DBMS > EJDB vs. Kingbase

System Properties Comparison EJDB vs. Kingbase

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Editorial information provided by DB-Engines

Name

Description

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

An enterprise-class RDBMS compatible with PostgreSQL and Oracle and widely used in China.

Primary database model

Document store

Relational DBMS

Secondary database models

Document store
Spatial DBMS

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

Score	0.10
Rank	#322	Overall
	#44	Document stores

Score	0.37
Rank	#265	Overall
	#123	Relational DBMS

Website

ejdb.org

www.kingbase.com.cn

Technical documentation

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

bbs.kingbase.com.cn/chess_wenku-index.html

Developer

Softmotions

BeiJing KINGBASE Information technologies inc.

Initial release

2012

1999

Current release

V8.0, August 2021

License

Commercial or Open Source

Open Source

GPLv2

commercial

Cloud-based only

Only available as a cloud service

DBaaS offerings (sponsored links)

Database as a Service

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Implementation language

C and Java

Server operating systems

server-less

Linux
Windows

Data scheme

schema-free

yes

Typing

predefined data types such as float or date

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.

yes

Secondary indexes

yes

SQL

Support of SQL

Standard with numerous extensions

APIs and other access methods

in-process shared library

ADO.NET
gokb
JDBC
kdbndp
ODBC
PDI
PDO
Pro*C
psycopg2
QT

Supported programming languages

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

.Net
C
C++
Go
Java
JavaScript (Node.js)
Perl
PHP
Python

Server-side scripts

Stored procedures

user defined functions

Triggers

yes

Partitioning methods

Methods for storing different data on different nodes

none

horizontal partitioning (by range, list and hash) and vertical partitioning

Replication methods

Methods for redundantly storing data on multiple nodes

none

yes

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

typically not needed, however similar functionality with collection joins possible

yes

Transaction concepts

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

ACID

Concurrency

Support for concurrent manipulation of data

yes

Read/Write Locking

yes

Durability

Support for making data persistent

yes

User concepts

Access control

fine grained access rights according to SQL-standard

More information provided by the system vendor

Specific characteristics

An enterprise-class RDBMS compatible with PostgreSQL and Oracle. It has the following...
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Competitive advantages

Complete database management platform with Integrated Development Environment Tool,...
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Typical application scenarios

New applications for transactional and mixed workloads that need to integrate with...
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Key customers

The main customers are: China National Petroleum Corporation China Petrochemical...
» more

Market metrics

At present, the main market is in China, but expansion to the international market...
» more

Licensing and pricing models

Business license. Various sales modes: for example, sales by set, sales by CPU quantity,...
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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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