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DBMS > 4D vs. EventStoreDB vs. MaxDB vs. Quasardb

System Properties Comparison 4D vs. EventStoreDB vs. MaxDB vs. Quasardb

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Editorial information provided by DB-Engines
Name4D infoformer name: 4th Dimension  Xexclude from comparisonEventStoreDB  Xexclude from comparisonMaxDB infoformerly named Adabas-D  Xexclude from comparisonQuasardb  Xexclude from comparison
DescriptionApplication development environment with integrated database management systemIndustrial-strength, open-source database solution built from the ground up for event sourcing.A robust and reliable RDBMS optimized to run all major SAP solutionsDistributed, high-performance timeseries database
Primary database modelRelational DBMSEvent StoreRelational DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.37
Rank#110  Overall
#54  Relational DBMS
Score1.07
Rank#181  Overall
#1  Event Stores
Score2.15
Rank#115  Overall
#55  Relational DBMS
Score0.13
Rank#332  Overall
#28  Time Series DBMS
Websitewww.4d.comwww.eventstore.commaxdb.sap.comquasar.ai
Technical documentationdeveloper.4d.comdevelopers.eventstore.commaxdb.sap.com/­documentationdoc.quasar.ai/­master
Developer4D, IncEvent Store LimitedSAP, acquired from Software AG (Adabas-D) in 1997quasardb
Initial release1984201219842009
Current releasev20, April 202321.2, February 20217.9.10.12, February 20243.14.1, January 2024
License infoCommercial or Open SourcecommercialOpen Sourcecommercial infoLimited community edition freecommercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licenses
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++C++
Server operating systemsOS X
Windows
Linux
Windows
AIX
HP-UX
Linux
Solaris
Windows
BSD
Linux
OS X
Windows
Data schemeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyes infointeger and binary
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 indexesyesyesyes infowith tags
SQL infoSupport of SQLyes infoclose to SQL 92yesSQL-like query language
APIs and other access methodsODBC
RESTful HTTP API infoby using 4D Mobile
SOAP webservices
ADO.NET
JDBC
ODBC
WebDAV
HTTP API
Supported programming languages4D proprietary IDE
PHP
.Net
C#
Java
Perl
PHP
Python
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresyesyesno
Triggersyesyesno
Partitioning methods infoMethods for storing different data on different nodesnonenoneSharding infoconsistent hashing
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationSource-replica replicationSource-replica replication with selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonowith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes infoby using LevelDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes infoTransient mode
User concepts infoAccess controlUsers and groupsfine grained access rights according to SQL-standardCryptographically strong user authentication and audit trail

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More resources
4D infoformer name: 4th DimensionEventStoreDBMaxDB infoformerly named Adabas-DQuasardb
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