Netezza

Netezza Alter Table Command and Examples

You can use the Netezza ALTER TABLE command to change the structure of an existing table. You can add, modify existing columns in Netezza tables. If the table is in use by an active query, the ALTER command waits until that query completes. Read: Netezza CREATE TABLE command and Examples Netezza Data Types Clustered base table in Netezza Netezza Foreign Key Constraint and Syntax Netezza Primary Key Constraint and Syntax Uses of Netezza Alter Table Command The main use of the alter table command is to alter the table structure.…

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November 8, 2016
Netezza

nzsession Command: How to Manage Netezza Sessions

A Netezza session represents a single connection to the Netezza appliance. You can use the nzsession command to view and manage the sessions. Session starts when user performs following things: Run nzsql command and session ends when they exit Run nzload command Use nzadmin tool Connect to Netezza system with JDBC, ODBC or OLEDB drivers. The session ends when command completes You must be the system administrator or should have proper permissions to show and manage the sessions and transactions. Read: Commonly used Netezza Basic Commands nzsql command and its…

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September 7, 2016