Snippet Name: Audit User Logins (User Login Trigger)
Description: Audit user logins and enable SQL tracing for selected users.
Audit User Logins and start traces for selected users (User Login Trigger)
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Comment: (none)
Language: PL/SQL
Highlight Mode: PLSQL
Last Modified: March 02nd, 2009
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CONNECT / AS SYSDBA
DROP TABLE user_login_audit;
CREATE TABLE user_login_audit (
login_time DATE,
username VARCHAR2(30),
machine VARCHAR2(30),
command VARCHAR2(128)
);
CREATE OR REPLACE TRIGGER user_login_trig
AFTER LOGON ON scott.SCHEMA
DECLARE
v_username sys.v_$session.username%TYPE;
v_machine sys.v_$session.machine%TYPE;
v_command sys.v_$session.command%TYPE;
BEGIN
SELECT username, machine, command
INTO v_username, v_machine, v_command
FROM sys.v_$session
WHERE audsid = USERENV('SESSIONID')
AND audsid != 0 -- Don't Check SYS Connections
AND ROWNUM = 1; -- Parallel processes will have the same AUDSID's
INSERT INTO sys.user_login_audit
VALUES (SYSDATE, v_username, v_machine, v_command);
IF UPPER(v_machine) LIKE '%PC1%' THEN -- Start SQL trace for users from PC1
DBMS_SESSION.set_sql_trace(TRUE);
END IF;
END;
/
SHOW ERRORS
CONNECT SCOTT/TIGER
CONNECT / AS SYSDBA
SELECT * FROM sys.user_login_audit;
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