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DBMS > Ehcache vs. openGauss vs. SAP Advantage Database Server vs. VelocityDB

System Properties Comparison Ehcache vs. openGauss vs. SAP Advantage Database Server vs. VelocityDB

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Editorial information provided by DB-Engines
NameEhcache  Xexclude from comparisonopenGauss  Xexclude from comparisonSAP Advantage Database Server infoformer name: Sybase ADS  Xexclude from comparisonVelocityDB  Xexclude from comparison
SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionA widely adopted Java cache with tiered storage optionsAn enterprise-class RDBMS compatible with high-performance, high-availability and high-performance originally developed by HuaweiLow-cost RDBMS with access to ISAM and FoxPro data structuresA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelKey-value storeRelational DBMSRelational DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.89
Rank#67  Overall
#8  Key-value stores
Score1.08
Rank#183  Overall
#84  Relational DBMS
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Websitewww.ehcache.orggitee.com/­opengauss
opengauss.org
www.sap.com/products/advantage-database-server.htmlvelocitydb.com
Technical documentationwww.ehcache.org/­documentationdocs.opengauss.org/­en
gitee.com/­opengauss/­docs
velocitydb.com/­UserGuide
DeveloperTerracotta Inc, owned by Software AGHuawei and openGauss communitySybase, SAPVelocityDB Inc
Initial release2009201919932011
Current release3.10.0, March 20223.0, March 20227.x
License infoCommercial or Open SourceOpen Source infoApache Version 2; commercial licenses availableOpen Sourcecommercialcommercial
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, C++, JavaC#
Server operating systemsAll OS with a Java VMLinuxLinux
Windows
Any that supports .NET
Data schemeschema-freeyesyesyes
Typing infopredefined data types such as float or dateyesyesyesyes
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.nononono
Secondary indexesnoyesyesyes
SQL infoSupport of SQLnoANSI SQL 2011yesno
APIs and other access methodsJCacheJDBC
ODBC
.NET Client API
ADO.NET
JDBC
ODBC
OLE DB
.Net
Supported programming languagesJavaC
C++
Java
Delphi
Perl
PHP
.Net
Server-side scripts infoStored proceduresnoyesyesno
Triggersyes infoCache Event ListenersyesyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding infoby using Terracotta Serverhorizontal partitioning (by range, list and hash)noneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoby using Terracotta ServerSource-replica replicationMulti-source replication infoCONFLICT Trigger to resolve replication conflicts
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemTunable Consistency (Strong, Eventual, Weak)Immediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infosupports JTA and can work as an XA resourceACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyes infousing a tiered cache-storage approachyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnono infocaching of (temporary) tables can be configuredyes
User concepts infoAccess controlnoAccess rights for users, groups and roles according to SQL-standardfine grained access rights according to SQL-standardBased on Windows Authentication

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More resources
EhcacheopenGaussSAP Advantage Database Server infoformer name: Sybase ADSVelocityDB
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