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DBMS > Atos Standard Common Repository vs. FatDB vs. OpenTSDB vs. SQL.JS

System Properties Comparison Atos Standard Common Repository vs. FatDB vs. OpenTSDB vs. SQL.JS

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Editorial information provided by DB-Engines

Name

This system has been discontinued and will be removed from the DB-Engines ranking.

FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.

Description

Highly scalable database system, designed for managing session and subscriber data in modern mobile communication networks

A .NET NoSQL DBMS that can integrate with and extend SQL Server.

Scalable Time Series DBMS based on HBase

Port of SQLite to JavaScript

Primary database model

Document store
Key-value store

Document store
Key-value store

Time Series DBMS

Relational DBMS

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

Score	1.68
Rank	#142	Overall
	#12	Time Series DBMS

Score	0.63
Rank	#241	Overall
	#112	Relational DBMS

Website

atos.net/en/convergence-creators/portfolio/standard-common-repository

Technical documentation

opentsdb.net/docs/build/html/index.html

sql.js.org/documentation/index.html

Developer

Atos Convergence Creators

FatCloud

currently maintained by Yahoo and other contributors

Alon Zakai

enhancements implemented by others

Initial release

2016

2012

2011

2012

Current release

1703

License

Commercial or Open Source

commercial

commercial

Open Source

LGPL

Open Source

Cloud-based only

Only available as a cloud service

no

no

no

no

DBaaS offerings (sponsored links)

Database as a Service

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

Implementation language

Java

C#

Java

JavaScript

Server operating systems

Linux

Windows

Linux
Windows

server-less, requires a JavaScript environment (browser, Node.js)

Data scheme

Schema and schema-less with LDAP views

schema-free

schema-free

yes

Typing

predefined data types such as float or date

optional

yes

numeric data for metrics, strings for tags

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

no

no

Secondary indexes

yes

yes

no

SQL

Support of SQL

no

no

Via inetgration in SQL Server

no

yes

SQL-92 is not fully supported

APIs and other access methods

LDAP

.NET Client API
LINQ
RESTful HTTP API
RPC
Windows WCF Bindings

HTTP API
Telnet API

JavaScript API

Supported programming languages

All languages with LDAP bindings

C#

Erlang
Go
Java
Python
R
Ruby

JavaScript

Server-side scripts

Stored procedures

no

yes

via applications

no

no

Triggers

yes

yes

via applications

no

no

Partitioning methods

Methods for storing different data on different nodes

Sharding

cell division

Sharding

Sharding

based on HBase

none

Replication methods

Methods for redundantly storing data on multiple nodes

yes

selectable replication factor

selectable replication factor

based on HBase

none

MapReduce

Offers an API for user-defined Map/Reduce methods

yes

no

no

Consistency concepts

Methods to ensure consistency in a distributed system

Immediate Consistency or Eventual Consistency depending on configuration

Eventual Consistency
Immediate Consistency

Immediate Consistency

based on HBase

none

Foreign keys

Referential integrity

no

no

no

yes

Transaction concepts

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

Atomic execution of specific operations

no

no

ACID

Concurrency

Support for concurrent manipulation of data

yes

yes

yes

Durability

Support for making data persistent

yes

yes

yes

no

except by serializing a db to a file

In-memory capabilities

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

yes

no

yes

User concepts

Access control

LDAP bind authentication

no

Can implement custom security layer via applications

no

no

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More resources

DB-Engines blog posts

Time Series DBMS are the database category with the fastest increase in popularity
4 July 2016, Matthias Gelbmann

New kids on the block: database management systems implemented in JavaScript
1 December 2014, Matthias Gelbmann

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