troubleshooting Question

SQL Syntax - convert varchar yymmdd to varchar yyyymmdd

Avatar of robthomas09
robthomas09 asked on
Microsoft SQL Server 2005SQL
8 Comments3 Solutions1775 ViewsLast Modified:
Hello experts,

I have a desire to convert a column called recall_date to varchar yyyymmdd, which currently is formatted yymmdd.  

The recall_date column has plenty of null values so we want to filter those out. When I run the below script I receive the error:

Msg 8115, Level 16, State 2, Line 1
Arithmetic overflow error converting expression to data type datetime.
The statement has been terminated.

I realize that my 103 is a datetime convert - but I can go from datetime to yyyymmdd which is why I did that.  There is likely an easier way.

Thanks!

update demo_out2
set recall_date = 
case when recall_date is not null 
and len(recall_date) = 6
then CONVERT(varchar, CAST(recall_date AS DATETIME), 103) 
else '' end
ASKER CERTIFIED SOLUTION
Sharath S
Data Engineer

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