Tags » Netezza

Netezza: Record size 78274 exceeds internal limit of 65535 bytes

Solution:- If ever encounter this error its wile doing minus between 2 tables, try to comment out the string column which has length more than 5000.


Netezza Zone Maps in a normalized data model

Netezza Zone Maps in a normalized Data Model


Netezza is a data warehousing appliance that uses an Asymmetric Massive Parallel Processing Architecture.  The Netezza architecture is driven by two fundamental principles- process close to the data source and do not move data sets unless absolutely necessary. 1,275 more words

Data Warehousing

LDAP Authentication in IBM Netezza

Three authentication methods:

  • Local
  • LDAP
  • Kerberos

LDAP authentication differs from local authentication method in that Netezza system uses the username and password stored on LDAP server. 126 more words


Finding out active netezza host

# crm_resource -r nps -W

crm_resource: 2009/06/07_10:13:12 info: Invoked: crm_resource 
-r nps -W
resource nps is running on: nzhost1

Runaway query event

You can use the RunAwayQuery event type to monitor queries that exceed configured query timeout limits.


Outdated rows in IBM Netezza

Outdated is another name for deleted rows.


nzdumpschema in IBM Netezza

Use the nzdumpschema command to generate a shell script with SQL statements that duplicate a database by extracting its object definitions and statistics. nzdumpschema generates¬†Table definitions, view definitions, database statistical information, and us… 42 more words