IsNullOK Method

Applies To

OField

Description

This method returns TRUE if the field can accept NULL values.

Usage

oboolean IsNullOK(void) const

Remarks

NULL is a possible value for Oracle database fields. This database NULL is different from a C++ NULL. Database NULLs mean "no value set". Some fields are not allowed to contain NULLS. This routine tells you whether the indicated field is allowed to have NULL values.

Return Value

TRUE if the field can contain NULLs; FALSE otherwise.