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DBMS > eXtremeDB vs. NCache vs. Redis vs. SAP SQL Anywhere

System Properties Comparison eXtremeDB vs. NCache vs. Redis vs. SAP SQL Anywhere

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Editorial information provided by DB-Engines
NameeXtremeDB  Xexclude from comparisonNCache  Xexclude from comparisonRedis  Xexclude from comparisonSAP SQL Anywhere infoformerly called Adaptive Server Anywhere  Xexclude from comparison
DescriptionNatively in-memory DBMS with options for persistency, high-availability and clusteringOpen source in-memory key-value storeIn-memory data structure store, used as database, cache and message broker infoRedis focuses on performance so most of its design decisions prioritize high performance and very low latencies.RDBMS database and synchronization technologies for server, desktop, remote office, and mobile environments
Primary database modelRelational DBMS
Time Series DBMS
Key-value storeKey-value store infoMultiple data types and a rich set of operations, as well as configurable data expiration, eviction and persistenceRelational DBMS
Secondary database modelsDocument store infowith Redis Modules
Graph DBMS infowith Redis Modules
Search engine infowith Redis Modules
Time Series DBMS infowith Redis Modules
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.39
Rank#220  Overall
#104  Relational DBMS
#12  Time Series DBMS
Score1.05
Rank#145  Overall
#25  Key-value stores
Score145.24
Rank#8  Overall
#1  Key-value stores
Score5.43
Rank#58  Overall
#32  Relational DBMS
Websitewww.mcobject.com/­extremedbfamilywww.alachisoft.com/­ncacheredis.iowww.sap.com/­products/­sql-anywhere.html
Technical documentationwww.mcobject.com/­docs/­eXtremeDB.htmwww.alachisoft.com/­resources/­docsredis.io/­documentationhelp.sap.com/­sql-anywhere
DeveloperMcObjectAlachisoftSalvatore Sanfilippo infoDevelopment sponsored by Redis LabsSAP infoformerly Sybase
Initial release2001200420091992
Current release8.0, May 20185.0, May 20195.0.6, September 201917, July 2015
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0Open Source infoBSD 3-Clause, commercial license availablecommercial
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 languageC and C++C#, C++, .NETC
Server operating systemsAIX
HP-UX
Linux
macOS
Solaris
Windows
WindowsBSD
Linux
OS X
Windows infoported and maintained by Microsoft Open Technologies, Inc.
AIX
HP-UX
Linux
OS X
Solaris
Windows
Data schemeyesschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyespartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexesyes
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.no infosupport of XML interfaces availablenonoyes
Secondary indexesyesyesyes infowith RediSearch moduleyes
SQL infoSupport of SQLyes infowith the option: eXtremeSQLSQL-like query syntax (OQL) for searching the cachenoyes
APIs and other access methods.NET Client API
JDBC
JNI
ODBC
proprietary protocol
LINQ
Proprietary protocol
proprietary protocol infoRESP - REdis Serialization ProtocolADO.NET
HTTP API
JDBC
ODBC
Supported programming languages.Net
C
C#
C++
Java
Lua
Python
.Net
C#
Java
Visual Basic.NET
C
C#
C++
Clojure
Crystal
D
Dart
Elixir
Erlang
Fancy
Go
Haskell
Haxe
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Objective-C
OCaml
Pascal
Perl
PHP
Prolog
Pure Data
Python
R
Rebol
Ruby
Rust
Scala
Scheme
Smalltalk
Swift
Tcl
Visual Basic
C
C#
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresyesno infosupport for stored procedures with SQL-Server CLRLuayes, in C/C++, Java, .Net or Perl
Triggersyes infoby defining eventsyes infoNotificationsnoyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning / shardingyesShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-master replication infoby means of eXtremeDB Cluster option
Master-slave replication infoby means of eXtremeDB High Availability option
yes, with selectable consistency levelMaster-slave replication infoChained replication is supported
Multi-master replication infowith Redis Enterprise Pack
Master-slave replication infoDatabase mirroring
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Eventual Consistency
Strong eventual consistency with CRDTs
Immediate Consistency
Foreign keys infoReferential integrityyesnonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDoptimistic lockingOptimistic locking, atomic execution of commands blocks and scriptsACID
Concurrency infoSupport for concurrent manipulation of datayes infoOptimistic (MVCC) and pessimistic (locking) strategies availableyesyes infoData access is serialized by the serveryes
Durability infoSupport for making data persistentyesyesyes infoConfigurable mechanisms for persistency via snapshots and/or operations logsyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesyes
User concepts infoAccess controlauthentification to access the cache via Active Directory/LDAP (possible roles: user, administrator)Simple password-based access control infoAccess control lists and SSL are available in the commercial versionfine grained access rights according to SQL-standard
More information provided by the system vendor
eXtremeDBNCacheRedisSAP SQL Anywhere infoformerly called Adaptive Server Anywhere
Specific characteristicseXtremeDB is an in-memory and/or persistent database system that offers an ultra-small...
» more
NCache has been the market leader in .NET Distributed Caching for the last 13 years....
» more
Redis, benchmarked as the world's fastest database, reduces application complexity,...
» more
Competitive advantageseXtremeDB databases can be modeled relationally or as objects and can utilize SQL...
» more
Ncache is 100% .NET with ASP.NET Session State storage, ASP.NET View State Caching,...
» more
Redis is an in-memory database platform offering native support of wide range of...
» more
Typical application scenariosIoT application across all markets: Industrial Control, Netcom, Telecom, Defense,...
» more
NCache enables industries and users including users doing: Fraud Detection, Retail...
» more
Redis powers personalization, real-time fraud detection, IoT, e-commerce, real-time...
» more
Key customersSchneider Electronics, F5 Networks, TNS, Boeing, Northrop Grumman, GoPro, ViaSat,...
» more
Bank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Verizon, Vodafone, Atlassian, Trip Advisor, Jet.com, Nokia, Samsung, HTC, Docker,...
» more
Market metricsWith hundreds of customers and over 28 million devices/applications using the product...
» more
Market Leader in .NET Distributed Caching for the last 13 years.
» more
Licensing and pricing modelsFor server use cases, there is a simple per-server license irrespective of the number...
» more
The NCache Enterprise licensing model is according to the number of nodes and shards...
» more
The licensing model is subscription based. Redis Enterprise Cloud is priced according...
» more
News

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13 November 2019

Implementing a Persistent Cache with NCache
31 October 2019

Scaling Real-Time ASP.NET Core SignalR Apps
23 October 2019

Scaling .NET Microservices Communications with In-Memory Pub/Sub
17 October 2019

Using SQL Queries with Distributed Cache
4 October 2019

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
eXtremeDBNCacheRedisSAP SQL Anywhere infoformerly called Adaptive Server Anywhere
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Recent citations in the news

McObject's eXtremeDB for HPC is Now Available on AWS
15 October 2019, HPCwire

eXtremeDB shortlisted in 4 different best DBMS categories in 1 week
8 October 2019, IoT For All

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What is SAP SQL Anywhere? - Definition from WhatIs.com
13 October 2016, TechTarget

SAP gives SQL Anywhere a new IoT injection
16 July 2015, Computerworld

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