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DBMS > 4D vs. Lovefield vs. Newts vs. Tkrzw

System Properties Comparison 4D vs. Lovefield vs. Newts vs. Tkrzw

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Editorial information provided by DB-Engines
Name4D infoformer name: 4th Dimension  Xexclude from comparisonLovefield  Xexclude from comparisonNewts  Xexclude from comparisonTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet  Xexclude from comparison
DescriptionApplication development environment with integrated database management systemEmbeddable relational database for web apps written in pure JavaScriptTime Series DBMS based on CassandraA concept of libraries, allowing an application program to store and query key-value pairs in a file. Successor of Tokyo Cabinet and Kyoto Cabinet
Primary database modelRelational DBMSRelational DBMSTime Series DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.47
Rank#110  Overall
#54  Relational DBMS
Score0.33
Rank#286  Overall
#131  Relational DBMS
Score0.07
Rank#375  Overall
#41  Time Series DBMS
Score0.07
Rank#372  Overall
#57  Key-value stores
Websitewww.4d.comgoogle.github.io/­lovefieldopennms.github.io/­newtsdbmx.net/­tkrzw
Technical documentationdeveloper.4d.comgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mdgithub.com/­OpenNMS/­newts/­wiki
Developer4D, IncGoogleOpenNMS GroupMikio Hirabayashi
Initial release1984201420142020
Current releasev20, April 20232.1.12, February 20170.9.3, August 2020
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0Open Source infoApache 2.0Open Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptJavaC++
Server operating systemsOS X
Windows
server-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, SafariLinux
OS X
Windows
Linux
macOS
Data schemeyesyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesyesno
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 indexesyesyesno
SQL infoSupport of SQLyes infoclose to SQL 92SQL-like query language infovia JavaScript builder patternnono
APIs and other access methodsODBC
RESTful HTTP API infoby using 4D Mobile
SOAP webservices
HTTP REST
Java API
Supported programming languages4D proprietary IDE
PHP
JavaScriptJavaC++
Java
Python
Ruby
Server-side scripts infoStored proceduresyesnonono
TriggersyesUsing read-only observersnono
Partitioning methods infoMethods for storing different data on different nodesnonenoneSharding infobased on Cassandranone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationnoneselectable replication factor infobased on Cassandranone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency
Foreign keys infoReferential integrityyesyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes, by using IndexedDB or the cloud service Firebase Realtime Databaseyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infousing MemoryDBnoyes infousing specific database classes
User concepts infoAccess controlUsers and groupsnonono

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More resources
4D infoformer name: 4th DimensionLovefieldNewtsTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet
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