INITCAP function
INITCAP(x) converts the initial letter of each word in x to uppercase.
The general format for this function is:
INITCAP(string)
SQL> SELECT INITCAP('capitals') FROM dual;
INITCAP(
--------
Capitals
SQL>
CREATE TABLE EMP (EMPNO NUMBER(4) NOT NULL,
ENAME VARCHAR2(10),
JOB VARCHAR2(9),
SAL NUMBER(7, 2),
DEPTNO NUMBER(2));
INSERT INTO EMP VALUES (1, 'SMITH', 'CLERK', 800, 20);
INSERT INTO EMP VALUES (2, 'ALLEN', 'SALESMAN', 1600, 30);
INSERT INTO EMP VALUES (3, 'WARD', 'SALESMAN', 1250.12, 30);
INSERT INTO EMP VALUES (4, 'JONES', 'MANAGER', 2975.23, 20);
INSERT INTO EMP VALUES (5, 'MARTIN','SALESMAN', 1250.23, 30);
INSERT INTO EMP VALUES (6, 'BLAKE', 'MANAGER', 2850, 30);
INSERT INTO EMP VALUES (7, 'CLARK', 'MANAGER', NULL, 10);
INSERT INTO EMP VALUES (8, 'SCOTT', 'ANALYST', 3000, 20);
INSERT INTO EMP VALUES (9, 'KING', 'PRESIDENT',NULL, 10);
INSERT INTO EMP VALUES (10,'TURNER','SALESMAN', 1500, 30);
INSERT INTO EMP VALUES (11,'ADAMS', 'CLERK', 0.99, 20);
SQL> SELECT ename, INITCAP(ename)
2 FROM emp;
ENAME INITCAP(EN
---------- ----------
SMITH Smith
ALLEN Allen
WARD Ward
JONES Jones
MARTIN Martin
BLAKE Blake
CLARK Clark
SCOTT Scott
KING King
TURNER Turner
ADAMS Adams
11 rows selected.
SQL>