ob_start();
$pimg = file_get_contents("./".$dest_path);
ob_end_flush();

                    
$oci_sql = "UPDATE 테이블명 SET USER_PICTURE=EMPTY_BLOB() , USER_PICTURE_TYPE='".$file_type."'  WHERE USER_ID='".$mb_id."' RETURNING USER_PICTURE INTO :USER_PICTURE ";
$stmt    = oci_parse($ora_conn,$oci_sql);
$mylob   = OCI_New_Descriptor($ora_conn);

OCI_Bind_By_Name($stmt,':USER_PICTURE',$mylob,-1, SQLT_BLOB);
OCI_Execute($stmt, OCI_DEFAULT ); 
    $mylob->save($pimg);
    $mylob->free(); 
OCI_Free_Statement($stmt); 
oci_commit($ora_conn);
oci_close($ora_conn);