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DBMS > Amazon SimpleDB vs. LMDB vs. OpenTSDB vs. TerminusDB

System Properties Comparison Amazon SimpleDB vs. LMDB vs. OpenTSDB vs. TerminusDB

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Editorial information provided by DB-Engines
NameAmazon SimpleDB  Xexclude from comparisonLMDB  Xexclude from comparisonOpenTSDB  Xexclude from comparisonTerminusDB infoformer name was DataChemist  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 ScioreA high performant, light-weight, embedded key-value database libraryScalable Time Series DBMS based on HBaseScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelKey-value storeKey-value storeTime Series DBMSGraph DBMS
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.89
Rank#128  Overall
#22  Key-value stores
Score1.94
Rank#120  Overall
#20  Key-value stores
Score1.59
Rank#140  Overall
#12  Time Series DBMS
Score0.19
Rank#311  Overall
#27  Graph DBMS
Websiteaws.amazon.com/­simpledbwww.symas.com/­symas-embedded-database-lmdbopentsdb.netterminusdb.com
Technical documentationdocs.aws.amazon.com/­simpledbwww.lmdb.tech/­docopentsdb.net/­docs/­build/­html/­index.htmlterminusdb.github.io/­terminusdb/­#
DeveloperAmazonSymascurrently maintained by Yahoo and other contributorsDataChemist Ltd.
Initial release2007201120112018
Current release0.9.32, January 202411.0.0, January 2023
License infoCommercial or Open SourcecommercialOpen SourceOpen Source infoLGPLOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCJavaProlog, Rust
Server operating systemshostedLinux
Unix
Windows
Linux
Windows
Linux
Data schemeschema-freeschema-freeschema-freeyes
Typing infopredefined data types such as float or datenonumeric data for metrics, strings for tagsyes
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.nonono
Secondary indexesyes infoAll columns are indexed automaticallynono
SQL infoSupport of SQLnononoSQL-like query language (WOQL)
APIs and other access methodsRESTful HTTP APIHTTP API
Telnet API
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languages.Net
C
C++
Erlang
Java
PHP
Python
Ruby
Scala
.Net
C
C++
Clojure
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Nim
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Rust
Swift
Tcl
Erlang
Go
Java
Python
R
Ruby
JavaScript
Python
Server-side scripts infoStored proceduresnononoyes
Triggersnononoyes
Partitioning methods infoMethods for storing different data on different nodesnone infoSharding must be implemented in the applicationnoneSharding infobased on HBaseGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyesnoneselectable replication factor infobased on HBaseJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be specified for read operations
Immediate ConsistencyImmediate Consistency infobased on HBase
Foreign keys infoReferential integritynononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoConcurrent data updates can be detected by the applicationACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)nonoRole-based access control

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More resources
Amazon SimpleDBLMDBOpenTSDBTerminusDB infoformer name was DataChemist
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