Re: Difference between SYSDATE and TO_DATE

> SELECT Count(*) FROM EVENTSTREAM WHERE TYPE = 11 AND (TS BETWEEN
> TO_DATE('28-OCT-03') AND TO_DATE('29-OCT-03'));
>
> COUNT(*)
> ----------
> 447

In the above, the date does not include time. So the time is truncated. SYSDATE includes both date *and* time. So it is possible to have different results because you are passing in different values.

When you selected SYSDATE from DUAL, it only showed the time because that is how your NLS_DATE_FORMAT is set. The time is there, but the display just doesn't show it.

HTH,
Brian  

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Brian Peasland
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