Conversion failed when converting the varchar value '%' to data type int

Question

I created a procedure and got this message

Conversion failed when converting the varchar value \'%\' to data type int.

create p         


        

Answer 1

This is in the where clause:

YEAR like '%'+@year+'%' and

@year is an integer. So, you need to convert it to a string:

YEAR like '%'+ cast(@year as varchar(255)) + '%' and

Why you are using like for a column called YEAR is suspicious. Perhaps you just want:

(YEAR = @year or @year IS NULL) and