DBMS > Firebase Realtime Database vs. RethinkDB vs. Snowflake vs. TDengine

System Properties Comparison Firebase Realtime Database vs. RethinkDB vs. Snowflake vs. TDengine

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Editorial information provided by DB-Engines

Name

Description

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

DBMS for the Web with a mechanism to push updated query results to applications in realtime.

Cloud-based data warehousing service for structured and semi-structured data

Time Series DBMS and big data platform

Primary database model

Document store

Relational DBMS

Time Series DBMS

Secondary database models

Spatial DBMS

Relational DBMS

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

Score	18.80
Rank	#38	Overall
	#6	Document stores

Score	3.38
Rank	#98	Overall
	#19	Document stores

Score	103.12
Rank	#13	Overall
	#9	Relational DBMS

Score	1.13
Rank	#166	Overall
	#13	Time Series DBMS

Website

firebase.google.com/products/realtime-database

rethinkdb.com

www.snowflake.com

github.com/taosdata/TDengine
tdengine.com

Technical documentation

firebase.google.com/docs/database

rethinkdb.com/docs

docs.snowflake.net/manuals/index.html

www.taosdata.com/en/documentation

Developer

Google

acquired by Google 2014

The Linux Foundation

since July 2017

Snowflake Computing Inc.

Taos Data

Initial release

2012

2009

2014

2019

Current release

2.4.1, August 2020

License

Commercial or Open Source

commercial

Open Source

Apache Version 2

commercial

Open Source

GPL V3, also commercial editions available

Cloud-based only

Only available as a cloud service

yes

DBaaS offerings (sponsored links)

Database as a Service

Providers of DBaaS offerings, please contact us to be listed.

Implementation language

C++

Server operating systems

hosted

Linux
OS X
Windows

hosted

Linux

Data scheme

schema-free

yes

support of semi-structured data formats (JSON, XML, Avro)

yes

Typing

predefined data types such as float or date

yes

string, binary, float, bool, date, geometry

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.

yes

Secondary indexes

yes

SQL

Support of SQL

yes

SQL-like query language

APIs and other access methods

Android
iOS
JavaScript API
RESTful HTTP API

CLI Client
JDBC
ODBC

JDBC
RESTful HTTP API

Supported programming languages

Java
JavaScript
Objective-C

community-supported driver
C#

community-supported driver
C++

community-supported driver
Clojure

community-supported driver
Dart

community-supported driver
Erlang

community-supported driver
Go

community-supported driver
Haskell

community-supported driver
Java

official driver
JavaScript (Node.js)

official driver
Lisp

community-supported driver
Lua

community-supported driver
Objective-C

community-supported driver
Perl

community-supported driver
PHP

community-supported driver
Python

official driver
Ruby

official driver
Scala

community-supported driver

JavaScript (Node.js)
Python

.Net
C
C++
Go
Java
JavaScript (Node.js)
Lua
Python
Rust

Server-side scripts

Stored procedures

limited functionality with using 'rules'

user defined functions

Triggers

Callbacks are triggered when data changes

Client-side triggers through changefeeds

similar concept for controling cloud resources

yes, via alarm monitoring

Partitioning methods

Methods for storing different data on different nodes

Sharding

range based

yes

Sharding

Replication methods

Methods for redundantly storing data on multiple nodes

Source-replica replication

yes

MapReduce

Offers an API for user-defined Map/Reduce methods

yes

Consistency concepts

Methods to ensure consistency in a distributed system

Eventual Consistency

if the client is offline
Immediate Consistency

if the client is online

Immediate Consistency

Foreign keys

Referential integrity

yes

Transaction concepts

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

yes

Atomic single-document operations

ACID

Concurrency

Support for concurrent manipulation of data

yes

MVCC based

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

yes, based on authentication and database rules

yes

users and table-level permissions

Users with fine-grained authorization concept, user roles and pluggable authentication

yes

More information provided by the system vendor

Specific characteristics

One of the modules of TDengine is the time-series database. However, in addition...
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Competitive advantages

Performance improvement over 10 times: An innovative data storage structure is defined,...
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Typical application scenarios

IT Infrastructure, Servers and Applications Monitoring Internet of Cars, Trucks,...
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Market metrics

Fastest growing database With more than 15,500 stars on GitHub
» more

Licensing and pricing models

Open Source (AGPL v3) Enterprise / Cloud (https://www.taosdata.com/en/support/)
» more

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