Javascript for deletion of records

hi all
i have a table on which a function acts to insert and delete records. I have to check whether the table has existing records for a particular month before deletion and if it does then a javascript popup should say that "records already exist if you continue all records will be deleted. do you wish to continue?"
how can i do that? how can i check whether records are already existing using javascript?
sam

Samd,
Why not put a computation in the Page Rendering phase which will determine whether or not any records exist. Then, you can use a simple JavaScript confirm() to determine whether or not to submit the page, and thus delete the records.
An example of this can be found here: http://apex.oracle.com/pls/otn/f?p=28534:1
The source for the JavaScript is as follows:
function deleteRows()
if (document.getElementById('P1_NUMBER_OF_ROWS').value == 0)
{doSubmit('DELETE');}
else
{alert('There are child records and this delete operation cannot proceed.');}
}There is also a computation for P1_NUMBER_OF_ROWS which will return the number of rows for a specific table/view. If it returns 0, then the process mapped to the "DELETE" button will fire; otherwise, the JavaScript will display an alert with the appropriate message.
One note - always enforce this type of logic at the data model level. Should the JavaScript fail or not fire correctly, you need to ensure that the referential integrity of your data remains in tact.
Thanks,
- Scott -

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Hello Everybody,
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Please help me on this issue.
Thanks in advance.....

Thanks for your suggestion....
I am using the trigger for populating the data in USER_RECENT_PROJECTS.This
trigger is fired when data is INSERTED or UPDATED in PROJECT table.And that trigger will call the procedure PROC_USER_RECENT_PRJ.This is used
to put data in USER_RECENT_PROJECTS table.I am getting the problem in procedure the problem is upto five records it is inserting the record when i go for insert sixth record it should delete least UPDATED_ON and insert new record.But it is deleting the record from other user that i don't want.I want to delete the record from the paarticular user.I am using this query for deleting the record..
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when i fire this query individually it is deleting the proper record,but when i use it
inside procedure it is creating the problem it is deleting the record from other user.
Please suggest me other query for deletion.
Thanks in advance.......

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Message was edited by: Srikanth Kidambi
added comments
Message was edited by: Srikanth Kidambi

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"Pixel Pusher" <[email protected]> wrote in
message
news:e8k38f$mtt$[email protected]..
> Thank you. But still not completely understanding. I
have details. Thank
> you
> again for the help.
>
> This is the form tag:
>
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872959 wrote:
how can i write a store procedure for deleting records from a table.
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