DBMS > Adabas vs. AlaSQL vs. Couchbase

System Properties Comparison Adabas vs. AlaSQL vs. Couchbase

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Editorial information provided by DB-Engines

Name

Description

OLTP - DBMS for mainframes and Linux/Unix/Windows environments info

used typically together with the Natural programming platform

JavaScript DBMS library

JSON-based document store derived from CouchDB with a Memcached-compatible interface

Primary database model

Multivalue DBMS

Document store
Relational DBMS

Document store

Secondary database models

Key-value store info

originating from the former Membase product and supporting the Memcached protocol

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

Score	3.99
Rank	#70	Overall
	#1	Multivalue DBMS

Score	0.40
Rank	#218	Overall
	#31	Document stores
	#105	Relational DBMS

Score	31.29
Rank	#23	Overall
	#3	Document stores

Website

www.softwareag.com/corporate/products/adabas_natural/adabas/default.html

alasql.org

www.couchbase.com

Technical documentation

github.com/agershun/alasql

docs.couchbase.com

Developer

Software AG

Andrey Gershun & Mathias R. Wulff

Couchbase, Inc.

Initial release

1971

2014

2011

Current release

Server: 6.0, October 2018; Mobile: 2.5, May 2019; Couchbase Autonomous Operator: 1.2, May 2019

License

Commercial or Open Source

commercial

Open Source info

MIT-License

Open Source info

Apache version 2; Commercial licenses also available

Cloud-based only info

Only available as a cloud service

DBaaS offerings (sponsored links) info

Database as a Service

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

Implementation language

JavaScript

C, C++, Go and Erlang

Server operating systems

BS2000
Linux
Unix
Windows
z/OS
z/VSE

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

Linux
OS X
Windows

Data scheme

yes

schema-free

Typing

predefined data types such as float or date

yes

String, Boolean, Number

XML support info

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

with add-on product Adabas SQL Gateway

Close to SQL99, but no user access control, stored procedures and host language bindings.

Declarative query language (N1QL) that extends ANSI SQL to JSON. First commercial implementation of SQL++.

APIs and other access methods

HTTP API

with add-on software Adabas SOA Gateway
SOAP-based API info

with add-on software Adabas SOA Gateway

JavaScript API

Native language bindings for CRUD, Query, Search and Analytics APIs

Supported programming languages

Natural

JavaScript

.Net
C
Clojure
ColdFusion
Erlang
Go
Java
JavaScript info

Node.js
Perl
PHP
Python
Ruby
Scala
Tcl

Server-side scripts info

Stored procedures

in Natural

Functions and timers in JavaScript

Triggers

yes

via the TAP protocol

Partitioning methods info

Methods for storing different data on different nodes

yes, with additonal products like Adabas Cluster Services, Adabas Parallel Services, Adabas Vista

none

Sharding

Replication methods info

Methods for redundantly storing data on multiple nodes

yes, with add-on product Event Replicator

none

Master-master replication info

including cross data center replication
Master-slave replication

MapReduce

Offers an API for user-defined Map/Reduce methods

yes

Consistency concepts info

Methods to ensure consistency in a distributed system

Immediate Consistency

none

Eventual Consistency
Immediate Consistency info

selectable on a per-operation basis

Foreign keys info

Referential integrity

yes

Transaction concepts info

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

ACID

yes

only for local storage and DOM-storage

Single-document ACID transactions

Concurrency info

Support for concurrent manipulation of data

yes

Durability info

Support for making data persistent

yes

by using IndexedDB, SQL.JS or proprietary FileStorage

yes

In-memory capabilities info

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

yes

Ephemeral buckets

User concepts info

Access control

only with OS-specific tools (e.g. IBM RACF, CA Top Secret)

User and Administrator separation with password-based and LDAP integrated Authentication

More information provided by the system vendor

Specific characteristics

Couchbase Server is an open source NoSQL database engineered to support the agile...
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Competitive advantages

Powerful Querying: An expressive query language that extends SQL and supports joins...
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Typical application scenarios

Real-time Big Data , Profile Management , Mobile Applications , Content Management...
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Key customers

Couchbase customers include industry leaders like AOL, AT&T, Ballyâ€™s, BSkyB, Cisco...
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Licensing and pricing models

All software is licensed under the Apache License, Version 2.0
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