Example: UPDATE Specifying a Correlation Name for the Updated Table in the FROM Clause - Advanced SQL Engine - Teradata Database

SQL Data Manipulation Language

Product
Advanced SQL Engine
Teradata Database
Release Number
17.00
Published
September 2020
Language
English (United States)
Last Update
2021-01-23
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dita:id
B035-1146
lifecycle
previous
Product Category
Teradata Vantage™

Because the following UPDATE request specifies the correlation name e for employee in its FROM clause, you must specify e in place of employee immediately following the UPDATE keyword.

     UPDATE e
     FROM employee AS e, department AS d
     SET salary = salary * 1.05
     WHERE e.emp_no = d.emp_no;