Alias Names for Tables in SQL Query

Published on August 15, 2016 by Senthil Kumar

Filed under SQL Server

Last modified August 15, 2016

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There are times when you write query and end up qualifying the columns references by indicating the table name.

For example ,

SELECT Department.GroupName , Department.Name
FROM  HumanResources.Department; 

In the above query , the Department table is referred in the GroupName and Name column. Instead of mentioning the table table , we could provide a shortname or alias name for the table and use the alias name instead.

SELECT d.GroupName , d.Name
FROM  HumanResources.Department as d; 

The full use of the alias names can be seen especially when you are working joining multiple queries.

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