Question

I got a problem with sql. i dunno why access and sql server keep show me the error.
I use phpmyadmin, but no issue.

I have 1 table. My table name is t_data

ID  MasterCode  DetailCode  Description  Item  Status
1       1           1.1      Resources   Meat     1
2       1           1.1      Resources   Meat     1
3       1           1.1      Resources   Meat     1
4       1           1.1      Resources   Meat     1
5       3           3.1       Utility    oil      1
6       2           2.1      Transport   BBM      1

I want to query that table and want the result looks like:

MasterCode  Description
    1       Resources
    2       Utility
    3       Transport

And here is my sql syntax

"select MasterCode, Description from t_data group by Description order by MasterCode"

Usually i just use that sql syntax, and i can get what i want. But now i can’t.

you tried to execute a query which does not include the specified expression as an aggregate function.

I got that error if i’m using access and sql server. If i’m using phpmyadmin in XAMPP, it working fine. But I don’t want to use phpmyadmin. I want to use access or sql server.

I already search on google about that error. and i change my sql into this.

"select count(*), Description from t_data group by Description "

and"select a.categoryMaster, b.categoryDesc from t_category a inner join t_category b on a.categoryDetail = b.categoryDetail"

not solved my problem, because i want to get the MasterCode too.

any solution? thanks.

Answer 1

You can use DISTINCT:

select distinct MasterCode, Description 
from t_data
order by MasterCode;

See SQL Fiddle with Demo

Or you might be able to use an aggregate function like MAX():

select max(MasterCode) MasterCode, Description 
from t_data
group by Description
order by MasterCode;

See SQL Fiddle with Demo