OCI-Lob {
int erase(int offset,
int length);
}
Erases a specified portion of the internal LOB data starting at a
specified offset. If called without parameters, it
erases all LOB data.
For BLOBs, erasing means that the existing LOB value is overwritten with
zero-bytes. For CLOBs, the existing LOB value is overwritten with spaces.
Return Values
Returns the actual number of characters/bytes erased or FALSE
in case of
error.