Strange date query

In my procedure I convert a varchar input to a date as:
lv_mydate := to_date(p_passed_date,'mm/dd/yyyy')
The p_passed_date is a varchar type and lv_mydate is a date type
Now, when I use this lv_mydate in my select query no rows are returned although there are mathing ones. But, when I apply to_date to the lv_mydate variable as:
select....where..datecol=to_date(lv_mydate,'dd-Mon-yy')
I get the matching rows. Is this a bug or I'm missing something over here?

Check your session env.:
[email protected]> select * from nls_session_parameters where parameter = 'NLS_DATE_FORMAT';
PARAMETER VALUE
NLS_DATE_FORMAT dd-mm-yyyy hh24:mi:ss
You should convert parameter to the format used in your session than it should work without to_date in where clause
Best Regards
Krystian Zieja / mob

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When adding photo's to a shared photo stream sometimes strange dates appear.
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How can I use FK description in a BC4J data query component?

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1. If I pass the value new Date() in then it generates
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2. If I use SimpleDateFormat with the format âyyyy/mm/dd" it creates
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How can I make the Toplink to generate date without the time component? Preferably if there is a way for toplink to generate the date based on the Java SimpleDateFormat that would be good.
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Date query problem

Hi,
On a report I'm trying to do a date query:
select * from table v
where ..........
and ( to_date(v.fecha_inicio, 'dd/mm/yyyy')
between nvl(to_date(:P_BEGIN, 'dd/mm/yyyy'),
to_date('01/01/0001', 'dd/mm/yyyy'))
and nvl(to_date(:P_END, 'dd/mm/yyyy'),
to_date('31/12/9999', 'dd/mm/yyyy')) )
and could not get the right data (return no rows), I though it was a problem with my itmes so changed the item reference for the actual values:
select * from table v
where ..........
and ( to_date(v.begin_date, 'dd/mm/yyyy')
between nvl(to_date('01/10/2006', 'dd/mm/yyyy'),
to_date('01/01/0001', 'dd/mm/yyyy'))
and nvl(to_date('31/10/2006', 'dd/mm/yyyy'),
to_date('31/12/9999', 'dd/mm/yyyy')) )
and the result is the same.
If change to
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between nvl(to_date('01/10/2006', 'dd/mm/yyyy'), to_date('01/01/0001', 'dd/mm/yyyy') )
and nvl(to_date('31/10/2006', 'dd/mm/yyyy'), to_date('31/12/9999', 'dd/mm/yyyy') ) )
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My question is why I could not get the right data on apex ?
Thanks you

I made the changes and is the same thing, no rows returned. If I try to evaluate between or > < is the same.
I tried
AND (to_char(v.fecha_inicio, 'yyyy') = '2006' )
AND (to_char(v.fecha_inicio, 'mm') = '11' )
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So I'm thinking to change my conditions so select a month and year to show. Don't think my user will be happy but for the moment ......
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pm wrote:
Hi ,
I am working on below query optimization/Tuning.
SELECT
c_date,
c1,
c2,
c3,
c4,
c5,
c6
FROM tab1
WHERE
ROWNUM <= &param
AND ( c_date BETWEEN &date1 AND &date2 )
AND c3 in (
select c3
from tab2
where xxx='abc')
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PMBefore you start worrying about performance tuning you should worry about the query being incorrect.
         WHERE
             ROWNUM <= &param
             AND   ( c_date BETWEEN &date1 AND &date2 )
             AND c3 in (
                                         select c3
                                         from tab2
                                         where xxx='abc')
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Please read this and learn how queries are actually processed, I can almost guarantee you this query is not doing what you think it is doing at present.
http://www.oracle.com/technetwork/issue-archive/2006/06-sep/o56asktom-086197.html
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Date query results

Hello eveybody.
Im facing a strange problem.
I have one table with a date item (fecha) and some numeric items. All the rows in table have the date item correct.
But if I query
Select sum(a1), sum(a2), sum(an) from table where fecha > Xfecha it give me one results diferent than if I query
Select sum(a1), sum(a2), sum(an) from table where fecha between Xfecha and Xfecha2.
Xfecha = '31-JUL-10' in 1º SELECT
Xfecha := '01-AUG-10' in 2º select
Xfecha2 := '31-AUG-10'
The 1º select command must add the same rows than 2º select.
Any idea?
Thanks in advanced and regards everybody.
Edited by: selezeus on Aug 15, 2010 8:33 PM

Selezeus,
Make sure there is no entries after the date 31-Aug-2010 is made. And also try using the TRUNC function in the select queries.
Select sum(a1), sum(a2), sum(an) from table where trunc(fecha) > Xfecha;
Select sum(a1), sum(a2), sum(an) from table where trunc(fecha) between Xfecha and Xfecha2;Regards,
Manu.
If my response or the response of another was helpful or Correct, please mark it accordingly

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Dear Experts, I am new to PL/SQL and need your expert advice and help on below query,
SELECT * FROM SCHEMA.TABLE
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I want to automate above query which will select yesterday data from mentioned starttime (07:00:01) to endtime (14:59:59).
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BR,

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I am using below duration in between to get a complete day duration data (of yesterday),
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No data query runs longer time

I have a table with 50 million records, partitioned based on date.
if i do the query select * from test where trade_date = '01-mar-2010' brings
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but if there is no data for any given date in the table, the query takes more than 1 to 2 minute to completed.
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comments are appreciated..
note:
i use 11g.
statistics are collected.

hello,
the trade_date range partitioned..and every day the table will have data exception weekends and holidays..
PARTITION BY RANGE (transaction_DT)
PARTITION P001 VALUES LESS THAN (TO_DATE(' 2002-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')),
PARTITION P002 VALUES LESS THAN (TO_DATE(' 2003-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')),
PARTITION P003 VALUES LESS THAN (TO_DATE(' 2004-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')),
PARTITION P004 VALUES LESS THAN (TO_DATE(' 2005-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')),
PARTITION P005 VALUES LESS THAN (TO_DATE(' 2006-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')),
PARTITION P006 VALUES LESS THAN (TO_DATE(' 2007-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')),
PARTITION P007 VALUES LESS THAN (TO_DATE(' 2008-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')),
PARTITION P008 VALUES LESS THAN (TO_DATE(' 2009-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')),
PARTITION P009 VALUES LESS THAN (TO_DATE(' 2010-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')),
PARTITION P010 VALUES LESS THAN (TO_DATE(' 2011-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')),
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PARTITION P022 VALUES LESS THAN (TO_DATE(' 2023-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')),
PARTITION P023 VALUES LESS THAN (TO_DATE(' 2024-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')),
PARTITION P024 VALUES LESS THAN (TO_DATE(' 2025-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')),
PARTITION P025 VALUES LESS THAN (TO_DATE(' 9999-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN'))
Edited by: user520824 on Sep 1, 2010 12:12 PM

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