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DBMS > EJDB vs. InfinityDB vs. SAP Advantage Database Server vs. SQL.JS

System Properties Comparison EJDB vs. InfinityDB vs. SAP Advantage Database Server vs. SQL.JS

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Editorial information provided by DB-Engines

Name

SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.

Description

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

A Java embedded Key-Value Store which extends the Java Map interface

Low-cost RDBMS with access to ISAM and FoxPro data structures

Port of SQLite to JavaScript

Primary database model

Key-value store

Relational DBMS

Relational DBMS

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

Score	0.31
Rank	#296	Overall
	#44	Document stores

Score	0.08
Rank	#365	Overall
	#55	Key-value stores

Score	0.63
Rank	#241	Overall
	#112	Relational DBMS

Website

github.com/Softmotions/ejdb

www.sap.com/products/advantage-database-server.html

Technical documentation

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

boilerbay.com/infinitydb/manual

sql.js.org/documentation/index.html

Developer

Softmotions

Boiler Bay Inc.

Sybase, SAP

Alon Zakai

enhancements implemented by others

Initial release

2012

2002

1993

2012

Current release

4.0

License

Commercial or Open Source

Open Source

GPLv2

commercial

commercial

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

C

Java

JavaScript

Server operating systems

server-less

All OS with a Java VM

Linux
Windows

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

Data scheme

schema-free

yes

nested virtual Java Maps, multi-value, logical â€˜tuple spaceâ€™ runtime Schema upgrade

yes

yes

Typing

predefined data types such as float or date

yes

string, integer, double, bool, date, object_id

yes

all Java primitives, Date, CLOB, BLOB, huge sparse arrays

yes

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.

no

no

no

Secondary indexes

no

no

manual creation possible, using inversions based on multi-value capability

yes

SQL

Support of SQL

no

no

yes

yes

SQL-92 is not fully supported

APIs and other access methods

in-process shared library

Access via java.util.concurrent.ConcurrentNavigableMap Interface
Proprietary API to InfinityDB ItemSpace (boilerbay.com/docs/ItemSpaceDataStructures.htm)

.NET Client API
ADO.NET
JDBC
ODBC
OLE DB

JavaScript API

Supported programming languages

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

Java

Delphi
Perl
PHP

JavaScript

Server-side scripts

Stored procedures

no

no

yes

no

Triggers

no

no

yes

no

Partitioning methods

Methods for storing different data on different nodes

none

none

none

none

Replication methods

Methods for redundantly storing data on multiple nodes

none

none

Multi-source replication

CONFLICT Trigger to resolve replication conflicts
Source-replica replication

none

MapReduce

Offers an API for user-defined Map/Reduce methods

no

no

no

no

Consistency concepts

Methods to ensure consistency in a distributed system

Immediate Consistency

READ-COMMITTED or SERIALIZED

Immediate Consistency

none

Foreign keys

Referential integrity

no

typically not needed, however similar functionality with collection joins possible

no

manual creation possible, using inversions based on multi-value capability

yes

yes

Transaction concepts

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

no

ACID

Optimistic locking for transactions; no isolation for bulk loads

ACID

ACID

Concurrency

Support for concurrent manipulation of data

yes

Read/Write Locking

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.

no

no

caching of (temporary) tables can be configured

yes

User concepts

Access control

no

no

fine grained access rights according to SQL-standard

no

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More resources

DB-Engines blog posts

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