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In Teradata, Common Table Expression (CTE) is supported as other databases. You can create recursive CTE or use a reference of a CTE to another CTE. However there is a slight differences compared with other databases - The referenced CTE must be present after the referencing CTE. For exampl...
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Tutorial –1 For Teradata developers, if you have no SQL Server installed, please go to the following link to download the SQL Server 2014 Expression Edition. ...
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Teradata published an official Python module which can be used in DevOps projects. More details can be found at the following GitHub site: https://github.com/Teradata/PyTd Install Teradata module ...
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In this serial, I will compare Teradata SQL with T-SQL with samples provided. This is mainly prepared for SQL Server DBAs, Developers and other users to help them quickly master the common used SQLs in Teradata platform. Similar to T-SQL, Teradata SQL implements most part of the ANSI SQL with ext...
In my previous posts about Querying Teradata and SQL Server, I logged into the virtual machine graphic interface to manage the database. However, I constantly found it is resource intensive as there is only 4GB memory in my laptop. Instead, I will use text mode to start the virtual machine and co...
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SELECT is one of the most commonly used statements. In this tutorial, I will cover the following items: Two of the principal query clauses—FROM and SELECT Data Types Built-in functions CASE expressions and variations like ISNULL and COALESCE. * The functio...
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In this post, I will demonstrate how to connect to Teradata database via .NET Data Provider for Teradata using C#. Prerequisites Install the .NET Data Provider for Teradata from the following link: ...
In this article, I am going to introduce how to install Teradata Express in virtual machines in Windows. Download software 1) Download VMware Player for Windows 32-bit and 64-bit from the following link (version 6.0): ...
Infosphere DataStage is adopted as ETL (Extract, Transform, Load) tool in many Teradata based data warehousing projects. With the Teradata ODBC and .NET data providers, you can also use the BI tools from Microsoft, i.e. SSIS. In my previous post, I demonstrated how to install Teradata Tool...
This page summarize some of the commonly used views in Teradata. Conventions In all the views in the following sections, X views are also available though they only return rows that contain information on objects that the requesting database user owns, created, granted privilige on,...
