Proc SQL query - Select Minimum Record

[scb]

dataset a

Date           RefNo      Amount

01Jun16     ABC        1000

02Jun16     ABC        1000

03Jun16     ABC        1000

01Jan16     VCV         2100

02Jan16     VCV         2100

03Jan16     VCV         2100

.......etc

May I know how to get the following dataset using proc sql? I need the minumum date record for each RefNo.

Date           RefNo      Amount

01Jun16     ABC        1000

01Jan16     VCV         2100

Thanks.

[Reeza]

proc sql;
create table want as
select *
from have
group by refno
having date=min(date);
quit;

You can filter your dataset based on the HAVING clause.