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DBMS > EJDB vs. IBM Cloudant vs. MaxDB vs. OpenEdge

System Properties Comparison EJDB vs. IBM Cloudant vs. MaxDB vs. OpenEdge

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Editorial information provided by DB-Engines
NameEJDB  Xexclude from comparisonIBM Cloudant  Xexclude from comparisonMaxDB infoformerly named Adabas-D  Xexclude from comparisonOpenEdge  Xexclude from comparison
DescriptionEmbeddable document-store database library with JSON representation of queries (in MongoDB style)Database as a Service offering based on Apache CouchDBA robust and reliable RDBMS optimized to run all major SAP solutionsApplication development environment with integrated database management system
Primary database modelDocument storeDocument storeRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.27
Rank#297  Overall
#44  Document stores
Score2.68
Rank#106  Overall
#20  Document stores
Score2.32
Rank#112  Overall
#55  Relational DBMS
Score3.51
Rank#86  Overall
#46  Relational DBMS
Websitegithub.com/­Softmotions/­ejdbwww.ibm.com/­products/­cloudantmaxdb.sap.comwww.progress.com/­openedge
Technical documentationgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mdcloud.ibm.com/­docs/­Cloudantmaxdb.sap.com/­documentationdocumentation.progress.com/­output/­ua/­OpenEdge_latest
DeveloperSoftmotionsIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014SAP, acquired from Software AG (Adabas-D) in 1997Progress Software Corporation
Initial release2012201019841984
Current release7.9.10.12, February 2024OpenEdge 12.2, March 2020
License infoCommercial or Open SourceOpen Source infoGPLv2commercialcommercial infoLimited community edition freecommercial
Cloud-based only infoOnly available as a cloud servicenoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCErlangC++
Server operating systemsserver-lesshostedAIX
HP-UX
Linux
Solaris
Windows
AIX
HP-UX
Linux
Solaris
Windows
Data schemeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or dateyes infostring, integer, double, bool, date, object_idnoyesyes
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.nonoyes
Secondary indexesnoyesyesyes
SQL infoSupport of SQLnonoyesyes infoclose to SQL 92
APIs and other access methodsin-process shared libraryRESTful HTTP/JSON APIADO.NET
JDBC
ODBC
WebDAV
JDBC
ODBC
Supported programming languagesActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
C#
Java
JavaScript
Objective-C
PHP
Ruby
.Net
C#
Java
Perl
PHP
Python
Progress proprietary ABL (Advanced Business Language)
Server-side scripts infoStored proceduresnoView functions (Map-Reduce) in JavaScriptyesyes
Triggersnoyesyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnonehorizontal partitioning infosince Version 11.4
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-source replication
Source-replica replication
Source-replica replicationSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityno infotypically not needed, however similar functionality with collection joins possiblenoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a document possibleACIDACID
Concurrency infoSupport for concurrent manipulation of datayes infoRead/Write Lockingyes infoOptimistic lockingyesyes
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.nonono
User concepts infoAccess controlnoAccess rights for users can be defined per databasefine grained access rights according to SQL-standardUsers and groups

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More resources
EJDBIBM CloudantMaxDB infoformerly named Adabas-DOpenEdge
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