DBMS > HarperDB vs. IBM Db2

System Properties Comparison HarperDB vs. IBM Db2

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Our visitors often compare HarperDB and IBM Db2 with CockroachDB, MongoDB and Amazon DynamoDB.

Editorial information provided by DB-Engines

Name

Description

Ultra-low latency distributed database with an intuitive REST API supporting NoSQL and SQL (including joins). Deployment of functions and databases simultaneously with a consolidated node-level architecture.

Common in IBM host environments, 2 different versions for host and Windows/Linux

Primary database model

Document store

Relational DBMS

Since Version 10.5 support for JSON/BSON documents compatible with MongoDB

Secondary database models

Document store
RDF store

in Db2 LUW (Linux, Unix, Windows)
Spatial DBMS

with Db2 Spatial Extender

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

Score	0.68
Rank	#261	Overall
	#40	Document stores

Score	134.60
Rank	#8	Overall
	#5	Relational DBMS

Website

harperdb.io

www.ibm.com/products/db2

Technical documentation

harperdb.io/developers/documentation/overview

www.ibm.com/docs/en/db2

Developer

HarperDB

IBM

Initial release

2017

1983

host version

Current release

3.1, August 2021

12.1, October 2016

License

Commercial or Open Source

commercial

free community edition available

commercial

free version is available

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

Node.js

C and C++

Server operating systems

Linux
OS X

AIX
HP-UX
Linux
Solaris
Windows
z/OS

Data scheme

dynamic schema

yes

Typing

predefined data types such as float or date

yes

JSON data types

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

SQL-like data manipulation statements

yes

APIs and other access methods

JDBC
ODBC
React Hooks
RESTful HTTP/JSON API
WebSocket

ADO.NET
JDBC
JSON style queries

MongoDB compatible
ODBC
XQuery

Supported programming languages

.Net
C
C#
C++
ColdFusion
D
Dart
Delphi
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
MatLab
Objective C
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Rust
Scala
Swift

C
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic

Server-side scripts

Stored procedures

Custom Functions

since release 3.1

yes

Triggers

yes

Partitioning methods

Methods for storing different data on different nodes

A table resides as a whole on one (or more) nodes in a cluster

Sharding

only with Windows/Unix/Linux Version

Replication methods

Methods for redundantly storing data on multiple nodes

yes

the nodes on which a table resides can be defined

yes

with separate tools (MQ, InfoSphere)

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

Transaction concepts

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

Atomic execution of specific operations

ACID

Concurrency

Support for concurrent manipulation of data

yes

Durability

Support for making data persistent

yes, using LMDB

yes

In-memory capabilities

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

yes

User concepts

Access control

Access rights for users and roles

fine grained access rights according to SQL-standard

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More resources

Recent citations in the news

New HarperDB 4.2 - The Distributed Real-Time Application Platform ...
31 October 2023, PR Newswire

HarperDB 4.0 integrates with open-source connectivity platform ...
17 January 2023, SiliconANGLE News

Jaxon Repp on HarperDB Distributed Database Platform
23 March 2022, InfoQ.com

Stephen Goldberg Named 2023 Bill Daniels Ethical Leader of the ...
9 January 2023, University of Colorado Denver

7-Round 2024 NFL Mock Draft: Blockbuster Trade Sends Caleb ...
2 December 2023, Pro Football Network

provided by Google News

IBM Teams Up With Amazon for Cloud Database Service
3 December 2023, The Motley Fool

IBM's vintage Db2 database jumps on AWS's cloud bandwagon
29 November 2023, The Register

IBM Collaborates with AWS to Launch a New Cloud Database ...
27 November 2023, IBM Newsroom

Stelo Enables Mirroring and Streaming Data Replication into Google ...
28 November 2023, PR Newswire

IBM i Shops Have Alternatives to Db2 Web Query
15 November 2023, IT Jungle

provided by Google News

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