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DBMS > EJDB vs. Impala vs. JSqlDb vs. Newts

System Properties Comparison EJDB vs. Impala vs. JSqlDb vs. Newts

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Editorial information provided by DB-Engines
NameEJDB  Xexclude from comparisonImpala  Xexclude from comparisonJSqlDb  Xexclude from comparisonNewts  Xexclude from comparison
JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
DescriptionEmbeddable document-store database library with JSON representation of queries (in MongoDB style)Analytic DBMS for HadoopJavaScript Query Language Database, stores JavaScript objects and primitivesTime Series DBMS based on Cassandra
Primary database modelDocument storeRelational DBMSDocument store
Object oriented DBMS
Time Series DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.09
Rank#319  Overall
#42  Document stores
Score17.49
Rank#40  Overall
#25  Relational DBMS
Score0.00
Rank#356  Overall
#32  Time Series DBMS
Websiteejdb.orgwww.cloudera.com/­products/­open-source/­apache-hadoop/­impala.htmljsqldb.org (offline)opennms.github.io/­newts
Technical documentationgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mddocs.cloudera.com/­documentation/­enterprise/­latest/­topics/­impala.htmlgithub.com/­OpenNMS/­newts/­wiki
DeveloperSoftmotionsClouderaKonrad von BackstromOpenNMS Group
Initial release2012201320182014
Current release4.0.0, July 20210.8, December 2018
License infoCommercial or Open SourceOpen Source infoGPLv2Open Source infoApache Version 2Open SourceOpen Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCC++Java
Server operating systemsserver-lessLinuxLinux
macOS
Windows
Linux
OS X
Windows
Data schemeschema-freeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyes infostring, integer, double, bool, date, object_idyesnoyes
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.nonono
Secondary indexesnoyesnono
SQL infoSupport of SQLnoSQL-like DML and DDL statementsnono
APIs and other access methodsin-process shared libraryJDBC
ODBC
HTTP REST
Java API
Supported programming languagesActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
All languages supporting JDBC/ODBCJavaScriptJava
Server-side scripts infoStored proceduresnoyes infouser defined functions and integration of map-reducefunctions in JavaScriptno
Triggersnononono
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnoneSharding infobased on Cassandra
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factornoneselectable replication factor infobased on Cassandra
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infoquery execution via MapReducenono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Foreign keys infoReferential integrityno infotypically not needed, however similar functionality with collection joins possiblenonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonono
Concurrency infoSupport for concurrent manipulation of datayes infoRead/Write Lockingyesyes
Durability infoSupport for making data persistentyesyesyes infousing RocksDByes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlnoAccess rights for users, groups and roles infobased on Apache Sentry and Kerberosno

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More resources
EJDBImpalaJSqlDbNewts
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