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DBMS > Cassandra vs. H2 vs. JanusGraph vs. Microsoft SQL Server vs. RRDtool

System Properties Comparison Cassandra vs. H2 vs. JanusGraph vs. Microsoft SQL Server vs. RRDtool

Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonH2  Xexclude from comparisonJanusGraph infosuccessor of Titan  Xexclude from comparisonMicrosoft SQL Server  Xexclude from comparisonRRDtool  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessFull-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.A Graph DBMS optimized for distributed clusters infoIt was forked from the latest code base of Titan in January 2017Microsofts flagship relational DBMSIndustry standard data logging and graphing tool for time series data. RRD is an acronym for round-robin database. infoThe data is stored in a circular buffer, thus the system storage footprint remains constant over time.
Primary database modelWide column storeRelational DBMSGraph DBMSRelational DBMSTime Series DBMS
Secondary database modelsVector DBMS infostarting with release V5Spatial DBMSDocument store
Graph DBMS
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score101.89
Rank#12  Overall
#1  Wide column stores
Score8.13
Rank#49  Overall
#31  Relational DBMS
Score1.94
Rank#129  Overall
#12  Graph DBMS
Score824.29
Rank#3  Overall
#3  Relational DBMS
Score1.87
Rank#136  Overall
#11  Time Series DBMS
Websitecassandra.apache.orgwww.h2database.comjanusgraph.orgwww.microsoft.com/­en-us/­sql-serveross.oetiker.ch/­rrdtool
Technical documentationcassandra.apache.org/­doc/­latestwww.h2database.com/­html/­main.htmldocs.janusgraph.orglearn.microsoft.com/­en-US/­sql/­sql-serveross.oetiker.ch/­rrdtool/­doc
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookThomas MuellerLinux Foundation; originally developed as Titan by AureliusMicrosoftTobias Oetiker
Initial release20082005201719891999
Current release4.1.3, July 20232.2.220, July 20230.6.3, February 2023SQL Server 2022, November 20221.8.0, 2022
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infodual-licence (Mozilla public license, Eclipse public license)Open Source infoApache 2.0commercial inforestricted free version is availableOpen Source infoGPL V2 and FLOSS
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.
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Implementation languageJavaJavaJavaC++C infoImplementations in Java (e.g. RRD4J) and C# available
Server operating systemsBSD
Linux
OS X
Windows
All OS with a Java VMLinux
OS X
Unix
Windows
Linux
Windows
HP-UX
Linux
Data schemeschema-freeyesyesyesyes
Typing infopredefined data types such as float or dateyesyesyesyesNumeric data only
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.nononoyesno infoExporting into and restoring from XML files possible
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyesyesyesno
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)yesnoyesno
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
JDBC
ODBC
Java API
TinkerPop Blueprints
TinkerPop Frames
TinkerPop Gremlin
TinkerPop Rexster
ADO.NET
JDBC
ODBC
OLE DB
Tabular Data Stream (TDS)
in-process shared library
Pipes
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
JavaClojure
Java
Python
C#
C++
Delphi
Go
Java
JavaScript (Node.js)
PHP
Python
R
Ruby
Visual Basic
C infowith librrd library
C# infowith a different implementation of RRDTool
Java infowith a different implementation of RRDTool
JavaScript (Node.js) infowith a different implementation of RRDTool
Lua
Perl
PHP infowith a wrapper library
Python
Ruby
Server-side scripts infoStored proceduresnoJava Stored Procedures and User-Defined FunctionsyesTransact SQL, .NET languages, R, Python and (with SQL Server 2019) Javano
Triggersyesyesyesyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"noneyes infodepending on the used storage backend (e.g. Cassandra, HBase, BerkeleyDB)tables can be distributed across several files (horizontal partitioning); sharding through federationnone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleWith clustering: 2 database servers on different computers operate on identical copies of a databaseyesyes, but depending on the SQL-Server Editionnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnoyes infovia Faunus, a graph analytics enginenono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistencynone
Foreign keys infoReferential integritynoyesyes infoRelationships in graphsyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsACIDACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yesyesyes infoby using the rrdcached daemon
Durability infoSupport for making data persistentyesyesyes infoSupports various storage backends: Cassandra, HBase, Berkeley DB, Akiban, Hazelcastyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyesyes
User concepts infoAccess controlAccess rights for users can be defined per objectfine grained access rights according to SQL-standardUser authentification and security via Rexster Graph Serverfine grained access rights according to SQL-standardno
More information provided by the system vendor
CassandraH2JanusGraph infosuccessor of TitanMicrosoft SQL ServerRRDtool
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
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Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
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Market metricsCassandra is used by 40% of the Fortune 100.
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Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
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