Left: This function use when we want to
select a left part of the character string with the specified number of
characters.
Syntax:
LEFT (
character_expression , integer_expression )
character_expression: Character
expression is the expression of character or binary data, except text or ntext,
character_expression can be of any data type.
integer_expression: integer_expression is a positive integer that specifies
how many characters of the character_expression will be returned.
For example:
DECLARE @str VARCHAR(60)
SET @str='dilip Kumar Singh'
select Left(@str,5) AS LeftFiveChar
Result:
LeftFiveChar
------------
dilip