DBMS > Bangdb vs. EJDB vs. LokiJS vs. ScyllaDB

System Properties Comparison Bangdb vs. EJDB vs. LokiJS vs. ScyllaDB

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Editorial information provided by DB-Engines

Name

Description

Converged and high performance database for device data, events, time series, document and graph

Embeddable document-store database library with JSON representation of queries (in MongoDB style)

In-memory JavaScript DBMS

Cassandra and DynamoDB compatible wide column store

Primary database model

Document store
Graph DBMS
Time Series DBMS

Document store

Key-value store
Wide column store

Secondary database models

Spatial DBMS

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

Score	0.04
Rank	#332	Overall
	#45	Document stores
	#34	Graph DBMS
	#29	Time Series DBMS

Score	0.10
Rank	#314	Overall
	#41	Document stores

Score	0.57
Rank	#228	Overall
	#34	Document stores

Score	3.75
Rank	#90	Overall
	#16	Key-value stores
	#8	Wide column stores

Website

bangdb.com

ejdb.org

github.com/techfort/LokiJS

www.scylladb.com

Technical documentation

bangdb.com/developer

github.com/Softmotions/ejdb/blob/master/README.md

techfort.github.io/LokiJS

docs.scylladb.com

Developer

Sachin Sinha, BangDB

Softmotions

ScyllaDB

Initial release

2012

2014

2015

Current release

BangDB 2.0, October 2021

Scylla Open Source 4.6, March 2022

License

Commercial or Open Source

Open Source

BSD 3

Open Source

GPLv2

Open Source

Open Source (AGPL), commercial license available

Cloud-based only

Only available as a cloud service

DBaaS offerings (sponsored links)

Database as a Service

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

Scylla Cloud: Create real-time applications that run at global scale with Scylla Cloud, the industry’s most powerful NoSQL DBaaS

Implementation language

C, C++

JavaScript

C++

Server operating systems

Linux

server-less

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

Linux

Data scheme

schema-free

Typing

predefined data types such as float or date

yes: string, long, double, int, geospatial, stream, events

yes

string, integer, double, bool, date, object_id

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

secondary, composite, nested, reverse, geospatial

yes

via views

yes

cluster global secondary indices

SQL

Support of SQL

SQL like support with command line tool

SQL-like DML and DDL statements (CQL)

APIs and other access methods

Proprietary protocol
RESTful HTTP API

in-process shared library

JavaScript API

Proprietary protocol (CQL)

compatible with CQL (Cassandra Query Language, an SQL-like language)
RESTful HTTP API (DynamoDB compatible)
Thrift

Supported programming languages

C
C#
C++
Java
Python

Actionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby

JavaScript

For CQL interface: C#, C++, Clojure, Erlang, Go, Haskell, Java, JavaScript, Node.js, Perl, PHP, Python, Ruby, Rust, Scala
For DynamoDB interface: .Net, ColdFusion, Erlang, Groovy, Java, JavaScript, Perl, PHP, Python, Ruby

Server-side scripts

Stored procedures

View functions in JavaScript

yes, Lua

Triggers

yes, Notifications (with Streaming only)

yes

Partitioning methods

Methods for storing different data on different nodes

Sharding (enterprise version only). P2P based virtual network overlay with consistent hashing and chord algorithm

none

Sharding

Replication methods

Methods for redundantly storing data on multiple nodes

selectable replication factor, Knob for CAP (enterprise version only)

none

selectable replication factor

Representation of geographical distribution of servers is possible

MapReduce

Offers an API for user-defined Map/Reduce methods

yes

Consistency concepts

Methods to ensure consistency in a distributed system

Tunable consistency, set CAP knob accordingly

none

Eventual Consistency
Tunable Consistency

can be individually decided for each write operation

Foreign keys

Referential integrity

typically not needed, however similar functionality with collection joins possible

Transaction concepts

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

ACID

atomic operations within a single collection possible

Atomicity and isolation are supported for single operations

Concurrency

Support for concurrent manipulation of data

yes, optimistic concurrency control

yes

Read/Write Locking

yes

Durability

Support for making data persistent

yes, implements WAL (Write ahead log) as well

yes

Serialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.

yes

In-memory capabilities

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

yes, run db with in-memory only mode

yes

in-memory tables

User concepts

Access control

yes (enterprise version only)

Access rights for users can be defined per object

More information provided by the system vendor

Specific characteristics

BangDB is a converged NoSql database platform which natively integrated streaming,...
» more

Scylla is a highly-available, highly-scalable, highly-performant NoSQL database....
» more

Competitive advantages

Converged Platform to break silos for higher scale and performance BangDB is a novel...
» more

Highly-performant (efficiently utilizes full resources of a node and network; millions...
» more

Typical application scenarios

IOT and time series data monitoring Devops, servers, network monitoring Real-Time...
» more

AdTech ( AdGear , AppMonet , Dstillery , FullContact , MediaMath , Numberly , SAS...
» more

Key customers

Cisco, Accenture, Opera, Airpay, CtrlS, makemytrip, wine central, over 150 SaaS customers
» more

Comcast, Grab, OlaCabs, Yahoo! Japan, IMVU, Adgear, Xandr, Zenly, Natura, Snapfish,...
» more

Market metrics

BangDB is one of the fastest databases in the marke with over 2X performance over...
» more

Licensing and pricing models

BangDB community and enterprise model. Details at https://bangdb.com/pricing/
» more

Scylla Open Source - free open source software (AGPL) Scylla Enterprise - subscription-based...
» more

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources

DB-Engines blog posts

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

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