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DBMS > NCache vs. OushuDB vs. Postgres-XL vs. SAP Adaptive Server

System Properties Comparison NCache vs. OushuDB vs. Postgres-XL vs. SAP Adaptive Server

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Editorial information provided by DB-Engines
NameNCache  Xexclude from comparisonOushuDB  Xexclude from comparisonPostgres-XL  Xexclude from comparisonSAP Adaptive Server infoformer name: Sybase ASE  Xexclude from comparison
DescriptionOpen-Source and Enterprise in-memory Key-Value StoreA data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learningBased on PostgreSQL enhanced with MPP and write-scale-out cluster featuresThe SAP (Sybase) Adaptive Server Enterprise (ASE) is an enterprise-class RDBMS
Primary database modelKey-value storeRelational DBMSRelational DBMSRelational DBMS
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
Document store
Spatial DBMS
Spatial DBMS infowith Boeing's Spatial Query Server
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.96
Rank#195  Overall
#29  Key-value stores
Score0.10
Rank#355  Overall
#154  Relational DBMS
Score0.53
Rank#254  Overall
#117  Relational DBMS
Score35.09
Rank#25  Overall
#17  Relational DBMS
Websitewww.alachisoft.com/­ncachewww.oushu.com/­product/­oushuDBwww.postgres-xl.orgwww.sap.com/­products/­technology-platform/­sybase-ase.html
Technical documentationwww.alachisoft.com/­resources/­docswww.oushu.com/­documentationwww.postgres-xl.org/­documentationhelp.sap.com/­docs/­SAP_ASE
DeveloperAlachisoftOushuSAP, Sybase
Initial release20052014 infosince 2012, originally named StormDB1987
Current release5.3.3, April 20244.0.1, August 202010 R1, October 201816.0
License infoCommercial or Open SourceOpen Source infoEnterprise Edition availablecommercialOpen Source infoMozilla public licensecommercial
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, JavaCC and C++
Server operating systemsLinux
Windows
LinuxLinux
macOS
AIX
HP-UX
Linux
Solaris
Unix
Windows
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.noyes infoXML type, but no XML query functionalityno
Secondary indexesyesyesyesyes
SQL infoSupport of SQLSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.Full-featured ANSI SQL supportyes infodistributed, parallel query executionyes
APIs and other access methodsIDistributedCache
JCache
LINQ
Proprietary native API
JDBC
ODBC
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
ADO.NET
JDBC
ODBC
OLE DB
Tabular Data Stream (TDS)
Supported programming languages.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
C
C++
.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C
C++
Cobol
Java
Java
Perl
PHP
Python
Server-side scripts infoStored proceduresno infosupport for stored procedures with SQL-Server CLRyesuser defined functionsJava and Transact-SQL
Triggersyes infoNotificationsyesyesyes
Partitioning methods infoMethods for storing different data on different nodesyesyeshorizontal partitioninghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency levelMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesHadoop integrationnono
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 Consistency
Foreign keys infoReferential integritynoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataoptimistic locking and pessimistic lockingACIDACID infoMVCCACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)Kerberos, SSL and role based accessfine grained access rights according to SQL-standardfine grained access rights according to SQL-standard
More information provided by the system vendor
NCacheOushuDBPostgres-XLSAP Adaptive Server infoformer name: Sybase ASE
Specific characteristicsNCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
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Competitive advantagesNCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
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Typical application scenariosNCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
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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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NCacheOushuDBPostgres-XLSAP Adaptive Server infoformer name: Sybase ASE
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