How to retrieve latest date column comparing with rest of the date columns ??
Hi Friends,
I have 6 Date columns (some of col has Null data) I need to compare all 6 columns date, how can I produce recent date to
new Column! can you please help me Tsql Code or Function.
Thanks for advance.
Hej
create table datetest(id int,date1 datetime,date2 datetime,date3 datetime,date4 datetime)
insert into datetest values(1,GETDATE(),GETDATE()-1,GETDATE()-2,GETDATE()-3)
go
SELECT MAX(date_columns) AS max_dateFROM ( (SELECT date1 AS date_columns FROM datetest ) UNION ( SELECT date2 AS date_columns FROM datetest ) UNION ( SELECT date3 AS date_columns FROM datetest ) UNION ( SELECT date4 AS date_columns FROM datetest ) ) AS date_query
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