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DBMS > Cloudflare Workers KV vs. IBM Db2 Event Store vs. NCache vs. SAP IQ vs. XTDB

System Properties Comparison Cloudflare Workers KV vs. IBM Db2 Event Store vs. NCache vs. SAP IQ vs. XTDB

Editorial information provided by DB-Engines
NameCloudflare Workers KV  Xexclude from comparisonIBM Db2 Event Store  Xexclude from comparisonNCache  Xexclude from comparisonSAP IQ infoformer name: Sybase IQ  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
DescriptionA global, low-latency, key-value store for applications on Cloudflare with exceptionally high read volumes and low-latency.Distributed Event Store optimized for Internet of Things use casesOpen-Source and Enterprise in-memory Key-Value StoreColumnar RDBMS optimized for Big Data analyticsA general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelKey-value storeEvent Store
Time Series DBMS
Key-value storeRelational DBMS infocolumn-orientedDocument store
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.32
Rank#283  Overall
#40  Key-value stores
Score0.19
Rank#323  Overall
#2  Event Stores
#28  Time Series DBMS
Score0.94
Rank#195  Overall
#29  Key-value stores
Score2.75
Rank#104  Overall
#53  Relational DBMS
Score0.11
Rank#343  Overall
#46  Document stores
Websitewww.cloudflare.com/­developer-platform/­workers-kvwww.ibm.com/­products/­db2-event-storewww.alachisoft.com/­ncachewww.sap.com/­products/­technology-platform/­sybase-iq-big-data-management.htmlgithub.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationdevelopers.cloudflare.com/­kv/­apiwww.ibm.com/­docs/­en/­db2-event-storewww.alachisoft.com/­resources/­docshelp.sap.com/­docs/­SAP_IQwww.xtdb.com/­docs
DeveloperCloudflareIBMAlachisoftSAP, formerly SybaseJuxt Ltd.
Initial release20182017200519942019
Current release2.05.3.3, April 202416.1 SPS04, April 20191.19, September 2021
License infoCommercial or Open Sourcecommercialcommercial infofree developer edition availableOpen Source infoEnterprise Edition availablecommercialOpen Source infoMIT License
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 languageC and C++C#, .NET, .NET Core, JavaClojure
Server operating systemshostedLinux infoLinux, macOS, Windows for the developer additionLinux
Windows
AIX
HP-UX
Linux
Solaris
Windows
All OS with a Java 8 (and higher) VM
Linux
Data schemeschema-freeyesschema-freeyesschema-free
Typing infopredefined data types such as float or datenoyespartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counteryesyes, extensible-data-notation format
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 indexesnonoyesyesyes
SQL infoSupport of SQLnoyes infothrough the embedded Spark runtimeSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.yeslimited SQL, making use of Apache Calcite
APIs and other access methodsHTTP REST
Proprietary protocol
ADO.NET
DB2 Connect
JDBC
ODBC
RESTful HTTP API
IDistributedCache
JCache
LINQ
Proprietary native API
ADO.NET
JDBC
ODBC
RESTful HTTP API
HTTP REST
JDBC
Supported programming languagesC
C++
Dart
JavaScript
Kotlin
Python
Rust
Scala
C
C#
C++
Cobol
Delphi
Fortran
Go
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Scala
Visual Basic
.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
C
C#
C++
Java
Perl
PHP
Python
Ruby
Clojure
Java
Server-side scripts infoStored proceduresnoyesno infosupport for stored procedures with SQL-Server CLRyesno
Triggersnonoyes infoNotificationsyesno
Partitioning methods infoMethods for storing different data on different nodesShardingyesshared disk or shared nothing architectures with SAP IQ Multiplexernone
Replication methods infoMethods for redundantly storing data on multiple nodesyesActive-active shard replicationyes, with selectable consistency levelSAP/Sybase Replication Serveryes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesHadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyEventual ConsistencyEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Immediate Consistency
Foreign keys infoReferential integritynononoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonooptimistic locking and pessimistic lockingACIDACID
Concurrency infoSupport for concurrent manipulation of datayesNo - written data is immutableyesyesyes
Durability infoSupport for making data persistentyesYes - Synchronous writes to local disk combined with replication and asynchronous writes in parquet format to permanent shared storageyesyesyes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)fine grained access rights according to SQL-standard
More information provided by the system vendor
Cloudflare Workers KVIBM Db2 Event StoreNCacheSAP IQ infoformer name: Sybase IQXTDB infoformerly named Crux
Specific characteristicsNCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
» more
Competitive advantagesNCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
» more
Typical application scenariosNCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
» more
Key customersBank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Market metricsMarket Leader in .NET Distributed Caching since 2005.
» more
Licensing and pricing modelsNCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more

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More resources
Cloudflare Workers KVIBM Db2 Event StoreNCacheSAP IQ infoformer name: Sybase IQXTDB infoformerly named Crux
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