WebApr 11, 2024 · Cet article explique l'utilisation de CASE dans les requêtes SQL comprenant les instructions SELECT, ORDER BY, WHERE, HAVING et UPDATE à l'aide d'exemples … WebI have a SQL CASE statement that I would like to translate into a DAX measure for Excel Power Pivot: COUNT(DISTINCT CASE WHEN utm_source = 'google' AND utm_campaign = …
T-SQL CASE What is T-SQL CASE with Statement and Examples?
WebJun 7, 2024 · CASE; 1: IIF was introduced in SQL Server 2012: CASE was introduced in SQL server 2008: 2: IIF is a function: CASE is an expression: 3: Used to return one of the two values. Used to return one from two or more values. 4: Syntax: IIF ( boolean-expression, value-for-true, value-for-false ) Syntax: CASE input-expression Web2 days ago · If your DBA has (foolishly) changed the default collation to be case sensitive in MS SQL Server and (even more foolishly) is unwilling to set the collation in your specific … how did favila king of asturias die
SQL Server CASE Expression Overview - mssqltips.com
WebDec 15, 2024 · Using a CASE WHEN expression to assign values 0 or 1 to the table rows is just a little trick to make SUM () return the number of rows just like the COUNT () function would. The number of the subject with more than 20 lectures will be shown in the column mandatory_subjects. The same logic applies to the next CASE WHEN expression. WebJan 9, 2013 · 3 Answers. Please select the same in the outer select. You can't access the alias name in the same query. SELECT *, (CASE WHEN articleNumber < 2 THEN 'Ama' … WebMay 30, 2013 · --Does not fail on the divide by zero. SELECT CASE WHEN 1/1 = 1 THEN 'Case 1' WHEN 2/0 = 1 THEN 'Case 2' END FROM dual; --Fails on the divide by zero. SELECT CASE WHEN 1/1 = 99 THEN 'Case 1' WHEN 2/0 = 99 THEN 'Case 2' END FROM dual; This same test can't be done with MySQL because it returns NULL for division by zero. how many seasons of x files were made