DBMS > Lovefield vs. Machbase vs. Nebula Graph vs. SiteWhere

System Properties Comparison Lovefield vs. Machbase vs. Nebula Graph vs. SiteWhere

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Editorial information provided by DB-Engines

Name

Description

Embeddable relational database for web apps written in pure JavaScript

TimeSeries DBMS for AIoT and BigData

A distributed, linear scalable, high perfomant Graph DBMS

M2M integration platform for persisting/querying time series data

Primary database model

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

Score	0.23
Rank	#286	Overall
	#134	Relational DBMS

Score	0.01
Rank	#358	Overall
	#32	Time Series DBMS

Score	1.11
Rank	#168	Overall
	#15	Graph DBMS

Score	0.00
Rank	#363	Overall
	#34	Time Series DBMS

Website

google.github.io/lovefield

www.machbase.com

github.com/vesoft-inc/nebula
nebula-graph.io

sitewhere.io

Technical documentation

github.com/google/lovefield/blob/master/docs/spec_index.md

machbase.atlassian.net/wiki/spaces/MAN/overview

docs.nebula-graph.io

sitewhere.io/docs/2.1.0

Developer

Google

Machbase

Vesoft Inc.

SiteWhere

Initial release

2014

2013

2019

2010

Current release

2.1.12, February 2017

V6.5, August 2021

License

Commercial or Open Source

Open Source

Apache 2.0

commercial

free test version available

Open Source

Apache Version 2.0 + Common Clause 1.0

Open Source

Common Public Attribution License Version 1.0

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.

Implementation language

JavaScript

C++

Java

Server operating systems

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

tested with Chrome, Firefox, IE, Safari

Linux
Windows

Linux

Linux
OS X
Windows

Data scheme

yes

Strong typed schema

predefined scheme

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

Nebula Graph internally uses the Key-Value store RocksDB for persistency. The vertices, edges, and their properties are stored as Key while their values are stored as Value. The primary indexes are per Key and secondary indexes are per Value.

SQL

Support of SQL

SQL-like query language

via JavaScript builder pattern

SQL-like query language

APIs and other access methods

HTTP REST
JDBC
ODBC

Browser interface
console (shell)
Proprietary native API
Query language nGQL

HTTP REST

Supported programming languages

JavaScript

C
C#
C++
Java
JavaScript
PHP

via ODBC
Python
R

via ODBC
Scala

C++
Go
Java
Python

Server-side scripts

Stored procedures

Triggers

Using read-only observers

Partitioning methods

Methods for storing different data on different nodes

none

Sharding

based on HBase

Replication methods

Methods for redundantly storing data on multiple nodes

none

selectable replication factor

Causal Clustering using Raft protocol

selectable replication factor

based on HBase

MapReduce

Offers an API for user-defined Map/Reduce methods

Consistency concepts

Methods to ensure consistency in a distributed system

Immediate Consistency

Foreign keys

Referential integrity

yes

Relationships in graphs

Transaction concepts

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

ACID

Concurrency

Support for concurrent manipulation of data

yes

Durability

Support for making data persistent

yes, by using IndexedDB or the cloud service Firebase Realtime Database

yes

using RocksDB

yes

In-memory capabilities

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

yes

using MemoryDB

yes

volatile and lookup table

yes

User concepts

Access control

simple password-based access control

Role-based access control

Users with fine-grained authorization concept

More information provided by the system vendor

Specific characteristics

Nebula Graph is a truly distributed, linearly scalable, lightning-fast graph database,...
» more

Competitive advantages

Nebula Graph boasts the world's only graph database solution that is able to host...
» more

Typical application scenarios

Social networking Fraud detection Knowledge graph Data warehouse management Anti...
» more

Key customers

Currently we have some top internet companies in China implementing Nebula Graph...
» more

Market metrics

At our very early stage, Nebula Graph has already received 3.5k stars and thousands...
» more

Licensing and pricing models

Nebula Graph is open source and free to use under Apache 2.0 license and Common Clause...
» 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

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