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DBMS > Adabas vs. AlaSQL vs. Amazon SimpleDB

System Properties Comparison Adabas vs. AlaSQL vs. Amazon SimpleDB

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Editorial information provided by DB-Engines
NameAdabas infodenotes "adaptable data base"  Xexclude from comparisonAlaSQL  Xexclude from comparisonAmazon SimpleDB  Xexclude from comparison
DescriptionOLTP - DBMS for mainframes and Linux/Unix/Windows environments infoused typically together with the Natural programming platformJavaScript DBMS libraryHosted simple database service by Amazon, with the data stored in the Amazon Cloud. infoThere is an unrelated product called SimpleDB developed by Edward Sciore
Primary database modelMultivalue DBMSDocument store
Relational DBMS
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.99
Rank#70  Overall
#1  Multivalue DBMS
Score0.40
Rank#218  Overall
#31  Document stores
#105  Relational DBMS
Score2.19
Rank#103  Overall
#18  Key-value stores
Websitewww.softwareag.com/­corporate/­products/­adabas_natural/­adabas/­default.htmlalasql.orgaws.amazon.com/­simpledb
Technical documentationgithub.com/­agershun/­alasqldocs.aws.amazon.com/­simpledb
DeveloperSoftware AGAndrey Gershun & Mathias R. WulffAmazon
Initial release197120142007
License infoCommercial or Open SourcecommercialOpen Source infoMIT-Licensecommercial
Cloud-based only infoOnly available as a cloud servicenonoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScript
Server operating systemsBS2000
Linux
Unix
Windows
z/OS
z/VSE
server-less, requires a JavaScript environment (browser, Node.js)hosted
Data schemeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesnono
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.nono
Secondary indexesyesnoyes infoAll columns are indexed automatically
SQL infoSupport of SQLyes infowith add-on product Adabas SQL GatewayClose to SQL99, but no user access control, stored procedures and host language bindings.no
APIs and other access methodsHTTP API infowith add-on software Adabas SOA Gateway
SOAP-based API infowith add-on software Adabas SOA Gateway
JavaScript APIRESTful HTTP API
Supported programming languagesNaturalJavaScript.Net
C
C++
Erlang
Java
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresin Naturalnono
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesyes, with additonal products like Adabas Cluster Services, Adabas Parallel Services, Adabas Vistanonenone infoSharding must be implemented in the application
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with add-on product Event Replicatornoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneEventual Consistency
Immediate Consistency infocan be specified for read operations
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyes infoonly for local storage and DOM-storageno infoConcurrent data updates can be detected by the application
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlonly with OS-specific tools (e.g. IBM RACF, CA Top Secret)noAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)

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