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DBMS > HarperDB vs. Oracle Coherence vs. Quasardb vs. SAP Advantage Database Server vs. Trafodion

System Properties Comparison HarperDB vs. Oracle Coherence vs. Quasardb vs. SAP Advantage Database Server vs. Trafodion

Editorial information provided by DB-Engines
NameHarperDB  Xexclude from comparisonOracle Coherence  Xexclude from comparisonQuasardb  Xexclude from comparisonSAP Advantage Database Server infoformer name: Sybase ADS  Xexclude from comparisonTrafodion  Xexclude from comparison
SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.Apache Trafodion has been retired in 2021. Therefore it is excluded from the DB-Engines Ranking.
DescriptionUltra-low latency distributed database with an intuitive REST API supporting NoSQL and SQL (including joins). Deployment of functions and databases simultaneously with a consolidated node-level architecture.Oracles in-memory data grid solutionDistributed, high-performance timeseries databaseLow-cost RDBMS with access to ISAM and FoxPro data structuresTransactional SQL-on-Hadoop DBMS
Primary database modelDocument storeKey-value storeTime Series DBMSRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.55
Rank#248  Overall
#38  Document stores
Score1.92
Rank#130  Overall
#22  Key-value stores
Score0.14
Rank#332  Overall
#29  Time Series DBMS
Websitewww.harperdb.iowww.oracle.com/­java/­coherencequasar.aiwww.sap.com/products/advantage-database-server.htmltrafodion.apache.org
Technical documentationdocs.harperdb.io/­docsdocs.oracle.com/­en/­middleware/­standalone/­coherencedoc.quasar.ai/­mastertrafodion.apache.org/­documentation.html
DeveloperHarperDBOraclequasardbSybase, SAPApache Software Foundation, originally developed by HP
Initial release20172007200919932014
Current release3.1, August 202114.1, August 20233.14.1, January 20242.3.0, February 2019
License infoCommercial or Open Sourcecommercial infofree community edition availablecommercialcommercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensescommercialOpen Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageNode.jsJavaC++C++, Java
Server operating systemsLinux
OS X
All OS with a Java VMBSD
Linux
OS X
Windows
Linux
Windows
Linux
Data schemedynamic schemaschema-freeschema-freeyesyes
Typing infopredefined data types such as float or dateyes infoJSON data typesyesyes infointeger and binaryyesyes
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.nonononono
Secondary indexesyesnoyes infowith tagsyesyes
SQL infoSupport of SQLSQL-like data manipulation statementsnoSQL-like query languageyesyes
APIs and other access methodsJDBC
ODBC
React Hooks
RESTful HTTP/JSON API
WebSocket
JCache
JPA
RESTful HTTP API
HTTP API.NET Client API
ADO.NET
JDBC
ODBC
OLE DB
ADO.NET
JDBC
ODBC
Supported programming languages.Net
C
C#
C++
ColdFusion
D
Dart
Delphi
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
MatLab
Objective C
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Rust
Scala
Swift
.Net
C++
Java
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Delphi
Perl
PHP
All languages supporting JDBC/ODBC/ADO.Net
Server-side scripts infoStored proceduresCustom Functions infosince release 3.1nonoyesJava Stored Procedures
Triggersnoyes infoLive Eventsnoyesno
Partitioning methods infoMethods for storing different data on different nodesA table resides as a whole on one (or more) nodes in a clusterShardingSharding infoconsistent hashingnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infothe nodes on which a table resides can be definedyes, with selectable consistency levelSource-replica replication with selectable replication factorMulti-source replication infoCONFLICT Trigger to resolve replication conflicts
Source-replica replication
yes, via HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonowith Hadoop integrationnoyes infovia user defined functions and HBase
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataAtomic execution of specific operationsconfigurableACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyes, using LMDByes infooptionallyyes infoby using LevelDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes infoTransient modeno infocaching of (temporary) tables can be configuredno
User concepts infoAccess controlAccess rights for users and rolesauthentification to access the cache via certificates or http basic authenticationCryptographically strong user authentication and audit trailfine grained access rights according to SQL-standardfine grained access rights according to SQL-standard

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More resources
HarperDBOracle CoherenceQuasardbSAP Advantage Database Server infoformer name: Sybase ADSTrafodion
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