Dates are a pain, since every DBMS seems to handle
them slightly differently. But for oracle, I generally like
to use TO_DATE to insert dates into an Oracle table in the
format you mentioned (ISO format) along with TO_CHAR.
To insert a date, I would wrap it in TO_DATE, ie:
INSERT into MYTABLE (MYBIRTHDAY) VALUES
(TO_DATE('1977-07-09 00:00:00', 'YYYY-MM-DD HH24:MI:SS'))
But then conversely, I like to just use TO_CHAR when
querying a date, since it comes back in alpha-numberic
order that way and I can simply do something like this:
select * from MYTABLE WHERE
TO_CHAR(MYBIRTHDAY,'YYYY-MM-DD') = '1977-07-09'
Also, note that you can use the TO_CHAR function to wrap
the date field in the section of the SQL which specifies
the fields to select. ( where I have '*', you could have
TO_CHAR(MYBIRTHDAY, 'YYYY-MM-DD'), OTHERFIELD1, OTHERFIELD2 )
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