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sql - Oracle: Similar to sysdate but returning only time and only date

I understand that Oracle sysdate returns the current date AND time. That's great for timestamp or datetime columns.

Now let's say I have a DATE only column. What keywords should I use on my insert query?

insert into myTable1(myDateOnlyColumn) values(???)

And let's say I have a TIME only column. What keywords should I use on my insert query?

 insert into myTable2(myTimeOnlyColumn) values(???)

Thanks!

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To remove time from sysdate you can just write TRUNC(sysdate).

For example:

SELECT TRUNC(SYSDATE) "TODAY" FROM DUAL;

will give you:

TODAY                     
------------------------- 
'2012-10-02 00:00:00'     

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