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https://www.ibm.com/support/knowledgecenter/en/SSULQD_7.1.0/com.ibm.nz.dbu.doc/r_dbuser_with_clause.html
Recursive queries for the WITH Clause are not supported. Before downgrading to an IBM® Netezza® system version that does not support the With Clause syntax, all SQL objects (views and stored procedures) that use this new syntax must be removed from the system.
https://dwgeek.com/netezza-with-clause-syntax-examples.html/
The other databases like Teradata supports creating RECURSIVE using WITH clause but Netezza does not support RECURSIVE or hierarchical query.. Netezza WITH Clause Syntax. Below is the syntax for WITH clause: [ <WITH clause> ] < <with list element> [ { <comma> <with list element> }... ]> <query expression body>;
https://dwgeek.com/netezza-recursive-query-alternative-examples.html/
Apr 15, 2019 · 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.
https://stackoverflow.com/questions/29802571/with-clause-in-netezza
Apr 22, 2015 · WITH CLAUSE in Netezza. Ask Question 0. Unable to use JOIN inside the WITH CLAUSE ... Netezza does not currently (as of v7.2) support recursive CTE/WITH expressions. share improve this answer. answered Apr 22 '15 at 17:54. ScottMcG ScottMcG. 3,412 2 2 gold badges 7 7 silver badges 21 21 bronze badges.
https://www.ibm.com/support/knowledgecenter/en/SS6NHC/com.ibm.swg.im.dashdb.apdv.porting.doc/doc/compat_SQL.html
The Db2 CREATE TABLE statement does not support the ORGANIZE ON clause. This clause is used in Netezza for clustered base tables (CBTs), which are not supported in Db2 products. The Db2 ORGANIZE BY clause is not equivalent to the Netezza ORGANIZE ON clause; substituting the ORGANIZE BY clause for the ORGANIZE ON clause will likely cause problems.
https://stackoverflow.com/questions/41539417/netezza-how-does-the-where-clause-influence-the-estimated-rows-number-in-query
Jan 14, 2017 · It is most likely more or less irrelevant to add the AGE restriction, and Netezza will know that. In general you should not worry about estimated number of rows being a bit off (as in this case) with netezza, it will most often get it "right enough" and throw hardware at …
https://www.oreilly.com/library/view/netezza-sql/9781940540283/xhtml/chapter02.html
Chapter 2 – The WHERE Clause "I have a dream that my four little children will one day live in a nation where they will not be judged by the … - Selection from Netezza SQL [Book]
https://www.ironsidegroup.com/2013/10/01/netezza-design-best-practices-guidelines/
Oct 01, 2013 · IBM Netezza Analytics is designed to quickly and effectively provide better and faster answers to the most sophisticated business questions. It is IBM Netezza’s most powerful advanced analytics platform that provides the technology infrastructure to support enterprise deployment of in-database analytics.
https://www.postgresql.org/docs/9.1/queries-with.html
7.8. WITH Queries (Common Table Expressions). WITH provides a way to write auxiliary statements for use in a larger query. These statements, which are often referred to as Common Table Expressions or CTEs, can be thought of as defining temporary tables that exist just for one query.Each auxiliary statement in a WITH clause can be a SELECT, INSERT, UPDATE, or DELETE; and the WITH clause …
http://www.dba-oracle.com/t_sql99_with_clause.htm
Starting in Oracle9i release 2 we saw an incorporation of the SQL-99 WITH clause (a.k.a. subquery factoring), a tool for materializing subqueries to save Oracle from having to re-compute them multiple times. The SQL WITH clause is very similar to the use of Global temporary tables (GTT), a technique that is often used to improve query speed for complex subqueries.
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