The following lines contain the word 'select', 'insert', 'update' or 'delete':
SELECT NVL(x_coordinate,0) x_coordinate
FROM BOM_OPERATION_SEQUENCES
WHERE operation_sequence_id = p_op_seq_id ;
SELECT NVL(y_coordinate,0) y_coordinate
FROM BOM_OPERATION_SEQUENCES
WHERE operation_sequence_id = p_op_seq_id ;