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DBMS > Amazon SimpleDB vs. Microsoft Azure Synapse Analytics vs. Realm vs. STSdb vs. XTDB

System Properties Comparison Amazon SimpleDB vs. Microsoft Azure Synapse Analytics vs. Realm vs. STSdb vs. XTDB

Editorial information provided by DB-Engines
NameAmazon SimpleDB  Xexclude from comparisonMicrosoft Azure Synapse Analytics infopreviously named Azure SQL Data Warehouse  Xexclude from comparisonRealm  Xexclude from comparisonSTSdb  Xexclude from comparisonXTDB infoformerly named Crux  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 ScioreElastic, large scale data warehouse service leveraging the broad eco-system of SQL ServerA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataKey-Value Store with special method for indexing infooptimized for high performance using a special indexing methodA general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelKey-value storeRelational DBMSDocument storeKey-value storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.20
Rank#115  Overall
#22  Key-value stores
Score17.27
Rank#39  Overall
#24  Relational DBMS
Score9.29
Rank#50  Overall
#8  Document stores
Score0.14
Rank#300  Overall
#43  Key-value stores
Score0.04
Rank#328  Overall
#44  Document stores
Websiteaws.amazon.com/­simpledbazure.microsoft.com/­services/­synapse-analyticsrealm.iogithub.com/­STSSoft/­STSdb4github.com/­xtdb/­xtdb
xtdb.com
Technical documentationdocs.aws.amazon.com/­simpledbdocs.microsoft.com/­azure/­synapse-analyticsrealm.io/­docsxtdb.com/­howto/­quickstart.html
DeveloperAmazonMicrosoftRealm, acquired by MongoDB in May 2019STS Soft SCJuxt Ltd.
Initial release20072016201420112019
Current release4.0.8, September 20151.19, September 2021
License infoCommercial or Open SourcecommercialcommercialOpen SourceOpen Source infoGPLv2, commercial license availableOpen Source infoMIT License
Cloud-based only infoOnly available as a cloud serviceyesyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++C#Clojure
Server operating systemshostedhostedAndroid
Backend: server-less
iOS
Windows
WindowsAll OS with a Java 8 (and higher) VM
Linux
Data schemeschema-freeyesyesyesschema-free
Typing infopredefined data types such as float or datenoyesyesyes infoprimitive types and user defined types (classes)yes, extensible-data-notation format
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 automaticallyyesyesnoyes
SQL infoSupport of SQLnoyesnonolimited SQL, making use of Apache Calcite
APIs and other access methodsRESTful HTTP APIADO.NET
JDBC
ODBC
.NET Client APIHTTP REST
JDBC
Supported programming languages.Net
C
C++
Erlang
Java
PHP
Python
Ruby
Scala
C#
Java
PHP
.Net
Java infowith Android only
Objective-C
React Native
Swift
C#
Java
Clojure
Java
Server-side scripts infoStored proceduresnoTransact SQLno inforuns within the applications so server-side scripts are unnecessarynono
Triggersnonoyes infoChange Listenersnono
Partitioning methods infoMethods for storing different data on different nodesnone infoSharding must be implemented in the applicationSharding, horizontal partitioningnonenonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyesyesnonenoneyes, each node contains all data
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
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynono infodocs.microsoft.com/­en-us/­azure/­synapse-analytics/­sql-data-warehouse/­sql-data-warehouse-table-constraintsnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoConcurrent data updates can be detected by the applicationACIDACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoIn-Memory realm
User concepts infoAccess controlAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)yesyesno
More information provided by the system vendor
Amazon SimpleDBMicrosoft Azure Synapse Analytics infopreviously named Azure SQL Data WarehouseRealmSTSdbXTDB infoformerly named Crux
Specific characteristicsNow a part of MongoDB Data Platform , Realm Database is the fast, easy to use, and...
» more
Competitive advantagesRealm ensures offline-first functionality, meaning apps run smoothly and deliver...
» more
Typical application scenariosMobile Consumer Apps First-Line Worker Apps
» more
Key customersCathay Pacific Royal Carribbean Cruise Lines Open Source Database powers apps built...
» more
Market metricsUsed by 100,000+ developers 2 bn installs Currently used in 40k+ applications in...
» more
Licensing and pricing modelsRealm database is licensed under the Apache License v2.0.
» more

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More resources
Amazon SimpleDBMicrosoft Azure Synapse Analytics infopreviously named Azure SQL Data WarehouseRealmSTSdbXTDB infoformerly named Crux
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