such as float or datenonoyesyesyes
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 infovia Elasticsearch
SQL infoSupport of SQLnonononoSQL-like query language (WOQL)
APIs and other access methodsHTTP REST
Proprietary protocol
RESTful HTTP APIHQL (Heroic Query Language, a JSON-based language)
HTTP API
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languagesGoC
C++
Dart
JavaScript
Kotlin
Python
Rust
Scala
C#
Java
JavaScript
Python
JavaScript
Python
Server-side scripts infoStored proceduresnonononoyes
Triggersnonoyesnoyes
Partitioning methods infoMethods for storing different data on different nodesnoneyesShardingGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesyesyesJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynonoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesnoyesnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonono
User concepts infoAccess controlnogranular access controls, API key management, content filtersRole-based access control

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More resources
BoltDBCloudflare Workers KVCoveoHeroicTerminusDB infoformer name was DataChemist
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