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

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

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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)

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

Port of SQLite to JavaScript

YTsaurus is an open source platform for distributed storage and processing.

Primary database model

Document store

Relational DBMS

Document store
Key-value store

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

Score	0.10
Rank	#335	Overall
	#47	Document stores

Score	0.49
Rank	#243	Overall
	#113	Relational DBMS

Score	0.19
Rank	#309	Overall
	#45	Document stores
	#44	Key-value stores

Website

github.com/Softmotions/ejdb

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

sql.js.org

ytsaurus.tech

Technical documentation

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

sql.js.org/documentation/index.html

ytsaurus.tech/docs/en

Developer

Softmotions

Sybase, SAP

Alon Zakai

enhancements implemented by others

Yandex

Initial release

2012

1993

2012

2023

License

Commercial or Open Source

Open Source

GPLv2

commercial

Open Source

Apache License, Version 2.0

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++

Server operating systems

server-less

Linux
Windows

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

Ubuntu

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.

Secondary indexes

yes

SQL

Support of SQL

yes

SQL-92 is not fully supported

YQL, an SQL-based language, is supported

APIs and other access methods

in-process shared library

.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

Delphi
Perl
PHP

JavaScript

C++
Go
Java
JavaScript
Python

Server-side scripts

Stored procedures

yes

Triggers

yes

Partitioning methods

Methods for storing different data on different nodes

none

Sharding

Replication methods

Methods for redundantly storing data on multiple nodes

none

Multi-source replication

CONFLICT Trigger to resolve replication conflicts
Source-replica replication

none

yes

MapReduce

Offers an API for user-defined Map/Reduce methods

yes

Consistency concepts

Methods to ensure consistency in a distributed system

Immediate Consistency

none

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

except by serializing a db to a file

yes

In-memory capabilities

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

caching of (temporary) tables can be configured

yes

User concepts

Access control

fine grained access rights according to SQL-standard

Access Control Lists

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