Netezza

Netezza Mako Features – Latest Netezza powered DWH Appliance

IBM Netezza Mako server is latest addition to the IBM PureData System for Analytics system powered by Netezza technology. Netezza Mako features includes Fast, Scalable, Smart, Simple and completely integrated data warehouse appliances. Netezza Mako Features - Latest Netezza powered DWH Appliance IBM PureData System for Analytics system powered by Netezza technology is designed for running complex analytics solutions on very large data volumes of data sets with faster execution times compared to its entire predecessor. Check out: Key Features of Netezza Appliances Netezza Striper Architecture: N2001 Technical Specification Netezza…

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March 2, 2017
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Netezza Mako Architecture: N3001 Technical Specification

IBM PureData System for Analytics N3001 or Netezza Mako Architecture is the next generation of the PureDataTM System for Analytics family of appliances that is powered by Netezza technology. The Netezza Mako architecture integrates database, server (High available RH Linux Servers), storage (disks), and advanced analytic capabilities into a single, easy-to-manage system. The N3001 series servers includes hardware with an accelerated massively parallel-processing design that is specifically optimized for running complex analytics on large data volumes at very high speeds. The Netezza Mako server includes the design that is specifically…

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February 21, 2017
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Netezza Striper Architecture: N2001 Technical Specification

IBM PureData System for Analytics N2001 or Netezza Striper is a purpose-built, standards-based data warehouse and analytic appliance. The Netezza striper architecture integrates database, server (High available RH Linux Servers), storage (disks), and advanced analytic capabilities into a single, easy-to-manage system. The Netezza Striper includes the design that is specifically designed for running complex analytics on large volumes of data sets (petabytes of data) at high speed. Netezza Striper Architecture The IBM PureData System for Analytics N2001 series data warehouse appliances increases the storage capacity and performance of the Netezza TwinFin models. Within…

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February 21, 2017
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Netezza User rowset Limit: Limiting Query Result set

If you execute the query which returns a large result set, then system may crash or may not respond properly. You can set the Netezza user rowset limit during query run. You can set a limit on the number of rows a query can return and thus restrict resources for large result sets. Read: How Netezza Update Records in Table? IBM Netezza Update Join Netezza Pivot  Rows to Column with Example Netezza nzsql Command and its Usage Create Table Command and its Usage Netezza Alter Table Command and its Usage…

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February 16, 2017
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Netezza Delete Join Syntax – Deleting Referring other Table

Every application requires the data, data storage is very much important. In the digital world, we use databases (in-fact tables) to store information. Data is collected over the time and it may or may not be accurate. In some cases, you may want to delete data from the table based on the data available in other table over same or other database on same Netezza server. You cannot access the table stored on other Netezza server. In this article, we have explained the Netezza delete join syntax and example on…

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February 16, 2017
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Netezza Planners: Different types of Planners

Netezza planners are very important to improve the performance of the query that you fire onto Netezza performance server. Types of Netezza Planners There are different types planners that Netezza performance server uses: The Fact Relationship (factrel) planner Snowflake planner The Star planner The Fact Relationship (factrel) planner The Fact Relation Planner is a feature used to prevent large table re-distribution i.e. costly re-distribution or broadcasting of fact data when other alternatives may exist. Read: Data warehouse Star schema and Design Analyze and Optimize Netezza Query Performance Netezza Best Performance…

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February 14, 2017
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Netezza Update Join Syntax – Update using other Table

Every application that require the data; data storage is very much important. In the digital world, we use databases (in fact tables) to store information. Data is collected over the time and it may or may not be accurate. In some cases you may want to update the table based on the data available in other table over same or other database on same server. In this article, we have explained the Netezza Update Join Syntax and example on how to update using Data in other Table. Read: How Netezza…

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February 9, 2017
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Netezza nzstats Command and Usage

The Netezza nzstats command allows you to view sets of related operational information that is, statistics on the tables. These sets are organised as groups of related statistics or tables that contain rows of related statistics. The statics are very much important in Netezza appliances. System uses the up-to-date stat information to plan and execute the queries. Netezza appliance works better if the system catalog tables have up-to-date stats. Displaying System Statistics using Netezza nzstats Command The Netezza nzstats command displays operational statistics about system capacity, system faults, and system…

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January 24, 2017
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Netezza nzsql Windows System Exit Codes

In this article, Netezza nzsql Windows system exit codes are discussed. These exit codes are very much important when you are building ETL/ELT operation or executing nzsql commands on windows systems. From a Windows system command prompt, the exit codes from the nzsql command provide information about the execution status of the SQL commands. Read: Netezza nzsql exit codes for Unix/Linux Systems Netezza nzsql commands and is Usage Netezza SET ON_ERROR_STOP and Examples Netezza nzsql Windows System Exit Codes When you are running queries interactively at the nzsql prompt or…

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December 30, 2016
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Netezza nzsql Exit Codes for UNIX/Linux Systems

In this article, Netezza nzsql exit codes are discussed. These exit codes are very much important when you are building ETL/ELT operation using shell scripts. On UNIX/Linux systems such as the NPS, the Netezza nzsql exit codes provide information about the execution status of the SQL commands. Read: Netezza nzsql Command and its Usage Netezza SET ON_ERROR_STOP and Examples Netezza nzsql Exit Codes When you are running queries interactively at the nzsql prompt or by using a script (nzsql -f), the command returns one of the following exit codes: 0:…

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December 30, 2016