SORRY LATE IN RESPONSE On Sun, Feb 27, 2011 at 1:38 PM, faisal khan <mfaks...@gmail.com> wrote:
> Hi > TRY THIS... > > select case when ACTION_FLAG = 'Y' then > (select min(ORDER_NO) from ABC where ACTION_FLAG = 'N') > when ACTION_FLAG = 'N' then > NVL((select min(ORDER_NO) from ABC where ORDER_NO > (select max(ORDER_NO) > from ABC where ACTION_FLAG = 'Y')), > (SELECT MIN(ORDER_NO) FROM ABC )) > end acc > from ABC where order_no = (select max(order_no) from ABC); > > > > > > On Fri, Feb 18, 2011 at 12:31 AM, gayathri Dev <gd0...@gmail.com> wrote: > >> Hi all, >> >> I am seriously thinking I need a good teacher who can teach me analytical >> functions. >> But with a min time i have got to resolve the hurdle I have. >> Below are the examples.. >> basically I shld check the last order's action flag if it is Y, then I >> shld pick the min order whose action_flag is N >> else if the last order's action flag is N, then I shld pick the greatest >> order who has taken action(action_flag = 'Y') >> and choose the next order after him. >> >> order action_flag >> 2 Y >> 4 N >> 6 N >> 7 N >> 8 Y >> should pick 4 >> >> order action_flag >> 2 Y >> 4 N >> 6 Y >> 7 N >> 8 N >> should select 7 >> >> order action_flag >> 2 N >> 4 N >> 6 N >> 7 N >> 8 N >> should select 2 >> >> order action_flag >> 2 N >> 4 Y >> 6 N >> 7 N >> 8 N >> 12 Y >> 14 N >> 15 N >> should select 14 >> >> Please help me building this query. >> >> Thanks in advance >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Oracle PL/SQL" group. >> To post to this group, send email to Oracle-PLSQL@googlegroups.com >> To unsubscribe from this group, send email to >> oracle-plsql-unsubscr...@googlegroups.com >> For more options, visit this group at >> http://groups.google.com/group/Oracle-PLSQL?hl=en > > > -- You received this message because you are subscribed to the Google Groups "Oracle PL/SQL" group. To post to this group, send email to Oracle-PLSQL@googlegroups.com To unsubscribe from this group, send email to oracle-plsql-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/Oracle-PLSQL?hl=en