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DBMS > DuckDB vs. H2 vs. NSDb

System Properties Comparison DuckDB vs. H2 vs. NSDb

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Editorial information provided by DB-Engines
NameDuckDB  Xexclude from comparisonH2  Xexclude from comparisonNSDb  Xexclude from comparison
DescriptionAn embeddable, in-process, column-oriented SQL OLAP RDBMSFull-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.Scalable, High-performance Time Series DBMS designed for Real-time Analytics on top of Kubernetes
Primary database modelRelational DBMSRelational DBMSTime Series DBMS
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.18
Rank#291  Overall
#135  Relational DBMS
Score9.72
Rank#47  Overall
#30  Relational DBMS
Score0.00
Rank#350  Overall
#33  Time Series DBMS
Websiteduckdb.orgwww.h2database.comnsdb.io
Technical documentationduckdb.org/­docswww.h2database.com/­html/­main.htmlnsdb.io/­Architecture
DeveloperThomas Mueller
Initial release201820052017
Current release0.2, August 20201.4.200, October 2019
License infoCommercial or Open SourceOpen Source infoMIT LicenseOpen Source infodual-licence (Mozilla public license, Eclipse public license)Open Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++JavaJava, Scala
Server operating systemsserver-lessAll OS with a Java VMLinux
macOS
Data schemeyesyes
Typing infopredefined data types such as float or dateyesyesyes: int, bigint, decimal, string
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.nonono
Secondary indexesyesyesall fields are automatically indexed
SQL infoSupport of SQLyesyesSQL-like query language
APIs and other access methodsCLI Client
JDBC
JDBC
ODBC
gRPC
HTTP REST
WebSocket
Supported programming languagesC
C++
Go info3rd party driver
Java
Python
R
Ruby info3rd party driver
JavaJava
Scala
Server-side scripts infoStored proceduresnoJava Stored Procedures and User-Defined Functionsno
Triggersnoyes
Partitioning methods infoMethods for storing different data on different nodesnonenoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneWith clustering: 2 database servers on different computers operate on identical copies of a database
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyesUsing Apache Lucene
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlnofine grained access rights according to SQL-standard

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More resources
DuckDBH2NSDb
Recent citations in the news

New CWI spin-off company DuckDB Labs: Solutions for fast database analytics
14 July 2021, Centrum Wiskunde & Informatica (CWI)

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