Correct way to do "where " clause on date type column

Hi,
I am using a following query in Oracle 10.2.0.3 express edition database to retrieve the rows greater than a certain date.
select from FLOWS_020100.WWV_FLOW_ACTIVITY_LOG1$ where TIME_STAMP > to_date('31-OCT-12');*
This query returns all the rows including the rows with TIME_STAMP == '31-OCT-12'.
This TIME_STAMP column is defined as below in this table:
COLUMN_NAME DATA_TYPE DATA_LENGTH NULLABLE CONSTRAINT_TYPE INDEX_TYPE
TIME_STAMP DATE 7 N C NORMAL
Table has 420 rows with '31-OCT-12' being the smallest date and '16-NOV-12' being the biggest.
Is there anything wrong in my above query?
Why is ">" returning the rows that include primary key where-clause value also?
Can you please guide what is the correct syntax for this date comparison?
Thanks for your time and help.
Best Regards.

907882 wrote:
Hi,
I am using a following query in Oracle 10.2.0.3 express edition database to retrieve the rows greater than a certain date.
select from FLOWS_020100.WWV_FLOW_ACTIVITY_LOG1$ where TIME_STAMP > to_date('31-OCT-12');*
This query returns all the rows including the rows with TIME_STAMP == '31-OCT-12'.
This TIME_STAMP column is defined as below in this table:
COLUMN_NAME     DATA_TYPE     DATA_LENGTH     NULLABLE     CONSTRAINT_TYPE      INDEX_TYPE
TIME_STAMP     DATE      7     N     C     NORMAL
Table has 420 rows with '31-OCT-12' being the smallest date and '16-NOV-12' being the biggest.
Is there anything wrong in my above query?
Why is ">" returning the rows that include primary key where-clause value also?
Can you please guide what is the correct syntax for this date comparison?
Thanks for your time and help.
Best Regards.Remember that a date column also contains a time part. Therefore your query would pick up
rows with a time_stamp of 31-Oct-12 13:40:09, for example. Now that is greater than 31-Oct-12
(which is really 31-Oct-12 00:00:00), so it is picked up.
You probably want >= to_date('1-Nov-2012', 'dd-mon-yyyy')
Note: always use a format mask in a to_date, otherwise if the default format mask changes, your code will break.
BTW: please mark your threads as answered, if they have been:
>
Handle:      907882
Status Level:      Newbie
Registered:      Jan 13, 2012
Total Posts:      9
Total Questions:      6 (5 unresolved)
>
Edited by: Paul Horth on Nov 27, 2012 9:30 AM

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Felix_GG wrote:
Hi specialist's,
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hi
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SELECT PPA.START_DATE,
PPA.END_DATE
FROM pa_project_assignments PPA,
PA_CONTROL_ITEMS PCI
WHERE
case when PPA.START_DATE < PCI.ATTRIBUTE1 then
PCI.ATTRIBUTE1
else
PPA.START_DATE
end BETWEEN PCI.ATTRIBUTE1 AND PCI.DATE_REQUIRED
AND PPA.END_DATE BETWEEN PCI.ATTRIBUTE1 AND PCI.DATE_REQUIRED
AND PPA.PROJECT_ID=PCI.PROJECT_IDCheers!!!
Bhushan

Use of WHERE clause to get 2 columns from dynamically generated html page.

I am using postgresql.I have to complete a java program , which is a forum like thing.User can login and submit question.....if anybody know the answer he can post the answer........Now the problem is that if more than one questions are entered it all should be displayed when we click on a "faq" button.........i created that one......these questions have the hyperlink.........When we click on a single question a text box will come........we have to write the answer there and answer should lie on the column corresponding the question clicked..............
Here i need the querry to write in servlet so that the answer is stored in the corresponding column only.................
Pleaseeeeeeeeeeeee help me as soon as possible..................
Regards
Shine..

Sir,
Other than you are using postgres and a servlet I have absolutley no idea what you are on about.
Please try explaining in a less distressing manner.
Sincerely,
Slappy

Correct way to do "where " clause on date type column

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