to_char(round(sqrt(sal),2),'9999.99')

  


SQL> CREATE TABLE EMP(
  2      EMPNO NUMBER(4) NOT NULL,
  3      ENAME VARCHAR2(10),
  4      JOB VARCHAR2(9),
  5      MGR NUMBER(4),
  6      HIREDATE DATE,
  7      SAL NUMBER(7, 2),
  8      COMM NUMBER(7, 2),
  9      DEPTNO NUMBER(2)
 10  );

Table created.

SQL>
SQL> INSERT INTO EMP VALUES(7369, 'SMITH', 'CLERK', 7902,TO_DATE('17-DEC-1980', 'DD-MON-YYYY'), 800, NULL, 20);

1 row created.

SQL> INSERT INTO EMP VALUES(7499, 'ALLEN', 'SALESMAN', 7698,TO_DATE('20-FEB-1981', 'DD-MON-YYYY'), 1600, 300, 30);

1 row created.

SQL> INSERT INTO EMP VALUES(7521, 'WARD', 'SALESMAN', 7698,TO_DATE('22-FEB-1981', 'DD-MON-YYYY'), 1250, 500, 30);

1 row created.

SQL> INSERT INTO EMP VALUES(7566, 'JONES', 'MANAGER', 7839,TO_DATE('2-APR-1981', 'DD-MON-YYYY'), 2975, NULL, 20);

1 row created.

SQL> INSERT INTO EMP VALUES(7654, 'MARTIN', 'SALESMAN', 7698,TO_DATE('28-SEP-1981', 'DD-MON-YYYY'), 1250, 1400, 30);

1 row created.

SQL> INSERT INTO EMP VALUES(7698, 'BLAKE', 'MANAGER', 7839,TO_DATE('1-MAY-1981', 'DD-MON-YYYY'), 2850, NULL, 30);

1 row created.

SQL> INSERT INTO EMP VALUES(7782, 'CLARK', 'MANAGER', 7839,TO_DATE('9-JUN-1981', 'DD-MON-YYYY'), 2450, NULL, 10);

1 row created.

SQL> INSERT INTO EMP VALUES(7788, 'SCOTT', 'ANALYST', 7566,TO_DATE('09-DEC-1982', 'DD-MON-YYYY'), 3000, NULL, 20);

1 row created.

SQL> INSERT INTO EMP VALUES(7839, 'KING', 'PRESIDENT', NULL,TO_DATE('17-NOV-1981', 'DD-MON-YYYY'), 5000, NULL, 10);

1 row created.

SQL> INSERT INTO EMP VALUES(7844, 'TURNER', 'SALESMAN', 7698,TO_DATE('8-SEP-1981', 'DD-MON-YYYY'), 1500, 0, 30);

1 row created.

SQL> INSERT INTO EMP VALUES(7876, 'ADAMS', 'CLERK', 7788,TO_DATE('12-JAN-1983', 'DD-MON-YYYY'), 1100, NULL, 20);

1 row created.

SQL> INSERT INTO EMP VALUES(7900, 'JAMES', 'CLERK', 7698,TO_DATE('3-DEC-1981', 'DD-MON-YYYY'), 950, NULL, 30);

1 row created.

SQL> INSERT INTO EMP VALUES(7902, 'FORD', 'ANALYST', 7566,TO_DATE('3-DEC-1981', 'DD-MON-YYYY'), 3000, NULL, 20);

1 row created.

SQL> INSERT INTO EMP VALUES(7934, 'MILLER', 'CLERK', 7782,TO_DATE('23-JAN-1982', 'DD-MON-YYYY'), 1300, NULL, 10);

1 row created.

SQL>
SQL>
SQL> select ename, sal, to_char(round(sqrt(sal),2),'9999.99')
  2         "Bonus" from emp;

ENAME             SAL Bonus
---------- ---------- --------
SMITH             800    28.28
ALLEN            1600    40.00
WARD             1250    35.36
JONES            2975    54.54
MARTIN           1250    35.36
BLAKE            2850    53.39
CLARK            2450    49.50
SCOTT            3000    54.77
KING             5000    70.71
TURNER           1500    38.73
ADAMS            1100    33.17

ENAME             SAL Bonus
---------- ---------- --------
JAMES             950    30.82
FORD             3000    54.77
MILLER           1300    36.06

14 rows selected.

SQL>
SQL> drop table emp;

Table dropped.

Related examples in the same category

1.	The TO_CHAR() function converts the expression into character data.
2.	Pass variable into to_char function
3.	Use to_char function to init an text value
4.	convert a negative number into one with a trailing "minus sign,"
5.	to_char(bdate,'fmMonth ddth, yyyy')
6.	to_char(sysdate, 'Day', 'nls_date_language=Dutch')
7.	to_char(sysdate,'DAY dy Dy') as day, to_char(sysdate,'MONTH mon') as month
8.	to_char(sysdate,'hh24:mi:ss') as time
9.	CONVERSION functions: Print the current date/time as a character string and modifies the format

to_char(round(sqrt(sal),2),'9999.99') : TO_CHAR « Conversion Functions « Oracle PL / SQL

Related examples in the same category