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DBMS > 4D vs. Atos Standard Common Repository vs. LMDB vs. searchxml vs. SQL.JS

System Properties Comparison 4D vs. Atos Standard Common Repository vs. LMDB vs. searchxml vs. SQL.JS

Editorial information provided by DB-Engines
Name4D infoformer name: 4th Dimension  Xexclude from comparisonAtos Standard Common Repository  Xexclude from comparisonLMDB  Xexclude from comparisonsearchxml  Xexclude from comparisonSQL.JS  Xexclude from comparison
This system has been discontinued and will be removed from the DB-Engines ranking.
DescriptionApplication development environment with integrated database management systemHighly scalable database system, designed for managing session and subscriber data in modern mobile communication networksA high performant, light-weight, embedded key-value database libraryDBMS for structured and unstructured content wrapped with an application serverPort of SQLite to JavaScript
Primary database modelRelational DBMSDocument store
Key-value store
Key-value storeNative XML DBMS
Search engine
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.58
Rank#108  Overall
#54  Relational DBMS
Score1.99
Rank#125  Overall
#21  Key-value stores
Score0.00
Rank#383  Overall
#7  Native XML DBMS
#25  Search engines
Score0.53
Rank#252  Overall
#116  Relational DBMS
Websitewww.4d.comatos.net/en/convergence-creators/portfolio/standard-common-repositorywww.symas.com/­symas-embedded-database-lmdbwww.searchxml.net/­category/­productssql.js.org
Technical documentationdeveloper.4d.comwww.lmdb.tech/­docwww.searchxml.net/­support/­handoutssql.js.org/­documentation/­index.html
Developer4D, IncAtos Convergence CreatorsSymasinformationpartners gmbhAlon Zakai infoenhancements implemented by others
Initial release19842016201120152012
Current releasev20, April 202317030.9.32, January 20241.0
License infoCommercial or Open SourcecommercialcommercialOpen SourcecommercialOpen Source
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.
Implementation languageJavaCC++JavaScript
Server operating systemsOS X
Windows
LinuxLinux
Unix
Windows
Windowsserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesSchema and schema-less with LDAP viewsschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesoptionalyesyes
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.yesyesnoyesno
Secondary indexesyesyesnoyes
SQL infoSupport of SQLyes infoclose to SQL 92nononoyes infoSQL-92 is not fully supported
APIs and other access methodsODBC
RESTful HTTP API infoby using 4D Mobile
SOAP webservices
LDAPRESTful HTTP API
WebDAV
XQuery
XSLT
JavaScript API
Supported programming languages4D proprietary IDE
PHP
All languages with LDAP bindings.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
C++ infomost other programming languages supported via APIsJavaScript
Server-side scripts infoStored proceduresyesnonoyes infoon the application serverno
Triggersyesyesnonono
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infocell divisionnonenonenone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationyesnoneyes infosychronisation to multiple collectionsnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency or Eventual Consistency depending on configurationImmediate ConsistencyImmediate Consistencynone
Foreign keys infoReferential integrityyesnononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDAtomic execution of specific operationsACIDmultiple readers, single writerACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesno infoexcept by serializing a db to a file
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyesnoyes
User concepts infoAccess controlUsers and groupsLDAP bind authenticationnoDomain, group and role-based access control at the document level and for application servicesno

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More resources
4D infoformer name: 4th DimensionAtos Standard Common RepositoryLMDBsearchxmlSQL.JS
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