SQL>
SQL> CREATE TABLE MyTable (
2 num_col NUMBER,
3 char_col VARCHAR2(60)
4 );
Table created.
SQL>
SQL>
SQL> CREATE OR REPLACE TRIGGER LogUserAConnects
2 AFTER LOGON ON SCHEMA
3 BEGIN
4 INSERT INTO MyTable
5 VALUES (1, 'LogUserAConnects fired!');
6 END LogUserAConnects;
7 /
Trigger created.
SQL>
SQL> drop table MyTable;
Table dropped.
SQL>