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DBMS > EJDB vs. IBM Db2 warehouse vs. Newts vs. StarRocks vs. STSdb

System Properties Comparison EJDB vs. IBM Db2 warehouse vs. Newts vs. StarRocks vs. STSdb

Editorial information provided by DB-Engines
NameEJDB  Xexclude from comparisonIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonNewts  Xexclude from comparisonStarRocks  Xexclude from comparisonSTSdb  Xexclude from comparison
DescriptionEmbeddable document-store database library with JSON representation of queries (in MongoDB style)Cloud-based data warehousing serviceTime Series DBMS based on CassandraAn open source, high-performance columnar analytical database that enables real-time, multi-dimensional, and highly concurrent data analytics infoForked from Apache DorisKey-Value Store with special method for indexing infooptimized for high performance using a special indexing method
Primary database modelDocument storeRelational DBMSTime Series DBMSRelational DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.31
Rank#296  Overall
#44  Document stores
Score1.37
Rank#160  Overall
#74  Relational DBMS
Score0.07
Rank#375  Overall
#41  Time Series DBMS
Score0.93
Rank#198  Overall
#93  Relational DBMS
Score0.10
Rank#357  Overall
#51  Key-value stores
Websitegithub.com/­Softmotions/­ejdbwww.ibm.com/­products/­db2/­warehouseopennms.github.io/­newtswww.starrocks.iogithub.com/­STSSoft/­STSdb4
Technical documentationgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mdgithub.com/­OpenNMS/­newts/­wikidocs.starrocks.io/­en-us/­latest/­introduction/­StarRocks_intro
DeveloperSoftmotionsIBMOpenNMS GroupThe Linux Foundation infosince Feb 2023STS Soft SC
Initial release20122014201420202011
Current release2.5.3, March 20234.0.8, September 2015
License infoCommercial or Open SourceOpen Source infoGPLv2commercialOpen Source infoApache 2.0Open Source infoApache Version 2.0Open Source infoGPLv2, commercial license available
Cloud-based only infoOnly available as a cloud servicenoyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCJavaC++, JavaC#
Server operating systemsserver-lesshostedLinux
OS X
Windows
LinuxWindows
Data schemeschema-freeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyes infostring, integer, double, bool, date, object_idyesyesyesyes infoprimitive types and user defined types (classes)
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.no infoImport/export of XML data possiblenono
Secondary indexesnoyesnoyesno
SQL infoSupport of SQLnoyesnoyesno
APIs and other access methodsin-process shared library.NET Client API
JDBC
ODBC
OLE DB
HTTP REST
Java API
JDBC
MySQL protocol
.NET Client API
Supported programming languagesActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
JavaJavaC#
Java
Server-side scripts infoStored proceduresnoPL/SQL, SQL PLnouser defined functionsno
Triggersnoyesnonono
Partitioning methods infoMethods for storing different data on different nodesnoneShardingSharding infobased on Cassandrahorizontal partitioning (by range and hash)none
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesselectable replication factor infobased on Cassandranone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
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 integrityno infotypically not needed, however similar functionality with collection joins possibleyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnonono
Concurrency infoSupport for concurrent manipulation of datayes infoRead/Write Lockingyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnono
User concepts infoAccess controlnofine grained access rights according to SQL-standardnoRole based access control and fine grained access rightsno

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More resources
EJDBIBM Db2 warehouse infoformerly named IBM dashDBNewtsStarRocksSTSdb
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