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Netezza vs. IBM DB2

Netezza IBM DB2 + Add column
Preference 75% votes 25% votes
Website www-01.​ibm.​com/​software/​data/​netezza/​ www.​ibm.​com/​software/​data/​db2
Database model
Data storage ?
Embeddable Yes No
Query language
Data types
Conditional entry updates Yes Yes
Map and reduce Yes No
Unicode Yes Yes
Compression Yes Yes
Integrity model
Atomicity Yes Yes
Consistency Yes Yes
Isolation Yes Yes
Durability (data storage) Yes Yes
Transactions Conditional Conditional
Referential integrity No Yes
Revision control No Yes
Locking model
Secondary Indexes No Yes
Composite keys Yes Yes
Full text search No Yes
Geospatial Indexes Yes Yes
Graph support No Yes
Horizontal scalable Yes Yes
Replication Yes Yes
Replication mode
Sharding Yes Yes
Shared nothing architecture Yes Yes
Value size max. 2.5 PB 2 EB
System requirements
Operating system
Native driver
Memory minimum 5 TB 256 MB
Programming language ?
Description AMPP implementation Rdbms
Multi-user system Conditional Yes
Multilingual content Yes ?
Price rating ★★★★☆ ★★★★☆
Standard compliance Yes Yes
Software distribution No
Release Date January 2005 ?
Documentation level ★★★★☆ ★★★★☆
Free to use No Conditional
Active Yes Yes
Database Connection Pooling Yes Yes
Real time analytics Conditional Yes
Community Driven No No
Web interface Yes Yes
Versioning Good ?
Data encryption Yes Yes
Online backup Yes Yes
Partial Index No Yes
Log Yes Yes
Implementation flexibility (40% global votes) (0% global votes)
Backup functionality Good Excellent
Query Cache No Yes
Ease of use ★★★★☆ ★★★★☆
In-Place Update Yes Yes
Free for commercial use No Yes
Sorts Yes Yes
Open Source Yes No
XInclude Support Yes ?
Triggers Yes Yes
Perfomance ★★★★☆ ★★★★★
Predictive Analytics Yes Yes
Geospatial Yes Yes
Text Analytics Yes Yes
Server Side Java Script Yes ?
OData Yes ?
HTML5 Charts Yes ?
Decision Tables Yes ?
JSON Yes Yes
Flexible Table(Schema) Yes Yes
Stored Procedure Yes Yes
Concurrency Yes Yes
24/7 support Yes Yes
Free edition Yes Yes
Websphere Dyna Cache Integration Yes ?
SQL Queries Yes Yes
Monitoring UI Yes ?
Recursive queries Yes Yes
Online backup (no locking) Yes Yes
CLI` Yes Yes
Columner No ?
Apache Spark Integration Yes ?
Accelerometer sensor ? No
Extension/Plug-in ? Conditional
Object-Relational Mapping (ORM) ? Yes
RESTful ? Yes
API ? Good
Cloud platform support ?
Function Based Index ? Yes
Download ? www-01.​ibm.​com/​software/​data/​db2/​
Level of access authorization ?
Read preferences ? Yes
Cloud-enabled ? Yes
Pause Test ? Yes
Materialized Views ? Yes
Max rows in query result ? 5
Point In Time Recovery ? Yes
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Netezza IBM DB2
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