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DBMS > IBM Db2 warehouse vs. OpenTSDB vs. TerminusDB vs. Transwarp Hippo vs. VelocityDB

System Properties Comparison IBM Db2 warehouse vs. OpenTSDB vs. TerminusDB vs. Transwarp Hippo vs. VelocityDB

Editorial information provided by DB-Engines
NameIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonOpenTSDB  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonTranswarp Hippo  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionCloud-based data warehousing serviceScalable Time Series DBMS based on HBaseScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationshipsCloud-native distributed Vector DBMS that supports storage, retrieval, and management of massive vector-based datasetsA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelRelational DBMSTime Series DBMSGraph DBMSVector DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.37
Rank#160  Overall
#74  Relational DBMS
Score1.68
Rank#142  Overall
#12  Time Series DBMS
Score0.23
Rank#316  Overall
#27  Graph DBMS
Score0.05
Rank#386  Overall
#14  Vector DBMS
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Websitewww.ibm.com/­products/­db2/­warehouseopentsdb.netterminusdb.comwww.transwarp.cn/­en/­subproduct/­hippovelocitydb.com
Technical documentationopentsdb.net/­docs/­build/­html/­index.htmlterminusdb.github.io/­terminusdb/­#velocitydb.com/­UserGuide
DeveloperIBMcurrently maintained by Yahoo and other contributorsDataChemist Ltd.VelocityDB Inc
Initial release20142011201820232011
Current release11.0.0, January 20231.0, May 20237.x
License infoCommercial or Open SourcecommercialOpen Source infoLGPLOpen Source infoGPL V3commercialcommercial
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaProlog, RustC++C#
Server operating systemshostedLinux
Windows
LinuxLinux
macOS
Any that supports .NET
Data schemeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesnumeric data for metrics, strings for tagsyesVector, Numeric and Stringyes
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.no infoImport/export of XML data possiblenononono
Secondary indexesyesnonoyes
SQL infoSupport of SQLyesnoSQL-like query language (WOQL)nono
APIs and other access methods.NET Client API
JDBC
ODBC
OLE DB
HTTP API
Telnet API
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
RESTful HTTP API.Net
Supported programming languagesJava
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Erlang
Go
Java
Python
R
Ruby
JavaScript
Python
C++
Java
Python
.Net
Server-side scripts infoStored proceduresPL/SQL, SQL PLnoyesnono
TriggersyesnoyesnoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infobased on HBaseGraph PartitioningShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesselectable replication factor infobased on HBaseJournaling Streams
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 integrityyesnoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyes infoin-memory journalingyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardnoRole-based access controlRole based access control and fine grained access rightsBased on Windows Authentication

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More resources
IBM Db2 warehouse infoformerly named IBM dashDBOpenTSDBTerminusDB infoformer name was DataChemistTranswarp HippoVelocityDB
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