In this tutorial, I will cover the following items:In Teradata, the column naming standards are different:The nullability of the column can be different when using ISNULL compared with COALESCE in SQL Server. Includes tools for creating Teradata tables and views and tools for altering and dropping tables and views.The Teradata database query tool provided by RazorSQL includes visual tools for working with Teradata, a Teradata database browser, an SQL editor, import and export tools, a query builder, and an edit table tool. In SQL Server, the identifiers must follow the following rules:There is no Schema concept in Teradata but Database/User is similar to the schema in SQL Server. Recursive Queries - Teradata Database Teradata Database SQL Fundamentals prodname Teradata Database vrm_release 15.10 category Programming Reference featnum B035-1141-151K. If you click on one of the rows in the SQL Statement column, the contents will be copied into the Query window. Any Teradata USER is also a DATABASE, but not all DATABASEs are USERs. Both SQL Server and Teradata support this function. It is recommended to use the ANSI standard functions/expressions so that you can migrate to each other smoothly.In article Teradata SQL...In Teradata, you can also define auto-increased columns.If col1 is equal to col2, the function returns a NULL; otherwise, it returns the col1 value.In Teradata, use ‘DATABASE $DatabaseName;’ statement to set the default database.Teradata supports column alias and they have to enclosed with double quotes if there is a space in the name( you can use single quote or [] in SQL Server).COALESCE is the ANSI standard function. Build multi-table joins.Edit tables in a spreadsheet format with support for finding and replacing data, automatic generation of SQL, and support for editing multi-line data. Teradata SQL Assistant stores, retrieves, and manipulates data from Teradata Database (or any database that provides an ODBC interface). See below for more information: If you want to evaluate columns with NULL value, you need to use the second format.This page shows you how to use LIKEThe following code snippets show how to use round numbers to hundreds or thousands in Teradata. warning Alert - The following code snippets are used to round to the smallest hundreds or thousands that is equal or greater than the i...Please follow the post below to setup the sample databases in SQL Server and Teradata if you haven’t.To format data, please refer to the following links:For the previous example, the query can be rewritten using ISNULL in SQL Server.Bothe the two platforms supports NULLIF function. A recursive query is a way to query hierarchies of data, such as an organizational structure, bill-of-materials, and document hierarchy. Basic Teradata Query Reference - Basic Teradata Query prodname Basic Teradata Query vrm_release 16.00 created_date November 2016 category Programming Reference featnum B035-2414-086K. A record of all your previously submitted queries should be recorded in your "history database".
The date and time functions in Teradata are not all the same as SQL Server: DATE or CURRENT_DATE - Both displays current date. If you do not see the window, try clicking the menu bar sequence View -> Show History. Please be careful when you use it as it may impact the execution plan significantly.In SQL Server, identity is frequently used. The COALESCE function accepts a list of expressions as input and returns the first that is not NULL, or NULL if all are NULLs.SELECT is one of the most commonly used statements. In addition to ODBC connectivity, Teradata SQL Assistant can connect to Teradata Database using .NET Data Provider for … The product consists of client, server, and administrator components. @Mahe I could not identify any issue with your query directly.For string concatenation, the operator is ‘+’in SQL Server while it is ‘||’in Teradata (same as Oracle).Please refer to the following links to understand all the data types in SQL Server and Teradata.There are some other useful variations in Teradata for NULL.COALESCE(<exp1>, <exp2>, …, <expn>)As both SQL Server and Teradata are following ANSI standards, you can easily convert your T-SQL to Teradata SQL and vice versa. * The function names mentioned above are based on SQL Server; Teradata’s equivalent functions may have same or different names.There is no ISNULL equivalent function in Teradata and you need to use COALESCE.Is your connection using the same credential as you were using in SQL Assistant?The SQL Server sample is the simple version while the Teradata one is following the search format. See below for more information:Easily build select, insert, delete, and update SQL queries. There are multiple choices:In next tutorial, I will demonstrate the differences of filtering and sorting data.This page shows how to trim or remove leading or/and trailing zeros using Teradata SQL.The date and time functions in Teradata are not all the same as SQL Server:Both platforms cover the commonly used data types (Exact numerics, Unicode character strings, Approximate numerics, Binary strings, Date and time, Character strings …) while keeping its own extensions/variations.In Teradata, you can also use the following clause for substring:In both Teradata and SQL Server, there are two forms of CASE expressions: