SQL>
SQL> CREATE TABLE to_table
2 (col1 NUMBER);
Table created.
SQL>
SQL> CREATE OR REPLACE TRIGGER after_insert_statement
2 AFTER INSERT ON to_table
3 BEGIN
4 DBMS_OUTPUT.PUT_LINE('After Insert Statement');
5 END;
6 /
Trigger created.
SQL>
SQL> drop table to_table;
Table dropped.