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DBMS > OpenTSDB vs. PostGIS vs. Realm vs. searchxml vs. WakandaDB

System Properties Comparison OpenTSDB vs. PostGIS vs. Realm vs. searchxml vs. WakandaDB

Editorial information provided by DB-Engines
NameOpenTSDB  Xexclude from comparisonPostGIS  Xexclude from comparisonRealm  Xexclude from comparisonsearchxml  Xexclude from comparisonWakandaDB  Xexclude from comparison
DescriptionScalable Time Series DBMS based on HBaseSpatial extension of PostgreSQLA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataDBMS for structured and unstructured content wrapped with an application serverWakandaDB is embedded in a server that provides a REST API and a server-side javascript engine to access data
Primary database modelTime Series DBMSSpatial DBMSDocument storeNative XML DBMS
Search engine
Object oriented DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.68
Rank#146  Overall
#12  Time Series DBMS
Score22.69
Rank#29  Overall
#1  Spatial DBMS
Score7.60
Rank#52  Overall
#9  Document stores
Score0.00
Rank#383  Overall
#7  Native XML DBMS
#25  Search engines
Score0.03
Rank#364  Overall
#17  Object oriented DBMS
Websiteopentsdb.netpostgis.netrealm.iowww.searchxml.net/­category/­productswakanda.github.io
Technical documentationopentsdb.net/­docs/­build/­html/­index.htmlpostgis.net/­documentationrealm.io/­docswww.searchxml.net/­support/­handoutswakanda.github.io/­doc
Developercurrently maintained by Yahoo and other contributorsRealm, acquired by MongoDB in May 2019informationpartners gmbhWakanda SAS
Initial release20112005201420152012
Current release3.4.2, February 20241.02.7.0 (April 29, 2019), April 2019
License infoCommercial or Open SourceOpen Source infoLGPLOpen Source infoGPL v2.0Open SourcecommercialOpen Source infoAGPLv3, extended commercial license available
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaCC++C++, JavaScript
Server operating systemsLinux
Windows
Android
Backend: server-less
iOS
Windows
WindowsLinux
OS X
Windows
Data schemeschema-freeyesyesschema-freeyes
Typing infopredefined data types such as float or datenumeric data for metrics, strings for tagsyesyesyesyes
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.noyesnoyesno
Secondary indexesnoyesyesyes
SQL infoSupport of SQLnoyesnonono
APIs and other access methodsHTTP API
Telnet API
RESTful HTTP API
WebDAV
XQuery
XSLT
RESTful HTTP API
Supported programming languagesErlang
Go
Java
Python
R
Ruby
.Net
Java infowith Android only
Objective-C
React Native
Swift
C++ infomost other programming languages supported via APIsJavaScript
Server-side scripts infoStored proceduresnouser defined functionsno inforuns within the applications so server-side scripts are unnecessaryyes infoon the application serveryes
Triggersnoyesyes infoChange Listenersnoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on HBaseyes infobased on PostgreSQLnonenonenone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on HBaseyes infobased on PostgreSQLnoneyes infosychronisation to multiple collectionsnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency infobased on HBaseImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDmultiple readers, single writerACID
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 realmnono
User concepts infoAccess controlnoyes infobased on PostgreSQLyesDomain, group and role-based access control at the document level and for application servicesyes

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More resources
OpenTSDBPostGISRealmsearchxmlWakandaDB
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