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DBMS > Amazon SimpleDB vs. H2GIS vs. UniData,UniVerse

System Properties Comparison Amazon SimpleDB vs. H2GIS vs. UniData,UniVerse

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Editorial information provided by DB-Engines
NameAmazon SimpleDB  Xexclude from comparisonH2GIS  Xexclude from comparisonUniData,UniVerse  Xexclude from comparison
DescriptionHosted simple database service by Amazon, with the data stored in the Amazon Cloud. infoThere is an unrelated product called SimpleDB developed by Edward ScioreSpatial extension of H2MultiValue database and application server with SQL mapping layer and meta database capabilities
Primary database modelKey-value storeSpatial DBMSMultivalue DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.25
Rank#116  Overall
#22  Key-value stores
Score0.11
Rank#306  Overall
#4  Spatial DBMS
Score4.37
Rank#83  Overall
#2  Multivalue DBMS
Websiteaws.amazon.com/­simpledbwww.h2gis.orgwww.rocketsoftware.com/­products/­rocket-u2
Technical documentationdocs.aws.amazon.com/­simpledbwww.h2gis.org/­docs/­homewww.rocketsoftware.com/­products/­rocket-u2/­documentation
DeveloperAmazonCNRSRocket Software
Initial release200720131985
License infoCommercial or Open SourcecommercialOpen Source infoLGPL 3.0commercial
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC
Server operating systemshostedAIX
HP-UX
Linux
Solaris
Windows
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or datenoyesoptional
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
Secondary indexesyes infoAll columns are indexed automaticallyyesyes
SQL infoSupport of SQLnoyesyes
APIs and other access methodsRESTful HTTP APIJava API infoJPA
JDBC
ODBC
OLE DB
Proprietary protocol
RESTful HTTP API
SOAP-based API
Supported programming languages.Net
C
C++
Erlang
Java
PHP
Python
Ruby
Scala
Java.Net
Basic infoU2 Basic
C
Java
Server-side scripts infoStored proceduresnoyes infobased on H2yes
Triggersnoyesyes infoU2 Basic
Partitioning methods infoMethods for storing different data on different nodesnone infoSharding must be implemented in the applicationnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes infobased on H2Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be specified for read operations
Immediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoConcurrent data updates can be detected by the applicationACIDACID infoconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)yes infobased on H2Access rights according to SQL-standard and operating system based

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More resources
Amazon SimpleDBH2GISUniData,UniVerse
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