how to get only first character in sql code example

Example 1: get first 3 letters in sql

SELECT FIRST_NAME ,  SUBSTR(FIRST_NAME, 1 , 3 ) , LENGTH(FIRST_NAME)
FROM EMPLOYEES ;

Example 2: sql first character

Select First two Character in selected Field with Left(string,Number of Char in int)

SELECT LEFT(FName, 2) AS FirstName FROM dbo.NameMaster