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PROCEDURE replicate_table IS auxiliary_variable NUMBER; count_dest_table NUMBER; CURSOR read_data_to_copy IS SELECT alpha, beta, gamma FROM source_table_1; read_data_to_copy_rec read_data_to_copy%ROWTYPE; BEGIN count_dest_table := 0; FOR read_data_to_copy_rec IN read_data_to_copy LOOP BEGIN auxiliary_variable := NULL; SELECT alpha INTO auxiliary_variable FROM source_table_2 WHERE epsilon = read_data_to_copy_rec.alpha; INSERT INTO destination_table VALUES (auxiliary_variable, read_data_to_copy_rec.beta, read_data_to_copy_rec.gamma); count_dest_table := count_dest_table + 1; COMMIT; EXCEPTION WHEN OTHERS THEN ROLLBACK; END; END LOOP; END replicate_table;