READ v13
The READ
procedure provides the capability to read a portion of a large object into a buffer.
Parameters
lob_loc
Large object locator of the large object to be read.
amount IN
Number of bytes/characters to read.
amount OUT
Number of bytes/characters actually read. If there is no more data to be read, then amount
returns 0 and a DATA_NOT_FOUND
exception is thrown.
offset
Position to begin reading. The first byte/character is position 1.
buffer
Variable to receive the large object. If lob_loc
is a BLOB
, then buffer
must be RAW
. If lob_loc
is a CLOB
, then buffer
must be VARCHAR2
.