SetEmpty Method

Applies To

OValue

Description

Sets the value to Empty.

Usage

oresult SetEmpty(void)

Arguments

none

Remarks

This method is used when updating database object or LOB columns. Any empty object is one whose attributes are all NULL. An empty LOB is a LOB of length zero. Before writing is allowed on a LOB whose value is NULL, an empty LOB must first be committed to the database. For more information, see the Blob Write method and example.