Returns the left part, composed of expr2 characters, in the string returned by expr1. If expr2 does not evaluate to an integer, or if expr2 < 0, or if expr2
length(expr1), or if expr1 does not
evaluate to a string, an error is returned.
| left |
(function)
|
Summary:
Extraction of the left part of a string.
Syntax:
left(expr1,
expr2)
Description:
Returns the left part, composed of expr2 characters,
in the string returned by expr1. If expr2
does not evaluate to an integer, or if expr2 <
0, or if expr2
length(expr1), or if expr1 does not
evaluate to a string, an error is returned.
Example:
variable: sexCode type: string definition: sexCode = left(socialSecurityCode, 1)See also:
right, substring, length