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DBMS > atoti vs. EXASOL vs. NCache vs. OpenMLDB

System Properties Comparison atoti vs. EXASOL vs. NCache vs. OpenMLDB

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Editorial information provided by DB-Engines
Nameatoti  Xexclude from comparisonEXASOL  Xexclude from comparisonNCache  Xexclude from comparisonOpenMLDB  Xexclude from comparison
DescriptionAn in-memory DBMS combining transactional and analytical processing to handle the aggregation of ever-changing data.High-performance, in-memory, MPP database specifically designed for in-memory analytics.Open-Source and Enterprise in-memory Key-Value StoreAn open-source machine learning database that provides a feature platform for training and inference
Primary database modelObject oriented DBMSRelational DBMSKey-value storeTime Series DBMS
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.61
Rank#243  Overall
#11  Object oriented DBMS
Score1.76
Rank#139  Overall
#62  Relational DBMS
Score0.96
Rank#195  Overall
#29  Key-value stores
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Websiteatoti.iowww.exasol.comwww.alachisoft.com/­ncacheopenmldb.ai
Technical documentationdocs.atoti.iowww.exasol.com/­resourceswww.alachisoft.com/­resources/­docsopenmldb.ai/­docs/­zh/­main
DeveloperActiveViamExasolAlachisoft4 Paradigm Inc.
Initial release200020052020
Current release5.3.3, April 20242024-2 February 2024
License infoCommercial or Open Sourcecommercial infofree versions availablecommercialOpen Source infoEnterprise Edition availableOpen Source
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC#, .NET, .NET Core, JavaC++, Java, Scala
Server operating systemsLinux
Windows
Linux
Data schemeyesschema-freeFixed schema
Typing infopredefined data types such as float or dateyespartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counteryes
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.nonono
Secondary indexesyesyesyes
SQL infoSupport of SQLMultidimensional Expressions (MDX)yesSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.yes
APIs and other access methods.Net
JDBC
ODBC
WebSocket
IDistributedCache
JCache
LINQ
Proprietary native API
JDBC
SQLAlchemy
Supported programming languagesJava
Lua
Python
R
.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
C++
Go
Java
Python
Scala
Server-side scripts infoStored proceduresPythonuser defined functionsno infosupport for stored procedures with SQL-Server CLRno
Triggersyesyes infoNotificationsno
Partitioning methods infoMethods for storing different data on different nodesSharding, horizontal partitioningShardingyeshorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency levelSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infoHadoop integrationyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Immediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDoptimistic locking and pessimistic lockingno
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyesyes
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.yesyesyesyes
User concepts infoAccess controlAccess rights for users, groups and roles 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
atotiEXASOLNCacheOpenMLDB
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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atotiEXASOLNCacheOpenMLDB
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