TO CHAR Function with Dates
TO_CHAR Function with Dates
TO_CHAR(date, 'fmt¡¯)
The format model:
? Must be enclosed in single quotation marks and is case sensitive
? Can include any valid date format element
? Has an fm element to remove padded blanks or suppress
leading zeros
? Is separated from the date value by a comma
Displaying a Date in a Specific Format
Previously, all Oracle date values were displayed in the DD-MON-YY
format. The TO_CHAR function allows you to convert a date from this
default fomat to one specified by you.
Guidelines
? The format model must be enclosed in single quotation marks and is case
sensit?ve;
? The format model can include any valid date format element. Be sure to
separate the date value from the format model by a comma.
? The names of days and months in the output are automatically
padded with blanks.
? To remove padded blanks or to suppress leading zeros, use the fill
mode fm element.
? Yon can resize the display width of the resulting character f?eld with the
SQL*Plus COLUMN command.
? The resultant column width is 80 characters by default.
1
Examples
SELECT empno, TO_CHAR(hiredate, 'MM/YY') "??E G?R?? TAR?H?"
FROM emp
WHERE ename = 'BLAKE' ;
EMP O
E AME
??E G?R??
7698
BLAKE
05/81
SELECT ename, empno
TO_CHAR( hiredate , 'fmMonth DD, YYYY' ) Hiredate
FROM emp
WHERE deptno = 30
E AME
EMP O
HIREDATE
ALLEN
7499 ?ubat 20, 1981
WARD
7521 ?ubat 22, 1981
MARTIN
7654 Eyl¨¹l 28, 1981
BLAKE
7698 May?s 1, 1981
TURNER
7844 Eyl¨¹l 8, 1981
JAMES
7900 Aral?k 3, 1981
6 rows selected.
SELECT ename, hiredate, TO_CHAR( hiredate , 'fmDY.Mon.YYY' )
FROM EMP;
E AME HIREDATE
TO_CHAR(HIREDATE,'FMDY.MO .YYY')
SMITH
17/12/1980
?AR.Ara.980
ALLEN
20/02/1981
CUM.?ub.981
...
14 rows selected.
2
Using TO_CHAR Function with Dates
SELECT ename, hiredate,
TO_CHAR(hiredate, 'DD Month YYYY' ) "??eGiri? Tarihi"
FROM EMP;
E AME
SMITH
HIREDATE
17/12/1980
??e Giri? Tarihi
17 Aral?k 1980
ALLEN
20/02/1981
20 ?ubat 1981
WARD
22/02/1981
22 ?ubat 1981
JONES
02/04/1981
02 Nisan 1981
MARTIN
28/09/1981
28 Eyl¨¹l 1981
BLAKE
01/05/1981
01 May?s 1981
CLARK
09/06/1981
09 Haziran 1981
SCOTT
09/12/1982
09 Aral?k 1982
KING
17/11/1981
17 Kas?m 1981
TURNER
08/09/1981
08 Eyl¨¹l 1981
ADAMS
12/01/1983
12 Ocak 1983
JAMES
03/12/1981
03 Aral?k 1981
FORD
03/12/1981
03 Aral?k 1981
MILLER
23/01/1982
23 Ocak 1982
14 rows selected.
3
Example
SELECT sysdate,
TO_CHAR ( sysdate, 'fmDD.MM.YYYY fmHH:MI:SS PM' ) Zaman
FROM dual ;
SYSDATE
18/03/2007
ZAMA
18.3.2007 06:23:02 ?S
SELECT sysdate,
TO_CHAR ( sysdate, 'fmDD.MM.YYYY fmHH:MI:SS AM' ) Zaman
FROM dual ;
SYSDATE
18/03/2007
ZAMA
18.3.2007 06:23:02 ?S
SELECT sysdate,
TO_CHAR ( sysdate, 'fmDD.MM.YYYY fmHH12:MI:SS PM' ) Zaman
FROM
dual ;
SYSDATE
18/03/2007
ZAMA
18.3.2007 06:23:02 ?S
4
SELECT sysdate,
TO_CHAR ( sysdate, 'fmDD.MM.YYYY fmHH24:MI:SS' ) Zaman
FROM dual ;
SYSDATE
18/03/2007
ZAMA
18.3.2007 18:23:02
SELECT sysdate,
TO_CHAR ( sysdate, 'fmDD.MM.YYYY fmHH24:MI:SS AM' ) Zaman
FROM dual ;
SYSDATE
18/03/2007
ZAMA
18.3.2007 18: 23:02 ?S
5
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