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Oracle® Objects for OLE C++ Class Library Developer's Guide
10g Release 2 (10.2)

B14308-01
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IsNull Method

Applies To

OBlob

OClob

Description

Returns TRUE if the LOB/BFILE refers to a NULL value in the database; otherwise returns FALSE.

Usage

bool IsNull(void) const throw(OException)

Arguments

none  
Remarks

Some LOB/Bfile properties and methods return errors when a LOB/Bfile is NULL.

This method makes it possible to check for NULL and avoid these errors.