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DBMS > IBM Db2 Event Store vs. Kyligence Enterprise vs. Oracle Rdb vs. SQL.JS vs. SwayDB

System Properties Comparison IBM Db2 Event Store vs. Kyligence Enterprise vs. Oracle Rdb vs. SQL.JS vs. SwayDB

Editorial information provided by DB-Engines
NameIBM Db2 Event Store  Xexclude from comparisonKyligence Enterprise  Xexclude from comparisonOracle Rdb  Xexclude from comparisonSQL.JS  Xexclude from comparisonSwayDB  Xexclude from comparison
DescriptionDistributed Event Store optimized for Internet of Things use casesA distributed analytics engine for big data, built on top of Apache KylinPort of SQLite to JavaScriptAn embeddable, non-blocking, type-safe key-value store for single or multiple disks and in-memory storage
Primary database modelEvent Store
Time Series DBMS
Relational DBMSRelational DBMSRelational DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.27
Rank#309  Overall
#2  Event Stores
#28  Time Series DBMS
Score0.46
Rank#266  Overall
#124  Relational DBMS
Score1.14
Rank#178  Overall
#80  Relational DBMS
Score0.63
Rank#241  Overall
#112  Relational DBMS
Score0.04
Rank#387  Overall
#61  Key-value stores
Websitewww.ibm.com/­products/­db2-event-storekyligence.io/­kyligence-enterprisewww.oracle.com/­database/­technologies/­related/­rdb.htmlsql.js.orgswaydb.simer.au
Technical documentationwww.ibm.com/­docs/­en/­db2-event-storewww.oracle.com/­database/­technologies/­related/­rdb-doc.htmlsql.js.org/­documentation/­index.html
DeveloperIBMKyligence, Inc.Oracle, originally developed by Digital Equipment Corporation (DEC)Alon Zakai infoenhancements implemented by othersSimer Plaha
Initial release20172016198420122018
Current release2.07.4.1.1, 2021
License infoCommercial or Open Sourcecommercial infofree developer edition availablecommercialcommercialOpen SourceOpen Source infoGNU Affero GPL V3.0
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC and C++JavaJavaScriptScala
Server operating systemsLinux infoLinux, macOS, Windows for the developer additionLinuxHP Open VMSserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesyesFlexible Schema (defined schema, partial schema, schema free)yesschema-free
Typing infopredefined data types such as float or dateyesyesyesyesno
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 indexesnoyesyesno
SQL infoSupport of SQLyes infothrough the embedded Spark runtimeANSI SQL for queries (using Apache Calcite)yesyes infoSQL-92 is not fully supportedno
APIs and other access methodsADO.NET
DB2 Connect
JDBC
ODBC
RESTful HTTP API
JDBC
ODBC
RESTful HTTP API
JavaScript API
Supported programming languagesC
C#
C++
Cobol
Delphi
Fortran
Go
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Scala
Visual Basic
JavaScriptJava
Kotlin
Scala
Server-side scripts infoStored proceduresyesnono
Triggersnonono
Partitioning methods infoMethods for storing different data on different nodesShardingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesActive-active shard replicationnonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate ConsistencynoneImmediate Consistency
Foreign keys infoReferential integritynoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoyes, on a single nodeACIDAtomic execution of operations
Concurrency infoSupport for concurrent manipulation of dataNo - written data is immutableyesyesyes
Durability infoSupport for making data persistentYes - Synchronous writes to local disk combined with replication and asynchronous writes in parquet format to permanent shared storageyesyesno infoexcept by serializing a db to a fileyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnonoyesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardnono

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More resources
IBM Db2 Event StoreKyligence EnterpriseOracle RdbSQL.JSSwayDB
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