upper() in sql code example
Example 1: upper case sql
SELECT upper('Hello World'); -- HELLO WORLD
SELECT lower('Hello World'); -- hello world
Example 2: how to upper case in sql
SELECT UPPER(FIRST_NAME) , LOWER(LAST_NAME)
FROM CUSTOMERS ;
SELECT upper('Hello World'); -- HELLO WORLD
SELECT lower('Hello World'); -- hello world
SELECT UPPER(FIRST_NAME) , LOWER(LAST_NAME)
FROM CUSTOMERS ;