My query gets data from two tables and join them to give output as a single output. Subquery works without any error. But when i run the whole query i get an error like this.
Arithmetic overflow error converting varchar to data type numeric.
This is my query
SELECT a.REF_NO + ' - '
+ (SELECT DISTINCT ( c.c_name )
FROM C_MASTER c,
A_MASTER a
WHERE a.c_no = c._NO) AS refer
FROM [A_MASTER] a,
[C_MASTER] c
WHERE a.c_no = c._no
ORDER BY a.REF_NO
REF_NO is numeric data type.
Try this:
select CAST(a.REF_NO AS VARCHAR(100))
+' - '
+(select distinct (c.c_name) from C_MASTER c, A_MASTER a
where a.c_no=c._NO) as refer
from [A_MASTER] a, [C_MASTER] c
where a.c_no=c._no
order by a.REF_NO
Overall this looks like a sloppy query to me, but I can't improve upon it without more explanation about what you're trying to do, what you want your results to look like, and what your tables look like. Also, is there a reason you aren't using joins?
Try out with the below query. Use a join instead of separating tables with comma when writing queries.
Select distinct cast(a.ref_no as VARCHAR(50))+'-'+c.c_name
from C_MASTER c
Join A_MASTER a
On a.c_no=c._NO
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