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DBMS > LMDB vs. PostGIS vs. RisingWave vs. Trafodion

System Properties Comparison LMDB vs. PostGIS vs. RisingWave vs. Trafodion

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Editorial information provided by DB-Engines
NameLMDB  Xexclude from comparisonPostGIS  Xexclude from comparisonRisingWave  Xexclude from comparisonTrafodion  Xexclude from comparison
Apache Trafodion has been retired in 2021. Therefore it is excluded from the DB-Engines Ranking.
DescriptionA high performant, light-weight, embedded key-value database librarySpatial extension of PostgreSQLA distributed RDBMS for stream processing, wire-compatible with PostgreSQLTransactional SQL-on-Hadoop DBMS
Primary database modelKey-value storeSpatial DBMSRelational DBMSRelational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.09
Rank#121  Overall
#20  Key-value stores
Score21.72
Rank#29  Overall
#1  Spatial DBMS
Score0.64
Rank#238  Overall
#110  Relational DBMS
Websitewww.symas.com/­symas-embedded-database-lmdbpostgis.netwww.risingwave.com/­databasetrafodion.apache.org
Technical documentationwww.lmdb.tech/­docpostgis.net/­documentationdocs.risingwave.com/­docs/­current/­introtrafodion.apache.org/­documentation.html
DeveloperSymasRisingWave LabsApache Software Foundation, originally developed by HP
Initial release2011200520222014
Current release0.9.32, January 20243.4.2, February 20241.2, September 20232.3.0, February 2019
License infoCommercial or Open SourceOpen SourceOpen Source infoGPL v2.0Open Source infoApache Version 2.0Open Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCCRustC++, Java
Server operating systemsLinux
Unix
Windows
Docker
Linux
macOS
Linux
Data schemeschema-freeyesyesyes
Typing infopredefined data types such as float or dateyesStandard SQL-types and JSONyes
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.noyesnono
Secondary indexesnoyesyesyes
SQL infoSupport of SQLnoyesyesyes
APIs and other access methodsJDBC
PostgreSQL wire protocol
ADO.NET
JDBC
ODBC
Supported programming languages.Net
C
C++
Clojure
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Nim
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Rust
Swift
Tcl
Go
Java
JavaScript (Node.js)
Python
All languages supporting JDBC/ODBC/ADO.Net
Server-side scripts infoStored proceduresnouser defined functionsUDFs in Python or JavaJava Stored Procedures
Triggersnoyesnono
Partitioning methods infoMethods for storing different data on different nodesnoneyes infobased on PostgreSQLSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes infobased on PostgreSQLyes, via HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyes infovia user defined functions and HBase
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDnoACID
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.yesnoyesno
User concepts infoAccess controlnoyes infobased on PostgreSQLUsers and Rolesfine grained access rights according to SQL-standard

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More resources
LMDBPostGISRisingWaveTrafodion
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