Oracle String/Char Function - Oracle/PLSQL INITCAP Function






This Oracle tutorial explains how to use the Oracle/PLSQL INITCAP function.

INITCAP(x) converts the initial letter of each word in x to uppercase. The general format for this function is:

INITCAP(string)

Syntax

The syntax for the Oracle/PLSQL INITCAP function is:

INITCAP( string )

string will be uppercase the first character in each word and lowercase the rest.

Example


SQL> SELECT INITCAP('capitals') FROM dual;

INITCAP(
--------
Capitals

SQL>




Example 2

The following code shows how to uppercase the first letter in the name column.


CREATE TABLE EMP (EMPNO NUMBER(4) NOT NULL,
                  ENAME VARCHAR2(10),
                  JOB VARCHAR2(9),
                  SAL NUMBER(7, 2),
                  DEPTNO NUMBER(2));
-- from w  ww  .j  a v a  2s .  com
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>