How to do SQL select top N … in AS400

Question

How do you perform a

Select top N * from as400table

type query against an as400/db2 database

Answer 1

I am only a baby-geek when it comes to IBM--I am a SQL Server guy. But I found the rownumber approach (which I have used successfully in Oracle) did not work in DB2. I used this one:

SELECT
     MYFIELD 
FROM
     "SCHEMANAME"."TABLENAME" 
WHERE
     FILTERCOL1 = 000001 
     AND FILTERCOL2 = 1 
ORDER BY
     MYFIELD DESC FETCH FIRST ROW ONLY

(I ordered descending because I needed the last value.)

Hope this helps. Joey