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DBMS > IBM Db2 warehouse vs. LeanXcale vs. Neo4j

System Properties Comparison IBM Db2 warehouse vs. LeanXcale vs. Neo4j

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Editorial information provided by DB-Engines
NameIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonLeanXcale  Xexclude from comparisonNeo4j  Xexclude from comparison
DescriptionCloud-based data warehousing serviceA highly scalable full ACID SQL database with fast NoSQL data ingestion and GIS capabilitiesScalable, ACID-compliant graph database designed with a high-performance distributed cluster architecture, available in self-hosted and cloud offerings
Primary database modelRelational DBMSKey-value store
Relational DBMS
Graph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.17
Rank#167  Overall
#75  Relational DBMS
Score0.28
Rank#283  Overall
#42  Key-value stores
#128  Relational DBMS
Score46.15
Rank#20  Overall
#1  Graph DBMS
Websitewww.ibm.com/­products/­db2/­warehousewww.leanxcale.comneo4j.com
Technical documentationneo4j.com/­docs
DeveloperIBMLeanXcaleNeo4j, Inc.
Initial release201420152007
Current release5.23, August 2024
License infoCommercial or Open SourcecommercialcommercialOpen Source infoGPL version3, commercial licenses available
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava, Scala
Server operating systemshostedLinux infoCan also be used server-less as embedded Java database.
OS X
Solaris
Windows
Data schemeyesyesschema-free and schema-optional
Typing infopredefined data types such as float or dateyesyes
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 infoImport/export of XML data possible
Secondary indexesyesyes infopluggable indexing subsystem, by default Apache Lucene
SQL infoSupport of SQLyesyes infothrough Apache Derbyno
APIs and other access methods.NET Client API
JDBC
ODBC
OLE DB
JDBC
Kafka Connector
ODBC
proprietary key/value interface
Spark Connector
Bolt protocol
Cypher query language
Java API
Neo4j-OGM infoObject Graph Mapper
RESTful HTTP API
Spring Data Neo4j
TinkerPop 3
Supported programming languagesJava
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
C
Java
Scala
.Net
Clojure
Elixir
Go
Groovy
Haskell
Java
JavaScript
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresPL/SQL, SQL PLyes infoUser defined Procedures and Functions
Triggersyesyes infovia event handler
Partitioning methods infoMethods for storing different data on different nodesShardingyes using Neo4j Fabric
Replication methods infoMethods for redundantly storing data on multiple nodesyesCausal Clustering using Raft protocol infoavailable in in Enterprise Version only
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyCausal and Eventual Consistency configurable in Causal Cluster setup
Immediate Consistency in stand-alone mode
Foreign keys infoReferential integrityyesyesyes infoRelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
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, roles and permissions. Pluggable authentication with supported standards (LDAP, Active Directory, Kerberos)
More information provided by the system vendor
IBM Db2 warehouse infoformerly named IBM dashDBLeanXcaleNeo4j
News

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18 March 2025

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18 March 2025

This Week in Neo4j: Knowledge Graph, Deepseek, Bloodhound, RAG and more
15 March 2025

Graph Database vs. Relational Database: What’s The Difference?
13 March 2025

How to Build a Knowledge Graph in 7 Steps
12 March 2025

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More resources
IBM Db2 warehouse infoformerly named IBM dashDBLeanXcaleNeo4j
DB-Engines blog posts

Applying Graph Analytics to Game of Thrones
12 June 2019, Amy Hodler & Mark Needham, Neo4j (guest author)

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2 March 2016, Paul Andlinger

The openCypher Project: Help Shape the SQL for Graphs
22 December 2015, Emil Eifrem (guest author)

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Recent citations in the news

A major upgrade to Db2® Warehouse on IBM Cloud®
26 June 2024, ibm.com

IBM Db2 12.1.1.0 has arrived: What’s new and improved?
5 February 2025, ibm.com

The hidden history of Db2
28 December 2024, ibm.com

Top 7 Cloud Data Warehouse Companies
31 May 2023, Datamation

Introducing the next generation of Db2 Warehouse: Our cost-effective, cloud-native data warehouse built for always-on, mission-critical workloads
11 July 2023, ibm.com

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19 November 2024, PYMNTS.com

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4 September 2024, VentureBeat

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Database startup Neo4j embraces AI to supercharge growth
19 November 2024, TechCrunch

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