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DBMS > MaxDB vs. OpenTSDB vs. Realm vs. STSdb vs. WakandaDB

System Properties Comparison MaxDB vs. OpenTSDB vs. Realm vs. STSdb vs. WakandaDB

Editorial information provided by DB-Engines
NameMaxDB infoformerly named Adabas-D  Xexclude from comparisonOpenTSDB  Xexclude from comparisonRealm  Xexclude from comparisonSTSdb  Xexclude from comparisonWakandaDB  Xexclude from comparison
DescriptionA robust and reliable RDBMS optimized to run all major SAP solutionsScalable Time Series DBMS based on HBaseA 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 methodWakandaDB is embedded in a server that provides a REST API and a server-side javascript engine to access data
Primary database modelRelational DBMSTime Series DBMSDocument storeKey-value storeObject oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.32
Rank#112  Overall
#55  Relational DBMS
Score1.68
Rank#146  Overall
#12  Time Series DBMS
Score7.60
Rank#52  Overall
#9  Document stores
Score0.04
Rank#360  Overall
#52  Key-value stores
Score0.03
Rank#364  Overall
#17  Object oriented DBMS
Websitemaxdb.sap.comopentsdb.netrealm.iogithub.com/­STSSoft/­STSdb4wakanda.github.io
Technical documentationmaxdb.sap.com/­documentationopentsdb.net/­docs/­build/­html/­index.htmlrealm.io/­docswakanda.github.io/­doc
DeveloperSAP, acquired from Software AG (Adabas-D) in 1997currently maintained by Yahoo and other contributorsRealm, acquired by MongoDB in May 2019STS Soft SCWakanda SAS
Initial release19842011201420112012
Current release7.9.10.12, February 20244.0.8, September 20152.7.0 (April 29, 2019), April 2019
License infoCommercial or Open Sourcecommercial infoLimited community edition freeOpen Source infoLGPLOpen SourceOpen Source infoGPLv2, commercial license availableOpen Source infoAGPLv3, extended commercial license available
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++JavaC#C++, JavaScript
Server operating systemsAIX
HP-UX
Linux
Solaris
Windows
Linux
Windows
Android
Backend: server-less
iOS
Windows
WindowsLinux
OS X
Windows
Data schemeyesschema-freeyesyesyes
Typing infopredefined data types such as float or dateyesnumeric data for metrics, strings for tagsyesyes infoprimitive types and user defined types (classes)yes
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.nononono
Secondary indexesyesnoyesno
SQL infoSupport of SQLyesnononono
APIs and other access methodsADO.NET
JDBC
ODBC
WebDAV
HTTP API
Telnet API
.NET Client APIRESTful HTTP API
Supported programming languages.Net
C#
Java
Perl
PHP
Python
Erlang
Go
Java
Python
R
Ruby
.Net
Java infowith Android only
Objective-C
React Native
Swift
C#
Java
JavaScript
Server-side scripts infoStored proceduresyesnono inforuns within the applications so server-side scripts are unnecessarynoyes
Triggersyesnoyes infoChange Listenersnoyes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infobased on HBasenonenonenone
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationselectable replication factor infobased on HBasenonenonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency infobased on HBaseImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
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.nonoyes infoIn-Memory realmno
User concepts infoAccess controlfine grained access rights according to SQL-standardnoyesnoyes

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More resources
MaxDB infoformerly named Adabas-DOpenTSDBRealmSTSdbWakandaDB
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