DB-EnginesInfluxDB download bannerEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > IBM Db2 vs. Informix vs. Memcached vs. SQLite

System Properties Comparison IBM Db2 vs. Informix vs. Memcached vs. SQLite

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameIBM Db2 infoformerly named DB2 or IBM Database 2  Xexclude from comparisonInformix  Xexclude from comparisonMemcached  Xexclude from comparisonSQLite  Xexclude from comparison
DescriptionCommon in IBM host environments, 2 different versions for host and Windows/LinuxA secure embeddable database from IBM, positioned besides DB2 as a relatively low-cost product optimized for OLTP and Internet of Things dataIn-memory key-value store, originally intended for cachingWidely used in-process RDBMS
Primary database modelRelational DBMS infoSince Version 10.5 support for JSON/BSON documents compatible with MongoDBRelational DBMS infoSince Version 12.10 support for JSON/BSON datatypes compatible with MongoDBKey-value storeRelational DBMS
Secondary database modelsDocument store
RDF store infoin DB2 LUW (Linux, Unix, Windows)
Document store
Time Series DBMS infowith Informix TimeSeries Extension
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score172.60
Rank#6  Overall
#5  Relational DBMS
Score26.19
Rank#26  Overall
#15  Relational DBMS
Score25.12
Rank#28  Overall
#4  Key-value stores
Score121.03
Rank#11  Overall
#7  Relational DBMS
Websitewww.ibm.com/­analytics/­db2www.ibm.com/­products/­informixwww.memcached.orgwww.sqlite.org
Technical documentationwww.ibm.com/­support/­knowledgecenter/­SSEPGGinformix.hcldoc.com
www.ibm.com/­support/­knowledgecenter/­SSGU8G/­welcomeIfxServers.html
github.com/­memcached/­memcached/­wikiwww.sqlite.org/­docs.html
DeveloperIBMIBM, HCL Technologies infoEffective May 1st, 2017, HCL took on development, technical support, and product management teams, and works jointly with IBM on product strategy, marketing, and sales.Danga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalDwayne Richard Hipp
Initial release1983 infohost version198420032000
Current release12.1, October 201614.10, March 20191.5.12, November 20183.30.1, October 2019
License infoCommercial or Open Sourcecommercial infofree version is availablecommercial infofree developer edition availableOpen Source infoBSD licenseOpen Source infoPublic Domain
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC and C++C, C++ and JavaCC
Server operating systemsAIX
HP-UX
Linux
Solaris
Windows
z/OS
AIX
HP-UX
Linux
macOS
Solaris
Windows
FreeBSD
Linux
OS X
Unix
Windows
server-less
Data schemeyesyesschema-freeyes infodynamic column types
Typing infopredefined data types such as float or dateyesyes infoSince Version 12.10 support for JSON/BSON datatypesnoyes infonot rigid because of 'dynamic typing' concept.
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.no
Secondary indexesyesyesnoyes
SQL infoSupport of SQLyesyesnoyes infoSQL-92 is not fully supported
APIs and other access methodsADO.NET
JDBC
JSON style queries infoMongoDB compatible
ODBC
XQuery
JDBC
JSON API infoMongoDB compatible
MQTT (Message Queue Telemetry Transport)
ODBC
RESTful HTTP API
Proprietary protocolADO.NET infoinofficial driver
JDBC infoinofficial driver
ODBC infoinofficial driver
Supported programming languagesC
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic
.Net
C
C++
Java
JavaScript (Node.js)
PHP
Python
Ruby
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Actionscript
Ada
Basic
C
C#
C++
D
Delphi
Forth
Fortran
Haskell
Java
JavaScript
Lisp
Lua
MatLab
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
R
Ruby
Scala
Scheme
Smalltalk
Tcl
Server-side scripts infoStored proceduresyesyesnono
Triggersyesyesnoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoonly with Windows/Unix/Linux VersionShardingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infowith separate tools (MQ, InfoSphere)Master-master replication
Master-slave replication
none infoRepcached, a Memcached patch, provides this functionallitynone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyesyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes infovia file-system locks
Durability infoSupport for making data persistentyesyesnoyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardUsers with fine-grained authentication, authorization, and auditing controlsyes infousing SASL (Simple Authentication and Security Layer) protocolno

More information provided by the system vendor

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services
3rd partiesGeneral SQL Parser: Instantly adding parsing, decoding, analysis and rewrite SQL processing capability to your products.
» more
Navicat for SQLite is a powerful and comprehensive SQLite GUI that provides a complete set of functions for database management and development.
» more

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
IBM Db2 infoformerly named DB2 or IBM Database 2InformixMemcachedSQLite
DB-Engines blog posts

Redis extends the lead in the DB-Engines key-value store ranking
3 February 2014, Matthias Gelbmann

New DB-Engines Ranking shows the popularity of database management systems
3 October 2012, Matthias Gelbmann, Paul Andlinger

show all

Big gains for Relational Database Management Systems in DB-Engines Ranking
2 February 2016, Matthias Gelbmann

show all

Recent citations in the news

Is Amazon’s Database Strategy A Glimpse Into The Future?
16 October 2019, The Next Platform

IBM i TRs Bring Database Enhancements, Too
30 October 2019, IT Jungle

Global Database Software Market Outlook to 2030 - Market Projected to Reach $99.36 Billion by 2022 - ResearchAndMarkets.com
12 November 2019, Business Wire

IBM Announces Developer Tools for Mainframe Testing
25 October 2019, Database Trends and Applications

Db2 Analytics - Statistical Functions
31 October 2019, Toolbox

provided by Google News

Fugitive Silicon Valley tech executive hauled into federal court
15 October 2019, The Mercury News

Former Informix Executive Hauled Into Court On 19-Year-Old Indictment Regarding Alleged Investment Fraud Scheme
21 October 2019, Imperial Valley News

Practical advice for SAP Business Suite customers facing 2025 end of life
7 November 2019, Diginomica

Embedded Database Management Systems Market CAGR, Production, Revenue, Market Share,Rising Trends And Manufacturers Growth Outlook 2019-2026
13 November 2019, WindStreetz

Linux shows its mettle when it comes to new cloud and edge applications
30 October 2019, Data Economy

provided by Google News

Is your organisation protected against modern DDoS attacks?
7 November 2019, CIO East Africa

Reducing Managed Memcache Cost with NVM
15 January 2019, The Next Platform

Site Reliability Engineer - Built In
7 November 2019, Built In Austin

What are memcached servers, and why are they being used to launch record-setting DDoS attacks?
6 March 2018, GeekWire

Benchmarks! IBM deploys memcaching with flash and 3D XPoint to match DRAM
15 January 2019, Blocks and Files

provided by Google News

RDBMS Software Market 2019 | Global Top Industrialist are Cubrid, TmaxSoft, SQLite, Oracle
13 November 2019, Markets Gazette 24

Manage your SQL database easily with SQLPro Studio
13 November 2019, iMore

RDBMS Software Market Report 2019: Acute Analysis of Global Demand and Supply 2024 with Major Key Player: Cubrid, TmaxSoft, SQLite, Oracle, Microsoft, VoltDB & more
12 November 2019, Eastlake Times

RDBMS Software Market In-Depth report on Growing Factors Focusing on Top Companies like Cubrid, TmaxSoft, SQLite, Oracle
13 November 2019, marketresearchjournals

Global RDBMS Software Market 2019 CAGR Status – SQLite, ThinkSQL, Oracle, Microsoft, IBM, PostgreSQL Global
6 November 2019, News Midget

provided by Google News

Job opportunities

Entry Level to Senior Level Database Administrators
VEN SOFT, Chantilly, VA

SQL Developer
Rumpke, Cincinnati, OH

Database Administrator - IT Division
Federal Reserve Board of Governors, Washington, DC

Senior Database Administrator
Carters, Inc, Atlanta, GA

CA Database Senior Software Engineer
Broadcom, Plano, TX

Workforce Management Analyst II
Unum, Remote

Application System Engineer III (Informix)
Fults & Associates, Bedford, TX

Java Developer
SDH Systems, Plano, TX

Database Analyst/Administrator
Rady Children's Hospital-San Diego, San Diego, CA

ETL Tools Specialist
Daman Incorporated, Austin, TX

Technical Infrastructure Manager, AWS, DevOps
Computer Staff, Las Vegas, NV

Production Engineer (University Grad)
Facebook, New York, NY

Backend Engineer
Action Verb, Remote

Full-stack Engineer (Remote - USA)
Creative Market, United States

Junior Developer
Paradyme Management Inc., Greenbelt, MD

Associate, Modeling & Valuation-Modeling
KPMG, Washington, DC

Associate, Modeling & Valuation-Modeling
KPMG, Chicago, IL

Associate, Modeling & Valuation-Modeling
KPMG, New York, NY

Lead Systems Engineer
Thermo Fisher Scientific, Boston, MA

Associate, Modeling & Valuation-Modeling
KPMG, Charlotte, NC

jobs by Indeed




Share this page

Featured Products


Datastax logo

Build data-driven applications that set the standard for performance, availability,
& scale with DataStax.
Learn more.

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

Redis logo

Hosted, serverless DBaaS
in 3 steps.

30MB Free!
Start now.

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

RavenDB logo

Setup a fully managed RavenDB Cloud Database in minutes. Enjoy hosting, management, backups all in one place.
Grab a Free Instance

Present your product here