Give me Sql Query for this problem?. Please Help Me........

Question

This is my exact requirements
My PNO table formart is
PNO PDate PCount
P001 08/27/05 20
P001 08/29/05 10
P002 08/27/05 20
P003 08/28/05 20
P003 08/28/05 20
I want to display the total (PCount) PNumber for this week.
PNo Sat (27th) Sun(28th) Mon(29th) .........Fri(2/09/2005)
P001 20 0 10 0
P002 20 30 0 0
P003 0 40 0 0
or at least i want to display, i mean if there is no record for P003 on starturday, it will display 0.
PNo Sat (27th)
P001 20
P002 20
P003 0
first iam getting distinct PNo for this week, and check whether these number occurs on saturday if occur then display count otherwise display 0
Millons of thanks in advance...
Message was edited by:
user448874

Answer 1

EZECASH@ORCL> select * from pno_table;
PNO  PDATE         PCOUNT
P001 27-AUG-05         20
P001 29-AUG-05         10
P002 27-AUG-05         20
P003 28-AUG-05         20
P003 28-AUG-05         20
P001 02-SEP-05         10
P001 03-SEP-05         15
P002 03-SEP-05         10
P002 04-SEP-05         10
9 rows selected.
EZECASH@ORCL> select next_day(trunc(sysdate)-7,'sat') d1,next_day(trunc(sysdate)-7,'sat')+1 d2,next_day(trunc(sysdate)-7,'sat')+2 d3,
  2    next_day(trunc(sysdate)-7,'sat')+3 d4,next_day(trunc(sysdate)-7,'sat')+4 d5,next_day(trunc(sysdate)-7,'sat')+5 d6,
  3    next_day(trunc(sysdate)-7,'sat')+6 d7
  4  from dual
  5  /
D1        D2        D3        D4        D5        D6        D7
27-AUG-05 28-AUG-05 29-AUG-05 30-AUG-05 31-AUG-05 01-SEP-05 02-SEP-05
EZECASH@ORCL> select pno,sum(decode(trunc(pdate),d1,pcount,0)) day1Sum, sum(decode(trunc(pdate),d2,pcount,0)) day2Sum,
  2  sum(decode(trunc(pdate),d3,pcount,0)) day3Sum,sum(decode(trunc(pdate),d4,pcount,0)) day4Sum,
  3  sum(decode(trunc(pdate),d5,pcount,0)) day5Sum,sum(decode(trunc(pdate),d6,pcount,0)) day6Sum,
  4  sum(decode(trunc(pdate),d7,pcount,0)) day7Sum
  5  from  pno_table,
  6  (select next_day(trunc(sysdate)-7,'sat') d1,next_day(trunc(sysdate)-7,'sat')+1 d2,next_day(trunc(sysdate)-7,'sat')+2 d3,
  7    next_day(trunc(sysdate)-7,'sat')+3 d4,next_day(trunc(sysdate)-7,'sat')+4 d5,next_day(trunc(sysdate)-7,'sat')+5 d6,
  8    next_day(trunc(sysdate)-7,'sat')+6 d7
  9  from dual) w
10  where pdate >= next_day(trunc(sysdate)-7,'sat')
11  group by pno
12  /
PNO     DAY1SUM    DAY2SUM    DAY3SUM    DAY4SUM    DAY5SUM    DAY6SUM    DAY7SUM
P001         20          0         10          0          0          0         10
P002         20          0          0          0          0          0          0
P003          0         40          0          0          0          0          0
EZECASH@ORCL>