select * from (select * from <table> order by <key>) where rownum=1; select * from (select * from <table> order by <key> desc) where rownum=1;原文链接：https://www.f2er.com/oracle/210411.html
select * from (select * from <table> order by <key>) where rownum=1; select * from (select * from <table> order by <key> desc) where rownum=1;原文链接：https://www.f2er.com/oracle/210411.html
