Query : first and last 25 records of a table

Hi @ll,
i am going to write a query for a report. Therefor i need the first and last 25 records of a table. Does anyone got an idea for a solution ? I was trying to achieve this by using a WHERE clause. Here is a part of the query :
SELECT
TOP 10 T1.[ItemCode], DATEPART(mm, T1.[DocDate]) [.....]
FROM FROM INV1 T1
Where T1.[DocDate] >= Cast('2009 [......] AND
T1.ItemCode = (
SELECT TOP 10 T40.[ItemCode]
FROM DBO.OINM
WHERE Where T40.[DocDate] >= Cast('2009-04-01 00:00:00' AS datetime)
AND T40.[DocDate] <= Cast('2009-04-30 00:00:00' AS datetime)
GROUP BY T1.[ItemCode], DATEPART(mm, T40.[DocDate])
ORDER BY SUM(T1.[TotalSumSy]) ASC)
The where part i would use twice, once for ascending the other one for descending. But it does not work.
Any ideas ?
Regards Steffen

Hi,
Union was the keyword, that i was searching for. It is a nice way, but not practible.
We are using coresuite for generating reports, and there were a nice possibility to connect diffrent queries.
Thanks for your suggestion.
Regards Steffen

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Hello
I have the following query
<tt>select 1 seq, 'This is First record' data from dual union all
select 2, 'Data ' || tname from tab union all
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select case row_number() over (order by tname)
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Say I have the following information in an Oracle 11g table:
Qty
Production order
Date and time
20
00000000000000001
12-JAN-14 00:02
20
00000000000000001
12-JAN-14 00:05
20
00000000000000001
12-JAN-14 00:07
20
00000000000000001
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00000000000000002
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30
00000000000000002
12-JAN-14 00:15
30
00000000000000002
12-JAN-14 00:20
30
00000000000000002
14-JAN-14 00:29
I would like to write a query that would return the following:
Qty
Production order
First
Last
80
00000000000000001
12-JAN-14 00:02
13-JAN-14 00:09
120
00000000000000002
12-JAN-14 00:11
14-JAN-14 00:29
That is, the sum of the Qty column grouped by Production order, and the date/time of the first and last records for each Production order.
I came up with a query that yielded this result:
Qty
Production order
First
Last
80
00000000000000001
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14-JAN-14 00:29
120
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12-JAN-14 00:02
14-JAN-14 00:29
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I came up with since work policies do not allow me to share it. Also, I tried with windowing functions such as rank()and row_number() but my user does not have enough privileges to do so.
Any help or hints will be greatly appreciated.

Due to the fact that Oracle does not record the rows in any particular order, it would be wrong that the "first date" would be the first row processed by the query.
Therefore you would have to supply some other column if you do not want to consider the table as ordered by date.
Also, any analytical functions will need you to supply the "order by" and if its the date, then just a simple query will do:
SQL>WITH Tab1 (Qty, Production_Order, Pdate)
2       AS (SELECT 20, '00000000000000001', TO_DATE ( '12-JAN-14 00:02', 'DD-MON-YY HH24:MI') FROM DUAL UNION ALL
3           SELECT 20, '00000000000000001', TO_DATE ( '12-JAN-14 00:05', 'DD-MON-YY HH24:MI') FROM DUAL UNION ALL
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5           SELECT 20, '00000000000000001', TO_DATE ( '13-JAN-14 00:09', 'DD-MON-YY HH24:MI') FROM DUAL UNION ALL
6           SELECT 30, '00000000000000002', TO_DATE ( '12-JAN-14 00:11', 'DD-MON-YY HH24:MI') FROM DUAL UNION ALL
7           SELECT 30, '00000000000000002', TO_DATE ( '12-JAN-14 00:15', 'DD-MON-YY HH24:MI') FROM DUAL UNION ALL
8           SELECT 30, '00000000000000002', TO_DATE ( '12-JAN-14 00:20', 'DD-MON-YY HH24:MI') FROM DUAL UNION ALL
9           SELECT 30, '00000000000000002', TO_DATE ( '14-JAN-14 00:29', 'DD-MON-YY HH24:MI') FROM DUAL)
10 SELECT   SUM ( Qty), Production_Order, MIN ( Pdate), MAX ( Pdate)
11      FROM Tab1
12 GROUP BY Production_Order
13* ORDER BY Production_Order
SQL> /
SUM(QTY) PRODUCTION_ORDER     MIN(PDATE)                    MAX(PDATE)
        80 00000000000000001    12-Jan-2014 00:02:00          13-Jan-2014 00:09:00
       120 00000000000000002    12-Jan-2014 00:11:00          14-Jan-2014 00:29:00

How to get the first and last record

Hai All
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form 13 june to 15 june data are here
Kind Regards
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Something like this can also indicate the first and last rows as you query...
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2        ,case row_number() over (order by hiredate)
3           when 1 then 'First Row'
4           when count(*) over () then 'Last Row'
5         end as flag
6 from emp;
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      7369 SMITH      17/12/1980 00:00:00 First Row
      7499 ALLEN      20/02/1981 00:00:00
      7521 WARD       22/02/1981 00:00:00
      7566 JONES      02/04/1981 00:00:00
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      7844 TURNER     08/09/1981 00:00:00
      7654 MARTIN     28/09/1981 00:00:00
      7839 KING       17/11/1981 00:00:00
      7900 JAMES      03/12/1981 00:00:00
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First and Last Record

Hi everybody,
I have problem with first and last record.How can I specified that current record is first and last record.
it means that is any statement exist that determine :System.first_record is equal to :System.last_record.
It's very emergancy.
Thanks for your attention and your help.
/Shiva

You can try this:
if :system.cursor_record = '1' and :system.last_record = 'TRUE' then
-- this is the only record in block
end if;
Hi everybody,
I have problem with first and last record.How can I specified that current record is first and last record.
it means that is any statement exist that determine :System.first_record is equal to :System.last_record.
It's very emergancy.
Thanks for your attention and your help.
/Shiva

Fetch first and last record together

Hi All,
I want to fetch first and last records. I have done through ROWNUM, but I need some alternative ways, may be through RANK function.
Please help on this.
here sample data:
WITH t AS
(SELECT 100 sid, 'ABC' SNAME, 4 status_id, SYSDATE + 1/24 start_date FROM dual UNION ALL
SELECT 100 sid, 'ABC' SNAME, 5 status_id ,SYSDATE + 2/24 start_date FROM dual UNION ALL
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SELECT 100 sid, 'ABC' SNAME, 7 status_id ,SYSDATE + 3/24 start_date FROM dual UNION ALL
SELECT 100 sid, 'ABC' SNAME, 8 status_id ,SYSDATE + 4/24 start_date FROM dual)
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if you want all the info on the same row.
/* Formatted on 10/19/2011 7:06:50 AM (QP5 v5.149.1003.31008) */
WITH t AS (SELECT 100 sid,
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                  SYSDATE + 1 / 24 start_date
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           SELECT 100 sid,
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                  5 status_id,
                  SYSDATE + 2 / 24 start_date
             FROM DUAL
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SELECT sid,
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            max_status,
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GROUP BY sid, sname
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Query to find first and last call made by selected number for date range

Hi,
query to find first and last call made by selected number for date range
according to filter:
mobile_no : 989.....
call_date_from : 25-april-2013
call_date_to : 26-april-2013
Please help

Hi,
It sounds like you want a Top-N Query , something like this:
WITH    got_nums   AS
     SELECT     table_x.*     -- or list columns wanted
     ,     ROW_NUMBER () OVER (ORDER BY call_date      ) AS a_num
     ,     ROW_NUMBER () OVER (ORDER BY call_date DESC) AS d_num
     FROM     table_x
     WHERE     mobile_no     = 989
     AND     call_date     >= DATE '2013-04-25'
     AND     call_date     < DATE '2013-04-26' + 1
SELECT *     -- or list all columns except a_num and d_num
FROM     got_nums
WHERE     1     IN (a_num, d_num)
;This forum is devoted to the SQL*Plus and iSQL*Plus front ends. This question doesn't have anything to do with any front end, does it? In the future, you'll get better response if you post questions like this in the PL/SQL.
I hope this answers your question.
If not, post a little sample data (CREATE TABLE and INSERT statements, relevant columns only), and also post the results you want from that data.
Explain, using specific examples, how you get those results from that data.
Always say which version of Oracle you're using (e.g., 11.2.0.2.0).
See the SQL forum FAQ {message:id=9360002}

SQL (first and last record)

Hi All,
WITH t AS
SELECT 100 region_id, 1001 Client_Id, 'client 1' Client_Name, 1 Status_id, 'progress' Status_name, SYSDATE + 1 Start_Date, SYSDATE + 1 End_Date FROM dual UNION ALL
SELECT 100 region_id, 1001 Client_Id, 'client 1' Client_Name, 2 Status_id, 'hold' Status_name ,SYSDATE + 1 Start_Date, SYSDATE + 1 End_Datet FROM dual UNION ALL
SELECT 100 region_id, 1001 Client_Id, 'client 1' Client_Name, 3 Status_id ,'reject' Status_name, SYSDATE + 1 Start_Date, SYSDATE + 1 End_Date FROM dual UNION ALL
SELECT 200 region_id, 1002 Client_Id, 'client 2' Client_Name, 1 Status_id, 'progress' Status_name, SYSDATE + 1 Start_Date, SYSDATE + 1 End_Date FROM dual UNION ALL
SELECT 200 region_id, 1002 Client_Id, 'client 2' Client_Name, 2 Status_id, 'hold' Status_name ,SYSDATE + 1 Start_Date, SYSDATE + 1 End_Datet FROM dual UNION ALL
SELECT 200 region_id, 1002 Client_Id, 'client 2' Client_Name, 3 Status_id ,'reject' Status_name, SYSDATE + 1 Start_Date, SYSDATE + 1 End_Date FROM dual UNION ALL
SELECT 200 region_id, 1002 Client_Id, 'client 2' Client_Name, 3 Status_id ,'progress' Status_name, SYSDATE + 1 Start_Date, SYSDATE + 1 End_Date FROM dual
SELECT * FROM t;Desired output:
REGION_ID     CLIENT_ID     CLIENT_NAME     STATUS_ID     STATUS_NAME     START_DATE                    END_DATE
100     1001     client 1                      1                     progress                     9/3/2011 12:26               9/3/2011 12:26
100     1001     client 1                      3                     reject                     9/3/2011 12:26                     9/3/2011 12:26
200     1002     client 2                      1                     progress                     9/3/2011 12:26                     9/3/2011 12:26thanks,

Hi,
Like Sven, I don't understand why you only want one output row for client_id=1002. Also, I don't understand what order determine "first" and "last". It's hard to guess because so many of the columns have the same value on every row.
My best guess is that status_id plays a part in deciding who is "first" and "last", and that you don't want to include ties (multiple rows with a equal claim to being "first" or "last") in the output.
WITH     got_analytics     AS
     SELECT     t.*     -- or whatever columns you want to display
     ,     ROW_NUMBER () OVER ( PARTITION BY region_id
                         ,             client_id
                         ,             client_name
                         ORDER BY        end_date
                         ,             start_date
                         ,             status_id
                        )     AS a_num
     ,     ROW_NUMBER () OVER ( PARTITION BY region_id
                         ,             client_id
                         ,             client_name
                         ORDER BY        end_date     DESC
                         ,             start_date     DESC
                         ,             status_id     DESC
                        )     AS d_num
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                         ,             client_id
                         ,             client_name
                         ,             end_date     -- NOTE: no ORDER BY
                         ,             start_date
                         ,             status_id
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SELECT       region_id, client_id, client_name, status_id, start_date, end_date
FROM       got_analytics
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Question.
For example, I have a table that has 50 records.
How do I, specify in SQL to only return the last 3 records of the table.
Select a.* from table a where ????

I was just trying to show an example to a friend on
how something like this would work and if it was even possible. But it won't work. Here's a simple example:
SQL> create table emp
2 (id)
3 as
4 select object_id
5 from   all_objects
6 order by object_id;
Table created.
SQL> select *
2 from (select rownum rn
3               ,b.*
4         from   emp b)
5 where rn > ( select (max(rownum) - 3)
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SQL> insert into emp values (60001);
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SQL> insert into emp values (60002);
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4         from   emp b)
5 where rn > ( select (max(rownum) - 3)
6                from    emp)
7 ;
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Edited by: davide gislon on 08-Jan-2009 07:19Your query does nothing you say it does. TO_DATE('&year','YYYY') returns first day of the current month for year &year. And the only reason it returns January 1, &year is that we are currently in January:
SQL> select TO_DATE('&year','YYYY') from dual
2 /
Enter value for year: 2005
old   1: select TO_DATE('&year','YYYY') from dual
new   1: select TO_DATE('2005','YYYY') from dual
TO_DATE('
01-JAN-05
SQL> As soon as we roll into February:
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2 /
System altered.
SQL> select sysdate from dual
2 /
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2 /
Enter value for year: 2005
old   1: select TO_DATE('&year','YYYY') from dual
new   1: select TO_DATE('2005','YYYY') from dual
TO_DATE('
01-FEB-05
SQL> alter system set fixed_date = NONE scope=both
2 /
System altered.
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2 /
SYSDATE
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If January 1 falls on a Monday, Tuesday, Wednesday, or Thursday, then the week is the first week of the new year, because most of the days in the week belong to the new year.Therefore, next year:
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2 /
Session altered.
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2 WHEN '1' THEN TO_DATE('0101&&year','MMDDYYYY')+((&&week-1)*7)
3 WHEN '2' THEN TO_DATE('0101&&year','MMDDYYYY')+((&&week-1)*7-1)
4 WHEN '3' THEN TO_DATE('0101&&year','MMDDYYYY')+((&&week-1)*7-2)
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6 WHEN '5' THEN TO_DATE('0101&&year','MMDDYYYY')+((&&week-1)*7+3)
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9 END BEGIN_FISICAL_WEEK
10 FROM DUAL
11 /
BEGIN_FI
04.01.10
SQL> SELECT TRUNC(TO_DATE('0101&&year','MMDDYYYY'),'IW') FROM DUAL
2 /
TRUNC(TO
28.12.09
SQL> 2 user10772980:
Use:
SELECT TRUNC(TO_DATE('0101&&year','MMDDYYYY'),'IW') + (&&week-1)*7 FISCAL_YEAR_&&YEAR._WEEK_&&WEEK
FROM DUAL
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SQL> SY.

Query : first and last 25 records of a table

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