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Select Entries from Whole Week

Get all entries from "the whole week" (begin: Monday end: Sunday) from e.g the day sysdate - 222 (today: 20.10.2004) . This means all entries with a date between 08.03.2004 and 14.03.2004 (including the borders !)

create or replace
procedure whole_week (week date) is

total number(6);
day varchar2(20);

begin
total:=0;

select to_char(sysdate,'day') into day from dual;

if day='montag' then
select sum(total) into total from s_ord where date_ordered between week-1 and week+5;

else if day='dienstag' then
select sum(total) into total from s_ord where date_ordered between week-2 and week+4;

else if day='mittwoch' then
select sum(total) into total from s_ord where date_ordered between week-3 and week+3;

else if day='donnerstag' then
select sum(total) into total from s_ord where date_ordered between week-4 and week+2;

else if day='freitag' then
select sum(total) into total from s_ord where date_ordered between week-5 and week+1;

else if day='samstag' then
select sum(total) into total from s_ord where date_ordered between week-6 and week;

else if day='sonntag' then
select sum(total) into total from s_ord where date_ordered between week and week+6;

else
dbms_output.put_line('kein tag');

end if;
end if;
end if;
end if;
end if;
end if;
end if;
dbms_output.put_line(total);

end;
/

begin
whole_week(sysdate+1);
end;
/

instead of montag you have to write monday and so on...i've hat a german version so i've got this names for the days.
montag is monday
dienstag is tuesday
mittwoch is wednesday
donnerstag is thursday
freitag is friday
samstag is saturday
sonntag is sunday

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