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DBMS > NCache vs. OpenEdge vs. Realm vs. SQL.JS

System Properties Comparison NCache vs. OpenEdge vs. Realm vs. SQL.JS

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Editorial information provided by DB-Engines
NameNCache  Xexclude from comparisonOpenEdge  Xexclude from comparisonRealm  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptionOpen-Source and Enterprise in-memory Key-Value StoreApplication development environment with integrated database management systemA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataPort of SQLite to JavaScript
Primary database modelKey-value storeRelational DBMSDocument storeRelational DBMS
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.96
Rank#195  Overall
#29  Key-value stores
Score3.45
Rank#85  Overall
#46  Relational DBMS
Score7.41
Rank#52  Overall
#8  Document stores
Score0.63
Rank#241  Overall
#112  Relational DBMS
Websitewww.alachisoft.com/­ncachewww.progress.com/­openedgerealm.iosql.js.org
Technical documentationwww.alachisoft.com/­resources/­docsdocumentation.progress.com/­output/­ua/­OpenEdge_latestrealm.io/­docssql.js.org/­documentation/­index.html
DeveloperAlachisoftProgress Software CorporationRealm, acquired by MongoDB in May 2019Alon Zakai infoenhancements implemented by others
Initial release2005198420142012
Current release5.3.3, April 2024OpenEdge 12.2, March 2020
License infoCommercial or Open SourceOpen Source infoEnterprise Edition availablecommercialOpen SourceOpen Source
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC#, .NET, .NET Core, JavaJavaScript
Server operating systemsLinux
Windows
AIX
HP-UX
Linux
Solaris
Windows
Android
Backend: server-less
iOS
Windows
server-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freeyesyesyes
Typing infopredefined data types such as float or datepartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counteryesyesyes
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.noyesnono
Secondary indexesyesyesyes
SQL infoSupport of SQLSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.yes infoclose to SQL 92noyes infoSQL-92 is not fully supported
APIs and other access methodsIDistributedCache
JCache
LINQ
Proprietary native API
JDBC
ODBC
JavaScript API
Supported programming languages.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
Progress proprietary ABL (Advanced Business Language).Net
Java infowith Android only
Objective-C
React Native
Swift
JavaScript
Server-side scripts infoStored proceduresno infosupport for stored procedures with SQL-Server CLRyesno inforuns within the applications so server-side scripts are unnecessaryno
Triggersyes infoNotificationsyesyes infoChange Listenersno
Partitioning methods infoMethods for storing different data on different nodesyeshorizontal partitioning infosince Version 11.4nonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency levelSource-replica replicationnonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Immediate ConsistencyImmediate Consistencynone
Foreign keys infoReferential integritynoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataoptimistic locking and pessimistic lockingACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyesyesno infoexcept by serializing a db to a file
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes infoIn-Memory realmyes
User concepts infoAccess controlAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)Users and groupsyesno
More information provided by the system vendor
NCacheOpenEdgeRealmSQL.JS
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
NCacheOpenEdgeRealmSQL.JS
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