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DBMS > FatDB vs. HyperSQL vs. MaxDB

System Properties Comparison FatDB vs. HyperSQL vs. MaxDB

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Editorial information provided by DB-Engines
NameFatDB  Xexclude from comparisonHyperSQL infoalso known as HSQLDB  Xexclude from comparisonMaxDB infoformerly named Adabas-D  Xexclude from comparison
FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.
DescriptionA .NET NoSQL DBMS that can integrate with and extend SQL Server.Multithreaded, transactional RDBMS written in Java infoalso known as HSQLDBA robust and reliable RDBMS optimized to run all major SAP solutions
Primary database modelDocument store
Key-value store
Relational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.23
Rank#93  Overall
#48  Relational DBMS
Score2.26
Rank#114  Overall
#55  Relational DBMS
Websitehsqldb.orgmaxdb.sap.com
Technical documentationhsqldb.org/­web/­hsqlDocsFrame.htmlmaxdb.sap.com/­documentation
DeveloperFatCloudSAP, acquired from Software AG (Adabas-D) in 1997
Initial release201220011984
Current release2.7.2, June 20237.9.10.12, February 2024
License infoCommercial or Open SourcecommercialOpen Source infobased on BSD licensecommercial infoLimited community edition free
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC#JavaC++
Server operating systemsWindowsAll OS with a Java VM infoEmbedded (into Java applications) and Client-Server operating modesAIX
HP-UX
Linux
Solaris
Windows
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or dateyesyesyes
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.nono
Secondary indexesyesyesyes
SQL infoSupport of SQLno infoVia inetgration in SQL Serveryesyes
APIs and other access methods.NET Client API
LINQ
RESTful HTTP API
RPC
Windows WCF Bindings
HTTP API infoJDBC via HTTP
JDBC
ODBC
ADO.NET
JDBC
ODBC
WebDAV
Supported programming languagesC#All languages supporting JDBC/ODBC
Java
.Net
C#
Java
Perl
PHP
Python
Server-side scripts infoStored proceduresyes infovia applicationsJava, SQLyes
Triggersyes infovia applicationsyesyes
Partitioning methods infoMethods for storing different data on different nodesShardingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factornoneSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlno infoCan implement custom security layer via applicationsfine grained access rights according to SQL-standardfine grained access rights according to SQL-standard

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More resources
FatDBHyperSQL infoalso known as HSQLDBMaxDB infoformerly named Adabas-D
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