add a comma (,) in Oracle
问题 Given this query: select distinct subject_key from mytable Result: subject_key ----------- 90896959 90895823 90690171 90669265 90671321 How do i write a query in Oracle (using Aqua Data Studio backend Oracle 8i) result: subject_key ----------- 90896959, 90895823, 90690171, 90669265, 90671321 THANKS ALL! Should I wish to change the output across instead of down like below. How do I write it, same platform. Thanks. subject_key 90896959, 90895823, 90690171, 90669265, 90671321 回答1: Oracle doesn't