Selecting duplicates within a time period of each other? [SOLVED]

Using Oracle 9i 9.2.0.6.0
I'm trying to return all the rows in a table where the entries are the same and within a certain amount of time of each other (15 seconds or less). The time is not stored as a date, but rather as a number, seperate from the date column. What makes an entry a duplicate is based on a combination of columns in the table.
If the table is:
store_id customer_id product_id date_started time_started
101 12345 001 2008/09/14 153412
101 22345 001 2008/09/14 153413
102 12222 021 2008/09/14 161005
102 12222 040 2008/09/14 161120
102 33355 555 2008/09/14 171244
102 33355 555 2008/09/14 171244
300 70012 313 2008/09/14 111502
300 70012 313 2008/09/14 111503
300 70012 313 2008/09/14 111504
300 54321 424 2008/09/14 153412
I would want to return
102 33355 555 2008/09/14 171244
102 33355 555 2008/09/14 171244
300 70012 313 2008/09/14 111502
300 70012 313 2008/09/14 111503
300 70012 313 2008/09/14 111504
I can't seem to wrap my head around how to do this. Any suggestions?
Edited by: user10269852 on Sep 16, 2008 1:27 PM
Edited by: a small rabbit on Sep 18, 2008 7:49 AM

SQL> with t as (
2 select '101' store_id,'12345' customer_id,'001' product_id,to_date('2008/09/14','YYYY/MM/DD') date_started,153412 time_started from dual union all
3 select '101','22345','001',to_date('2008/09/14','YYYY/MM/DD'),153413 from dual union all
4 select '102','12222','021',to_date('2008/09/14','YYYY/MM/DD'),161005 from dual union all
5 select '102','12222','040',to_date('2008/09/14','YYYY/MM/DD'),161120 from dual union all
6 select '102','33355','555',to_date('2008/09/14','YYYY/MM/DD'),171244 from dual union all
7 select '102','33355','555',to_date('2008/09/14','YYYY/MM/DD'),171244 from dual union all
8 select '300','70012','313',to_date('2008/09/14','YYYY/MM/DD'),111502 from dual union all
9 select '300','70012','313',to_date('2008/09/14','YYYY/MM/DD'),111503 from dual union all
10 select '300','70012','313',to_date('2008/09/14','YYYY/MM/DD'),111504 from dual union all
11 select '300','54321','424',to_date('2008/09/14','YYYY/MM/DD'),153412 from dual
12 )
13 select store_id,
14 customer_id,
15 product_id,
16 date_started,
17 time_started
18 from (
19 select t1.*,
20 case
21 when lead(datetime_started) over(partition by store_id,customer_id,product_id order by datetime_started) - datetime_started <= 15 then 1
22 when datetime_started - lag(datetime_started) over(partition by store_id,customer_id,product_id order by datetime_started) <= 15 then 1
23 else 0
24 end indicator
25 from (
26 select t.*,
27 to_date(to_char(date_started,'YYYYMMDD') || to_char(time_started,'000000'),'YYYYMMDDHH24MISS') datetime_started
28 from t
29 ) t1
30 )
31 where indicator = 1
32 /
STO CUSTO PRO DATE_STAR TIME_STARTED
102 33355 555 14-SEP-08 171244
102 33355 555 14-SEP-08 171244
300 70012 313 14-SEP-08 111502
300 70012 313 14-SEP-08 111503
300 70012 313 14-SEP-08 111504
SQL> SY.

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