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DBMS > 4D vs. LMDB vs. Oracle Coherence

System Properties Comparison 4D vs. LMDB vs. Oracle Coherence

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Editorial information provided by DB-Engines
Name4D infoformer name: 4th Dimension  Xexclude from comparisonLMDB  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionApplication development environment with integrated database management systemA high performant, light-weight, embedded key-value database libraryOracles in-memory data grid solution
Primary database modelRelational DBMSKey-value storeKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.02
Rank#115  Overall
#56  Relational DBMS
Score1.88
Rank#123  Overall
#20  Key-value stores
Score1.69
Rank#130  Overall
#22  Key-value stores
Websitewww.4d.comwww.symas.com/­symas-embedded-database-lmdbwww.oracle.com/­java/­coherence
Technical documentationdeveloper.4d.comwww.lmdb.tech/­docdocs.oracle.com/­en/­middleware/­standalone/­coherence
Developer4D, IncSymasOracle
Initial release198420112007
Current releasev20, April 20230.9.32, January 202414.1, August 2023
License infoCommercial or Open SourcecommercialOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCJava
Server operating systemsOS X
Windows
Linux
Unix
Windows
All OS with a Java VM
Data schemeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesyes
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.yesnono
Secondary indexesyesnono
SQL infoSupport of SQLyes infoclose to SQL 92nono
APIs and other access methodsODBC
RESTful HTTP API infoby using 4D Mobile
SOAP webservices
JCache
JPA
RESTful HTTP API
Supported programming languages4D proprietary IDE
PHP
.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
.Net
C++
Java
Server-side scripts infoStored proceduresyesnono
Triggersyesnoyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesnonenoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationnoneyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlUsers and groupsnoauthentification to access the cache via certificates or http basic authentication

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More resources
4D infoformer name: 4th DimensionLMDBOracle Coherence
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