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DBMS > 4D vs. HyperSQL vs. SwayDB vs. VelocityDB

System Properties Comparison 4D vs. HyperSQL vs. SwayDB vs. VelocityDB

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Editorial information provided by DB-Engines
Name4D infoformer name: 4th Dimension  Xexclude from comparisonHyperSQL infoalso known as HSQLDB  Xexclude from comparisonSwayDB  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionApplication development environment with integrated database management systemMultithreaded, transactional RDBMS written in Java infoalso known as HSQLDBAn embeddable, non-blocking, type-safe key-value store for single or multiple disks and in-memory storageA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelRelational DBMSRelational DBMSKey-value storeGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.47
Rank#110  Overall
#54  Relational DBMS
Score3.23
Rank#93  Overall
#48  Relational DBMS
Score0.04
Rank#387  Overall
#61  Key-value stores
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Websitewww.4d.comhsqldb.orgswaydb.simer.auvelocitydb.com
Technical documentationdeveloper.4d.comhsqldb.org/­web/­hsqlDocsFrame.htmlvelocitydb.com/­UserGuide
Developer4D, IncSimer PlahaVelocityDB Inc
Initial release1984200120182011
Current releasev20, April 20232.7.2, June 20237.x
License infoCommercial or Open SourcecommercialOpen Source infobased on BSD licenseOpen Source infoGNU Affero GPL V3.0commercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScalaC#
Server operating systemsOS X
Windows
All OS with a Java VM infoEmbedded (into Java applications) and Client-Server operating modesAny that supports .NET
Data schemeyesyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesnoyes
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.yesnonono
Secondary indexesyesyesnoyes
SQL infoSupport of SQLyes infoclose to SQL 92yesnono
APIs and other access methodsODBC
RESTful HTTP API infoby using 4D Mobile
SOAP webservices
HTTP API infoJDBC via HTTP
JDBC
ODBC
.Net
Supported programming languages4D proprietary IDE
PHP
All languages supporting JDBC/ODBC
Java
Java
Kotlin
Scala
.Net
Server-side scripts infoStored proceduresyesJava, SQLnono
TriggersyesyesnoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesnonenonenoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationnonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDAtomic execution of operationsACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
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.noyesyesyes
User concepts infoAccess controlUsers and groupsfine grained access rights according to SQL-standardnoBased on Windows Authentication

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More resources
4D infoformer name: 4th DimensionHyperSQL infoalso known as HSQLDBSwayDBVelocityDB
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