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DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. H2 vs. Oracle Coherence vs. Quasardb vs. VelocityDB

System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. H2 vs. Oracle Coherence vs. Quasardb vs. VelocityDB

Editorial information provided by DB-Engines
NameAlibaba Cloud AnalyticDB for PostgreSQL infoformer name was HybridDB  Xexclude from comparisonH2  Xexclude from comparisonOracle Coherence  Xexclude from comparisonQuasardb  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionAn online MPP (Massively Parallel Processing) data warehousing service based on GreenplumFull-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.Oracles in-memory data grid solutionDistributed, high-performance timeseries databaseA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelRelational DBMSRelational DBMSKey-value storeTime Series DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.68
Rank#231  Overall
#105  Relational DBMS
Score8.13
Rank#49  Overall
#31  Relational DBMS
Score1.92
Rank#130  Overall
#22  Key-value stores
Score0.14
Rank#332  Overall
#29  Time Series DBMS
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Websitewww.alibabacloud.com/­product/­hybriddb-postgresqlwww.h2database.comwww.oracle.com/­java/­coherencequasar.aivelocitydb.com
Technical documentationwww.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overviewwww.h2database.com/­html/­main.htmldocs.oracle.com/­en/­middleware/­standalone/­coherencedoc.quasar.ai/­mastervelocitydb.com/­UserGuide
DeveloperAlibaba / Pivotal Software Inc. / PostgreSQL Global Development GroupThomas MuellerOraclequasardbVelocityDB Inc
Initial release20162005200720092011
Current release2.2.220, July 202314.1, August 20233.14.1, January 20247.x
License infoCommercial or Open SourcecommercialOpen Source infodual-licence (Mozilla public license, Eclipse public license)commercialcommercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensescommercial
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaC++C#
Server operating systemshostedAll OS with a Java VMAll OS with a Java VMBSD
Linux
OS X
Windows
Any that supports .NET
Data schemeyesyesschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesyesyesyes infointeger and binaryyes
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.yesnononono
Secondary indexesyesyesnoyes infowith tagsyes
SQL infoSupport of SQLyesyesnoSQL-like query languageno
APIs and other access methodsJDBC
ODBC
JDBC
ODBC
JCache
JPA
RESTful HTTP API
HTTP API.Net
Supported programming languagesC
Java
Perl
Python
R
Java.Net
C++
Java
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
.Net
Server-side scripts infoStored proceduresyesJava Stored Procedures and User-Defined Functionsnonono
Triggersyesyesyes infoLive EventsnoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud servicenoneShardingSharding infoconsistent hashingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceWith clustering: 2 database servers on different computers operate on identical copies of a databaseyes, with selectable consistency levelSource-replica replication with selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononowith Hadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDconfigurableACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yesyesyes
Durability infoSupport for making data persistentyesyesyes infooptionallyyes infoby using LevelDByes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyesyes infoTransient modeyes
User concepts infoAccess controlfine grained access rights according to SQL-standardfine grained access rights according to SQL-standardauthentification to access the cache via certificates or http basic authenticationCryptographically strong user authentication and audit trailBased on Windows Authentication

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More resources
Alibaba Cloud AnalyticDB for PostgreSQL infoformer name was HybridDBH2Oracle CoherenceQuasardbVelocityDB
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