Not getting the required output:

Question

BID BNAME BAUTHNAME
687 the haunted house steve breckman
692 the adventureof reny steve breckman
672 the adventureof rosy steve breckman
672 the adventureof niel steve breckman
677 the dog zone steve houstin
BID SID BTAKE BRET
692 123 22-AUG-11 30-AUG-11
672 124 22-SEP-11 30-SEP-11
677 127 22-OCT-11 30-OCT-11
677 129 22-DEC-11 30-DEC-11
create or replace procedure book is
cursor cur is select count(b.bid) bidd,b.bname bnn,bd.btake from books b,booksdate bd where b.bid=bd.bid group by b.bname,bd.btake;
begin
for rec in cur
loop
dbms_output.put_line(rec.bnn||'has been purchased'||rec.bidd||'times');
end loop;
end;
the o/p should look like
the bookname purchased 2 times
the bookname purchased 1 time
can anyone jus modify it?

Answer 1

Maybe NOT TESTED! remember the [url http://asktom.oracle.com/pls/apex/f?p=100:11:0::::P11_QUESTION_ID:73891904732164]mantra
with
books as
(select 687 bid,'the haunted house' bname,'steve breckman' bauthname from dual union all
select 692,'the adventure of reny','steve breckman' from dual union all
select 672,'the adventure of rosy','steve breckman' from dual union all
select 672,'the adventure of niel','steve breckman' from dual union all
select 677,'the dog zone','steve houstin' from dual
borrowing as
(select 692 bid,123 sid,to_date('22-AUG-11','DD-MON-YY') btake,to_date('30-AUG-11','DD-MON-YY') bret from dual union all
select 672,124,to_date('22-SEP-11','DD-MON-YY'),to_date('30-SEP-11','DD-MON-YY') from dual union all
select 677,127,to_date('22-OCT-11','DD-MON-YY'),to_date('30-OCT-11','DD-MON-YY') from dual union all
select 677,129,to_date('22-DEC-11','DD-MON-YY'),to_date('30-DEC-11','DD-MON-YY') from dual
select b.bname || ' borrowed ' || to_char(c.the_count) || decode(c.the_count,1,' time',' times')
  from books b,
       (select bid,count(*) the_count
          from borrowing
         group by bid
       ) c
where b.bid = c.bidRegards
Etbin