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DBMS > AgensGraph vs. OpenTSDB vs. Realm vs. WakandaDB

System Properties Comparison AgensGraph vs. OpenTSDB vs. Realm vs. WakandaDB

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Editorial information provided by DB-Engines
NameAgensGraph  Xexclude from comparisonOpenTSDB  Xexclude from comparisonRealm  Xexclude from comparisonWakandaDB  Xexclude from comparison
DescriptionMulti-model database supporting relational and graph data models and built upon PostgreSQLScalable 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 DataWakandaDB is embedded in a server that provides a REST API and a server-side javascript engine to access data
Primary database modelGraph DBMS
Relational DBMS
Time Series DBMSDocument storeObject oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.16
Rank#333  Overall
#30  Graph DBMS
#146  Relational DBMS
Score1.73
Rank#147  Overall
#12  Time Series DBMS
Score7.71
Rank#52  Overall
#9  Document stores
Score0.09
Rank#352  Overall
#16  Object oriented DBMS
Websitebitnine.net/­agensgraphopentsdb.netrealm.iowakanda.github.io
Technical documentationbitnine.net/­documentationopentsdb.net/­docs/­build/­html/­index.htmlrealm.io/­docswakanda.github.io/­doc
DeveloperBitnine Global Inc.currently maintained by Yahoo and other contributorsRealm, acquired by MongoDB in May 2019Wakanda SAS
Initial release2016201120142012
Current release2.1, December 20182.7.0 (April 29, 2019), April 2019
License infoCommercial or Open SourceOpen Source infoApache License 2.0Open Source infoLGPLOpen SourceOpen Source infoAGPLv3, extended commercial license available
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCJavaC++, JavaScript
Server operating systemsLinux
OS X
Windows
Linux
Windows
Android
Backend: server-less
iOS
Windows
Linux
OS X
Windows
Data schemedepending on used data modelschema-freeyesyes
Typing infopredefined data types such as float or dateyesnumeric data for metrics, strings for tagsyesyes
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 indexesyesnoyes
SQL infoSupport of SQLyesnonono
APIs and other access methodsCypher Query Language
JDBC
HTTP API
Telnet API
RESTful HTTP API
Supported programming languagesC
Java
JavaScript
Python
Erlang
Go
Java
Python
R
Ruby
.Net
Java infowith Android only
Objective-C
React Native
Swift
JavaScript
Server-side scripts infoStored proceduresyesnono inforuns within the applications so server-side scripts are unnecessaryyes
Triggersnonoyes infoChange Listenersyes
Partitioning methods infoMethods for storing different data on different nodesno, but can be realized using table inheritanceSharding infobased on HBasenonenone
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationselectable replication factor infobased on HBasenonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency infobased on HBaseImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyesyes
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-standardnoyesyes

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More resources
AgensGraphOpenTSDBRealmWakandaDB
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