IsNull (OraLOB/BFILE) Property
Applies To
OraBLOB, OraCLOB
OraBFILE
Description
Returns TRUE if the LOB/BFILE refers to a NULL value in the database;
otherwise returns FALSE. This property is read-only.
Usage
IsNull = OraBfile.IsNull
IsNull = OraBlob.IsNull
IsNull = OraClob.IsNull
Remarks
Some LOB/Bfile properties and methods are not valid when a LOB/BFile is NULL.
This property makes it possible to check for NULL and avoid these errors.
Data Type
Boolean