Change return value of selected SELECT statement

You can change the value of a selected column with the help of conditions. In select statement, case-when-statement takes  if-statement’s place.

THEN if_value ELSE else_value END AS column_name

Sample of a case when statement:

CASE WHEN A.containsParameter=1 THEN 'Yes' ELSE 'No' END as containsParameter

WhatILearnTodaySeries #1

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