| How to check a Valid Date ? [message #45140] |
Mon, 16 February 2004 02:16  |
Nirav Parekh
Messages: 27
Registered: March 2001
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Junior Member |
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Dear Friends,
Is there any function in Oracle , which tells me whether the date is valid or not ?
Means suppose i have value of '02/23/2004 12:12:12'.
And suppse second value is '02/23/2004 77:77:12'
Now Except "To_Date", can i know whether this date is valid or not ?
Because if i Use "To_Date" then it will give me error if date is not valid in my select statement.
Pls Help me for this
Nirav Parekh
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| Re: How to check a Valid Date ? [message #45141 is a reply to message #45140] |
Mon, 16 February 2004 02:37  |
Keshav
Messages: 17
Registered: December 2003
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Junior Member |
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Yes,
you can use the error as check for the the genuine date.
e.g.
begin
select to_Date(date_string,date_format) from dual
exception
when invalid_date then
dbms_output.put_line('Enter appropriate date');
end;
/
Regards,
Keshav
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| Re: How to check a Valid Date ? [message #45146 is a reply to message #45145] |
Mon, 16 February 2004 19:48 |
Keshav
Messages: 17
Registered: December 2003
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Junior Member |
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It's not possible to store the above string into the date field becoz the hour should lie between 0-23(or 1-12). if it is a string column then it's ok but for the date column it must obey certain rules.
To force these rules, u can use exception handlers.
Regards,
Keshav
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| Re: How to check a Valid Date ? [message #45155 is a reply to message #45140] |
Tue, 17 February 2004 11:29 |
Nanduri V Rao
Messages: 13
Registered: January 2000
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Junior Member |
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Assign the date value into a date variable. If the format is not correct you will get an error, catch that exception and handle it appropriately.
This way you can avoid the sql query from failing.
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