Change column data to upper case : UPPER « Character String Functions « Oracle PL/SQL Tutorial

1. Oracle PL/SQL Tutorial
2. Character String Functions
3. UPPER

SQL>
SQL> CREATE TABLE employee (
  2  id                             number,
  3  name                           varchar(100),
  4  birth_date                     date,
  5  gender                         varchar2(30) );

Table created.

SQL>
SQL>
SQL> INSERT INTO employee (id,name,birth_date,gender )VALUES (100,'a',to_date('19230823', 'YYYYMMDD'),'MALE' );

1 row created.

SQL>
SQL> select * from employee;

    ID
------
NAME
----------------------------------------------------------------------
BIRTH_DATE GENDER
---------- ------------------------------
   100
a
23-08-1923 MALE


1 row selected.

SQL>
SQL> UPDATE employee
  2  set    name = upper(name);

1 row updated.

SQL>
SQL> drop table employee;

Table dropped.