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DBMS > AlaSQL vs. Cloudflare Workers KV vs. Coveo vs. JSqlDb vs. LeanXcale

System Properties Comparison AlaSQL vs. Cloudflare Workers KV vs. Coveo vs. JSqlDb vs. LeanXcale

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonCloudflare Workers KV  Xexclude from comparisonCoveo  Xexclude from comparisonJSqlDb  Xexclude from comparisonLeanXcale  Xexclude from comparison
JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
DescriptionJavaScript DBMS libraryA 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 developmentJavaScript Query Language Database, stores JavaScript objects and primitivesA highly scalable full ACID SQL database with fast NoSQL data ingestion and GIS capabilities
Primary database modelDocument store
Relational DBMS
Key-value storeSearch engineDocument store
Object oriented DBMS
Key-value store
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.51
Rank#256  Overall
#40  Document stores
#118  Relational DBMS
Score0.39
Rank#274  Overall
#39  Key-value stores
Score2.11
Rank#118  Overall
#11  Search engines
Score0.36
Rank#280  Overall
#40  Key-value stores
#129  Relational DBMS
Websitealasql.orgwww.cloudflare.com/­developer-platform/­workers-kvwww.coveo.comjsqldb.org (offline)www.leanxcale.com
Technical documentationgithub.com/­AlaSQL/­alasqldevelopers.cloudflare.com/­kv/­apidocs.coveo.com
DeveloperAndrey Gershun & Mathias R. WulffCloudflareCoveoKonrad von BackstromLeanXcale
Initial release20142018201220182015
Current release0.8, December 2018
License infoCommercial or Open SourceOpen Source infoMIT-LicensecommercialcommercialOpen Sourcecommercial
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 languageJavaScript
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)hostedhostedLinux
macOS
Windows
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 datenonoyesno
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 indexesnonoyesno
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.nononoyes infothrough Apache Derby
APIs and other access methodsJavaScript APIHTTP REST
Proprietary protocol
RESTful HTTP APIJDBC
Kafka Connector
ODBC
proprietary key/value interface
Spark Connector
Supported programming languagesJavaScriptC
C++
Dart
JavaScript
Kotlin
Python
Rust
Scala
C#
Java
JavaScript
Python
JavaScriptC
Java
Scala
Server-side scripts infoStored proceduresnononofunctions in JavaScript
Triggersyesnoyesno
Partitioning methods infoMethods for storing different data on different nodesnoneyesnone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storagenoyesACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyesyes infousing RocksDByes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlnogranular access controls, API key management, content filters

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More resources
AlaSQLCloudflare Workers KVCoveoJSqlDbLeanXcale
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