what is the difference between to_char and to_date
functions?
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Answer Posted / kushal
to_char is used to convert dates into a character
representation, for example, if you want your query to
format the date differently:
i.e.
SELECT TO_CHAR(SYSDATE, 'DD/MM/YYYY HH24:MI:SS') FROM
dual; --> 09/06/2004 12:57:54
SELECT TO_CHAR(SYSDATE, 'Day ddth Month') FROM
dual; --> Wednesday 09th June
The to_date function is used when you have character input,
but need it as a date object (for example when the database
column is a Date, you need to insert a date)
i.e.
SELECT TO_DATE('01/01/2004', 'DD/MM/YYYY') FROM dual
SELECT TO_DATE('01/01/2004 13:13:13', 'DD/MM/YYYY
HH24:MI:SS') FROM dual
@madhu:-sysdate bydefault gives the date in
dateformat,which is prerequisite of the to_char.
For other dates we have to convert first in date format and
then operate to_char accordingly to change the format as
needed for the date.
| Is This Answer Correct ? | 31 Yes | 4 No |
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