Copies large object or a part of large object to another large object. Parameter length indicates the length of data to be copied. Old data of LOB-recipient will be overwritten.
If you need to copy a particular part of LOB to a particular position of LOB, you can use oci_lob_seek() to move internal pointers of LOBs.
성공일 경우 TRUE를, 실패일 경우 FALSE를 반환합니다.