DBMS > Apache Jena - TDB vs. Firebase Realtime Database vs. KairosDB

System Properties Comparison Apache Jena - TDB vs. Firebase Realtime Database vs. KairosDB

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Name

Description

A RDF storage and query DBMS, shipped as an optional-use component of the Apache Jena framework

Cloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.

Distributed Time Series DBMS based on Cassandra or H2

Primary database model

RDF store

Document store

Time Series DBMS

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	2.85
Rank	#88	Overall
	#3	RDF stores

Score	13.11
Rank	#39	Overall
	#6	Document stores

Score	0.57
Rank	#237	Overall
	#20	Time Series DBMS

Website

jena.apache.org/documentation/tdb/index.html

firebase.google.com/products/realtime-database

github.com/kairosdb/kairosdb

Technical documentation

jena.apache.org/documentation/tdb/index.html

firebase.google.com/docs/database

kairosdb.github.io

Developer

Apache Software Foundation

originally developed by HP Labs

Google

acquired by Google 2014

Initial release

2000

2012

2013

Current release

4.9.0, July 2023

1.2.2, November 2018

License

Commercial or Open Source

Open Source

Apache License, Version 2.0

commercial

Open Source

Apache 2.0

Cloud-based only

Only available as a cloud service

yes

DBaaS offerings (sponsored links)

Database as a Service

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Implementation language

Java

Server operating systems

All OS with a Java VM

hosted

Linux
OS X
Windows

Data scheme

yes

RDF Schemas

schema-free

Typing

predefined data types such as float or date

yes

XML support

Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.

Secondary indexes

yes

SQL

Support of SQL

APIs and other access methods

Fuseki

REST-style SPARQL HTTP Interface
Jena RDF API
RIO

RDF Input/Output

Android
iOS
JavaScript API
RESTful HTTP API

Graphite protocol
HTTP REST
Telnet API

Supported programming languages

Java

Java
JavaScript
Objective-C

Java
JavaScript

Node.js
PHP
Python

Server-side scripts

Stored procedures

yes

limited functionality with using 'rules'

Triggers

yes

via event handler

Callbacks are triggered when data changes

Partitioning methods

Methods for storing different data on different nodes

none

Sharding

based on Cassandra

Replication methods

Methods for redundantly storing data on multiple nodes

none

selectable replication factor

based on Cassandra

MapReduce

Offers an API for user-defined Map/Reduce methods

Consistency concepts

Methods to ensure consistency in a distributed system

Eventual Consistency

if the client is offline
Immediate Consistency

if the client is online

Eventual Consistency

based on Cassandra
Immediate Consistency

based on Cassandra

Foreign keys

Referential integrity

Transaction concepts

Support to ensure data integrity after non-atomic manipulations of data

ACID

TDB Transactions

yes

Concurrency

Support for concurrent manipulation of data

yes

Durability

Support for making data persistent

yes

In-memory capabilities

Is there an option to define some or all structures to be held in-memory only.

User concepts

Access control

Access control via Jena Security

yes, based on authentication and database rules

simple password-based access control

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