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DBMS > Amazon SimpleDB vs. BoltDB vs. Google Search Appliance vs. Postgres-XL vs. RocksDB

System Properties Comparison Amazon SimpleDB vs. BoltDB vs. Google Search Appliance vs. Postgres-XL vs. RocksDB

Editorial information provided by DB-Engines
NameAmazon SimpleDB  Xexclude from comparisonBoltDB  Xexclude from comparisonGoogle Search Appliance  Xexclude from comparisonPostgres-XL  Xexclude from comparisonRocksDB  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 ScioreAn embedded key-value store for Go.The Google Search Appliance consists of hardware and software for indexing documents in local networks.Based on PostgreSQL enhanced with MPP and write-scale-out cluster featuresEmbeddable persistent key-value store optimized for fast storage (flash and RAM)
Primary database modelKey-value storeKey-value storeSearch engineRelational DBMSKey-value store
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.33
Rank#103  Overall
#19  Key-value stores
Score0.48
Rank#212  Overall
#35  Key-value stores
Score2.81
Rank#91  Overall
#10  Search engines
Score0.48
Rank#211  Overall
#101  Relational DBMS
Score2.61
Rank#97  Overall
#18  Key-value stores
Websiteaws.amazon.com/­simpledbgithub.com/­boltdb/­boltenterprise.google.com/­search/­products/­gsa.htmlwww.postgres-xl.orgrocksdb.org
Technical documentationdocs.aws.amazon.com/­simpledbsupport.google.com/­gsawww.postgres-xl.org/­documentationgithub.com/­facebook/­rocksdb/­wiki
DeveloperAmazonGoogleFacebook, Inc.
Initial release2007201320022014 infosince 2012, originally named StormDB2013
Current release10 R1, October 20186.5.2, November 2019
License infoCommercial or Open SourcecommercialOpen Source infoMIT LicensecommercialOpen Source infoMozilla public licenseOpen Source infoBSD
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoCC++
Server operating systemshostedBSD
Linux
OS X
Solaris
Windows
Linux
macOS
Data schemeschema-freeschema-freeyesschema-free
Typing infopredefined data types such as float or datenonoyesno
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.nonoyes infoXML type, but no XML query functionalityno
Secondary indexesyes infoAll columns are indexed automaticallynoyesno
SQL infoSupport of SQLnononoyes infodistributed, parallel query executionno
APIs and other access methodsRESTful HTTP APIAdministrative API
Browser interface
HTTP API
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
C++ API
Java API
Supported programming languages.Net
C
C++
Erlang
Java
PHP
Python
Ruby
Scala
Go.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C++
Java
Server-side scripts infoStored proceduresnonouser defined functionsno
Triggersnonoyesno
Partitioning methods infoMethods for storing different data on different nodesnone infoSharding must be implemented in the applicationnoneShardinghorizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesnoneMaster-slave replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be specified for read operations
noneImmediate Consistency
Foreign keys infoReferential integritynononoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoConcurrent data updates can be detected by the applicationyesACID infoMVCCyes
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nononoyes
User concepts infoAccess controlAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)noUser authentication via various security protocolsfine grained access rights according to SQL-standardno

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More resources
Amazon SimpleDBBoltDBGoogle Search AppliancePostgres-XLRocksDB
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