Details about Netezza

Netezza RECORD Type Variable, Usage and Examples

Just like other procedural language, Netezza supports RECORD type variables. Netezza RECORD type variable are similar to row types, but they have no predefined structure associated with it. You can use the record type only inside Netezza stored procedures (SP). They are used in selections and FOR loops to hold one database row from a SELECT operation. Read about Netezza Stored Procedure here: Netezza Stored Procedure and Examples IBM Netezza Control structures and usage Netezza Stored Procedure ARRAY Variables and Examples Netezza RECORD type Variable Declaration Below is the syntax…

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Export Netezza Data with Quoted Values into Flat File and Example

In general, quoted values are values which are enclosed in single or double quotes. Usually, quoted values files are system generated where each and every fields in flat files is either enclosed in SINGLE or DOUBLE quotation mark. In this article, we will check how to export Netezza data with quoted values into flat file such as CSV format. Quoted Value File Overview As mentioned in the previous section, quoted values files contains the values that are enclosed either in SINGLE or DOUBLE quotation mark. Generally, values are enclosed in…

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Extract Netezza Table into Fixed-width file format and Example

Fixed width text files are special cases of text files. In a fixed width file, the format is specified by column widths, pad character and left or right alignment. In this format column width are in terms of units of characters. Fixed-width files has field (column) withe same predefined width in each file row, similar to a spreadsheet table. In this article, we will check how to extract Netezza table into fixed-width file format with a working examples. The examples of fixed width files would be telecom CDR (call detail…

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Netezza Export Table Data into Excel Format

You can export the Netezza table in many ways. You can export the data to CSV format using either Netezza external table or Netezza nzsql commands with - o option. Netezza does not support exporting data to excel (xls/xlsx) format. You have to perform some work around to get data out to excel format. In this article, we will check Netezza Export Table Data into Excel Format. Netezza Export Table Data into Excel Format Netezza export table data into excel format involves two steps: Export Netezza table data to CSV…

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Check Netezza System Configurations using System Commands

Verifying the Netezza system configuration is basic step to identify any issues with the system. You can troubleshoot the problem once you identify the same. In this article, we will see how to check Netezza system configurations using system commands and see some of examples. Netezza System Configurations All the Netezza system configuration details are available in system.cfg file. This configuration file contains configuration settings that the Netezza uses for system startup, system management, host processes, and SPUs. It is advised to get in touch with IBM support team before…

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Netezza Recursive Query Alternative and Examples

A recursive query is a way to query hierarchies of data, such as an organizational structure, bill-of-materials, and document hierarchy. Netezza does not support either WITH RECURSIVE Clause or Using the RECURSIVE Clause in a CREATE VIEW Statement. In this article, we will check Netezza Recursive Query Alternative with an working example. Netezza Recursive Query Alternative In the other RDBMS such as Teradata you can specify a recursive query by preceding a query with the WITH RECURSIVE clause or creating a view using the RECURSIVE clause in a CREATE VIEW…

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Netezza Subqueries and Type of Subqueries with an Examples

A subquery in Netezza is a select expression that is enclosed in parentheses as a nested query block in a query statement. The Subquery may return zero to one or more values to its upper select statements. In this article, we will check Netezza subqueries and and type of subqueries available with an examples. Netezza Subqueries and Type of Subqueries As mentioned earlier, Netezza subquery is a select expression enclosed in parenthesis as a nested query block. You can use these nested query blocks in any of the following SQL…

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Netezza Database Schema: CREATE, ALTER, DROP and SET SCHEMA

In the previous version, the Netezza system supported one default schema per database. You can configure multiple schema within database in latest release. In this article, we will check on Netezza database schema and how to create, alter, drop and set schema for Netezza database. In the latest release, Netezza system can validate the schema information i.e. you can configure the system to return an error for any queries that specify an invalid or non-existent schema, or you can configure the system to return a warning message for queries that…

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Netezza and Teradata Comparison – Netezza vs Teradata

Both Netezza and Teradata are MPP (massively parallel processing) data warehouse appliance with shared nothing architecture where each processing unit is self contained with CPU, memory, and storage. The database gets subdivided across these processing units. In this article is all about Netezza and Teradata comparison – Netezza vs Teradata. The comparison Between Netezza and Teradata gives you little bit Architectural difference and SQL differences. Netezza and Teradata Comparison – Netezza vs Teradata Below are the some of the Netezza and Teradata comparison: Materialized view Both data warehouse appliance supports…

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Netezza Default Port Numbers and Corresponding Environment Variables

IBM Netezza uses ports for nzsql CLI commands, JDBC, ODBC connections and nzadmin tool. The IBM Netezza system uses the following port numbers or environmental variables for the CLI commands and the NzAdmin tool. In this article, we will check Netezza default port numbers and corresponding environment variables. Netezza Default Port Numbers and Corresponding Environment Variables The following table lists the default ports and corresponding environment variables: Port # Environment Variables Description 5480 NZ_DBMS_PORT The postgres port for the nzsql command, NzAdmin ODBC, and JDBC. 5481 NZ_CLIENT_MGR_PORT The port for…

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