(no version information, might be only in CVS)
OCI-Lob->erase -- Erases a specified portion of the internal LOB data
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.