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DBMS > chDB vs. Cloudflare Workers KV vs. SQream DB vs. Trafodion

System Properties Comparison chDB vs. Cloudflare Workers KV vs. SQream DB vs. Trafodion

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Editorial information provided by DB-Engines
NamechDB  Xexclude from comparisonCloudflare Workers KV  Xexclude from comparisonSQream DB  Xexclude from comparisonTrafodion  Xexclude from comparison
Apache Trafodion has been retired in 2021. Therefore it is excluded from the DB-Engines Ranking.
DescriptionAn embedded SQL OLAP Engine powered by ClickHouseA global, low-latency, key-value store for applications on Cloudflare with exceptionally high read volumes and low-latency.a GPU-based, columnar RDBMS for big data analytics workloadsTransactional SQL-on-Hadoop DBMS
Primary database modelRelational DBMSKey-value storeRelational DBMSRelational DBMS
Secondary database modelsTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.07
Rank#376  Overall
#158  Relational DBMS
Score0.39
Rank#274  Overall
#39  Key-value stores
Score0.74
Rank#224  Overall
#103  Relational DBMS
Websitegithub.com/­chdb-io/­chdbwww.cloudflare.com/­developer-platform/­workers-kvsqream.comtrafodion.apache.org
Technical documentationdoc.chdb.iodevelopers.cloudflare.com/­kv/­apidocs.sqream.comtrafodion.apache.org/­documentation.html
DeveloperCloudflareSQream TechnologiesApache Software Foundation, originally developed by HP
Initial release2023201820172014
Current release2022.1.6, December 20222.3.0, February 2019
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercialcommercialOpen Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++, CUDA, Haskell, Java, ScalaC++, Java
Server operating systemsserver-lesshostedLinuxLinux
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or datenoyes, ANSI Standard SQL Typesyes
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.nono
Secondary indexesnonoyes
SQL infoSupport of SQLClose to ANSI SQL (SQL/JSON + extensions)noyesyes
APIs and other access methodsHTTP REST
Proprietary protocol
.Net
JDBC
ODBC
ADO.NET
JDBC
ODBC
Supported programming languagesBun
C
C++
Go
JavaScript (Node.js)
Python
Rust
C
C++
Dart
JavaScript
Kotlin
Python
Rust
Scala
C++
Java
JavaScript (Node.js)
Python
All languages supporting JDBC/ODBC/ADO.Net
Server-side scripts infoStored proceduresnouser defined functions in PythonJava Stored Procedures
Triggersnonono
Partitioning methods infoMethods for storing different data on different nodeshorizontal and vertical partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesnoneyes, via HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes infovia user defined functions and HBase
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlfine grained access rights according to SQL-standard

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More resources
chDBCloudflare Workers KVSQream DBTrafodion
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